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5563 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2009 Marek Olšák |
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4 | * |
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5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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6 | * copy of this software and associated documentation files (the |
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7 | * "Software"), to deal in the Software without restriction, including |
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8 | * without limitation the rights to use, copy, modify, merge, publish, |
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9 | * distribute, sub license, and/or sell copies of the Software, and to |
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10 | * permit persons to whom the Software is furnished to do so, subject to |
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11 | * the following conditions: |
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12 | * |
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13 | * The above copyright notice and this permission notice (including the |
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14 | * next paragraph) shall be included in all copies or substantial portions |
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15 | * of the Software. |
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16 | * |
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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20 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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21 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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22 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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23 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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24 | * |
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25 | **************************************************************************/ |
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26 | |||
27 | /** |
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28 | * @file |
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29 | * Blitter utility to facilitate acceleration of the clear, clear_render_target, |
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30 | * clear_depth_stencil, resource_copy_region, and blit functions. |
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31 | * |
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32 | * @author Marek Olšák |
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33 | */ |
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34 | |||
35 | #include "pipe/p_context.h" |
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36 | #include "pipe/p_defines.h" |
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37 | #include "util/u_inlines.h" |
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38 | #include "pipe/p_shader_tokens.h" |
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39 | #include "pipe/p_state.h" |
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40 | |||
41 | #include "util/u_format.h" |
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42 | #include "util/u_memory.h" |
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43 | #include "util/u_math.h" |
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44 | #include "util/u_blitter.h" |
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45 | #include "util/u_draw_quad.h" |
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46 | #include "util/u_sampler.h" |
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47 | #include "util/u_simple_shaders.h" |
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48 | #include "util/u_surface.h" |
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49 | #include "util/u_texture.h" |
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50 | #include "util/u_upload_mgr.h" |
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51 | |||
52 | #define INVALID_PTR ((void*)~0) |
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53 | |||
54 | struct blitter_context_priv |
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55 | { |
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56 | struct blitter_context base; |
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57 | |||
58 | struct u_upload_mgr *upload; |
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59 | |||
60 | float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ |
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61 | |||
62 | /* Templates for various state objects. */ |
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63 | |||
64 | /* Constant state objects. */ |
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65 | /* Vertex shaders. */ |
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66 | void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/ |
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67 | void *vs_pos_only; /**< Vertex shader which passes pos to the output.*/ |
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68 | |||
69 | /* Fragment shaders. */ |
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70 | void *fs_empty; |
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71 | void *fs_write_one_cbuf; |
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72 | void *fs_write_all_cbufs; |
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73 | |||
74 | /* FS which outputs a color from a texture, |
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75 | where the index is PIPE_TEXTURE_* to be sampled. */ |
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76 | void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES]; |
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77 | |||
78 | /* FS which outputs a depth from a texture, |
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79 | where the index is PIPE_TEXTURE_* to be sampled. */ |
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80 | void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; |
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81 | void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES]; |
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82 | void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES]; |
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83 | |||
84 | /* FS which outputs one sample from a multisample texture. */ |
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85 | void *fs_texfetch_col_msaa[PIPE_MAX_TEXTURE_TYPES]; |
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86 | void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES]; |
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87 | void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES]; |
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88 | void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES]; |
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89 | |||
90 | /* Blend state. */ |
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91 | void *blend[PIPE_MASK_RGBA+1]; /**< blend state with writemask */ |
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92 | |||
93 | /* Depth stencil alpha state. */ |
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94 | void *dsa_write_depth_stencil; |
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95 | void *dsa_write_depth_keep_stencil; |
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96 | void *dsa_keep_depth_stencil; |
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97 | void *dsa_keep_depth_write_stencil; |
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98 | |||
99 | /* Vertex elements states. */ |
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100 | void *velem_state; |
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101 | void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */ |
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102 | |||
103 | /* Sampler state. */ |
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104 | void *sampler_state; |
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105 | void *sampler_state_linear; |
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106 | void *sampler_state_rect; |
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107 | void *sampler_state_rect_linear; |
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108 | |||
109 | /* Rasterizer state. */ |
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110 | void *rs_state, *rs_state_scissor, *rs_discard_state; |
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111 | |||
112 | /* Viewport state. */ |
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113 | struct pipe_viewport_state viewport; |
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114 | |||
115 | /* Destination surface dimensions. */ |
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116 | unsigned dst_width; |
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117 | unsigned dst_height; |
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118 | |||
119 | boolean has_geometry_shader; |
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120 | boolean has_stream_out; |
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121 | boolean has_stencil_export; |
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122 | boolean has_texture_multisample; |
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123 | |||
124 | /* The Draw module overrides these functions. |
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125 | * Always create the blitter before Draw. */ |
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126 | void (*bind_fs_state)(struct pipe_context *, void *); |
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127 | void (*delete_fs_state)(struct pipe_context *, void *); |
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128 | }; |
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129 | |||
130 | static struct pipe_surface * |
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131 | util_blitter_get_next_surface_layer(struct pipe_context *pipe, |
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132 | struct pipe_surface *surf); |
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133 | |||
134 | struct blitter_context *util_blitter_create(struct pipe_context *pipe) |
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135 | { |
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136 | struct blitter_context_priv *ctx; |
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137 | struct pipe_blend_state blend; |
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138 | struct pipe_depth_stencil_alpha_state dsa; |
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139 | struct pipe_rasterizer_state rs_state; |
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140 | struct pipe_sampler_state sampler_state; |
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141 | struct pipe_vertex_element velem[2]; |
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142 | unsigned i; |
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143 | |||
144 | ctx = CALLOC_STRUCT(blitter_context_priv); |
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145 | if (!ctx) |
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146 | return NULL; |
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147 | |||
148 | ctx->base.pipe = pipe; |
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149 | ctx->base.draw_rectangle = util_blitter_draw_rectangle; |
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150 | ctx->base.get_next_surface_layer = util_blitter_get_next_surface_layer; |
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151 | |||
152 | ctx->bind_fs_state = pipe->bind_fs_state; |
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153 | ctx->delete_fs_state = pipe->delete_fs_state; |
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154 | |||
155 | /* init state objects for them to be considered invalid */ |
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156 | ctx->base.saved_blend_state = INVALID_PTR; |
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157 | ctx->base.saved_dsa_state = INVALID_PTR; |
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158 | ctx->base.saved_rs_state = INVALID_PTR; |
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159 | ctx->base.saved_fs = INVALID_PTR; |
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160 | ctx->base.saved_vs = INVALID_PTR; |
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161 | ctx->base.saved_gs = INVALID_PTR; |
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162 | ctx->base.saved_velem_state = INVALID_PTR; |
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163 | ctx->base.saved_fb_state.nr_cbufs = ~0; |
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164 | ctx->base.saved_num_sampler_views = ~0; |
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165 | ctx->base.saved_num_sampler_states = ~0; |
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166 | ctx->base.saved_num_so_targets = ~0; |
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167 | |||
168 | ctx->has_geometry_shader = |
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169 | pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, |
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170 | PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; |
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171 | ctx->has_stream_out = |
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172 | pipe->screen->get_param(pipe->screen, |
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173 | PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0; |
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174 | |||
175 | ctx->has_stencil_export = |
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176 | pipe->screen->get_param(pipe->screen, |
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177 | PIPE_CAP_SHADER_STENCIL_EXPORT); |
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178 | |||
179 | ctx->has_texture_multisample = |
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180 | pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE); |
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181 | |||
182 | /* blend state objects */ |
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183 | memset(&blend, 0, sizeof(blend)); |
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184 | |||
185 | for (i = 0; i <= PIPE_MASK_RGBA; i++) { |
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186 | blend.rt[0].colormask = i; |
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187 | ctx->blend[i] = pipe->create_blend_state(pipe, &blend); |
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188 | } |
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189 | |||
190 | /* depth stencil alpha state objects */ |
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191 | memset(&dsa, 0, sizeof(dsa)); |
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192 | ctx->dsa_keep_depth_stencil = |
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193 | pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
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194 | |||
195 | dsa.depth.enabled = 1; |
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196 | dsa.depth.writemask = 1; |
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197 | dsa.depth.func = PIPE_FUNC_ALWAYS; |
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198 | ctx->dsa_write_depth_keep_stencil = |
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199 | pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
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200 | |||
201 | dsa.stencil[0].enabled = 1; |
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202 | dsa.stencil[0].func = PIPE_FUNC_ALWAYS; |
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203 | dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; |
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204 | dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; |
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205 | dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; |
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206 | dsa.stencil[0].valuemask = 0xff; |
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207 | dsa.stencil[0].writemask = 0xff; |
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208 | ctx->dsa_write_depth_stencil = |
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209 | pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
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210 | |||
211 | dsa.depth.enabled = 0; |
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212 | dsa.depth.writemask = 0; |
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213 | ctx->dsa_keep_depth_write_stencil = |
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214 | pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
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215 | |||
216 | /* sampler state */ |
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217 | memset(&sampler_state, 0, sizeof(sampler_state)); |
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218 | sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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219 | sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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220 | sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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221 | sampler_state.normalized_coords = 1; |
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222 | ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); |
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223 | sampler_state.normalized_coords = 0; |
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224 | ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state); |
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225 | |||
226 | sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR; |
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227 | sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR; |
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228 | sampler_state.normalized_coords = 1; |
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229 | ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state); |
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230 | sampler_state.normalized_coords = 0; |
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231 | ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state); |
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232 | |||
233 | /* rasterizer state */ |
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234 | memset(&rs_state, 0, sizeof(rs_state)); |
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235 | rs_state.cull_face = PIPE_FACE_NONE; |
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236 | rs_state.half_pixel_center = 1; |
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237 | rs_state.bottom_edge_rule = 1; |
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238 | rs_state.flatshade = 1; |
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239 | rs_state.depth_clip = 1; |
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240 | ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); |
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241 | |||
242 | rs_state.scissor = 1; |
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243 | ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state); |
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244 | |||
245 | if (ctx->has_stream_out) { |
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246 | rs_state.scissor = 0; |
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247 | rs_state.rasterizer_discard = 1; |
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248 | ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); |
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249 | } |
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250 | |||
251 | ctx->base.vb_slot = 0; /* 0 for now */ |
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252 | |||
253 | /* vertex elements states */ |
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254 | memset(&velem[0], 0, sizeof(velem[0]) * 2); |
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255 | for (i = 0; i < 2; i++) { |
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256 | velem[i].src_offset = i * 4 * sizeof(float); |
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257 | velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
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258 | velem[i].vertex_buffer_index = ctx->base.vb_slot; |
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259 | } |
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260 | ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); |
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261 | |||
262 | if (ctx->has_stream_out) { |
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263 | static enum pipe_format formats[4] = { |
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264 | PIPE_FORMAT_R32_UINT, |
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265 | PIPE_FORMAT_R32G32_UINT, |
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266 | PIPE_FORMAT_R32G32B32_UINT, |
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267 | PIPE_FORMAT_R32G32B32A32_UINT |
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268 | }; |
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269 | |||
270 | for (i = 0; i < 4; i++) { |
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271 | velem[0].src_format = formats[i]; |
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272 | velem[0].vertex_buffer_index = ctx->base.vb_slot; |
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273 | ctx->velem_state_readbuf[i] = |
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274 | pipe->create_vertex_elements_state(pipe, 1, &velem[0]); |
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275 | } |
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276 | } |
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277 | |||
278 | /* Fragment shaders are created on-demand, except these. |
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279 | * The interpolation must be constant for integer texture clearing to work. |
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280 | */ |
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281 | ctx->fs_empty = util_make_empty_fragment_shader(pipe); |
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282 | ctx->fs_write_one_cbuf = |
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283 | util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, |
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284 | TGSI_INTERPOLATE_CONSTANT, FALSE); |
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285 | ctx->fs_write_all_cbufs = |
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286 | util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, |
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287 | TGSI_INTERPOLATE_CONSTANT, TRUE); |
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288 | |||
289 | /* vertex shaders */ |
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290 | { |
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291 | const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, |
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292 | TGSI_SEMANTIC_GENERIC }; |
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293 | const uint semantic_indices[] = { 0, 0 }; |
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294 | ctx->vs = |
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295 | util_make_vertex_passthrough_shader(pipe, 2, semantic_names, |
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296 | semantic_indices); |
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297 | } |
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298 | if (ctx->has_stream_out) { |
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299 | struct pipe_stream_output_info so; |
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300 | const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; |
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301 | const uint semantic_indices[] = { 0 }; |
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302 | |||
303 | memset(&so, 0, sizeof(so)); |
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304 | so.num_outputs = 1; |
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305 | so.output[0].num_components = 1; |
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306 | so.stride[0] = 1; |
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307 | |||
308 | ctx->vs_pos_only = |
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309 | util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, |
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310 | semantic_indices, &so); |
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311 | } |
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312 | |||
313 | /* set invariant vertex coordinates */ |
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314 | for (i = 0; i < 4; i++) |
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315 | ctx->vertices[i][0][3] = 1; /*v.w*/ |
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316 | |||
317 | ctx->upload = u_upload_create(pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER); |
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318 | |||
319 | return &ctx->base; |
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320 | } |
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321 | |||
322 | void util_blitter_destroy(struct blitter_context *blitter) |
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323 | { |
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324 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
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325 | struct pipe_context *pipe = blitter->pipe; |
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326 | int i; |
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327 | |||
328 | for (i = 0; i <= PIPE_MASK_RGBA; i++) { |
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329 | pipe->delete_blend_state(pipe, ctx->blend[i]); |
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330 | } |
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331 | pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
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332 | pipe->delete_depth_stencil_alpha_state(pipe, |
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333 | ctx->dsa_write_depth_keep_stencil); |
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334 | pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
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335 | pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
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336 | |||
337 | pipe->delete_rasterizer_state(pipe, ctx->rs_state); |
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338 | pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor); |
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339 | if (ctx->rs_discard_state) |
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340 | pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state); |
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341 | pipe->delete_vs_state(pipe, ctx->vs); |
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342 | if (ctx->vs_pos_only) |
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343 | pipe->delete_vs_state(pipe, ctx->vs_pos_only); |
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344 | pipe->delete_vertex_elements_state(pipe, ctx->velem_state); |
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345 | for (i = 0; i < 4; i++) { |
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346 | if (ctx->velem_state_readbuf[i]) { |
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347 | pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]); |
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348 | } |
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349 | } |
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350 | |||
351 | for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { |
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352 | if (ctx->fs_texfetch_col[i]) |
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353 | ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); |
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354 | if (ctx->fs_texfetch_depth[i]) |
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355 | ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); |
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356 | if (ctx->fs_texfetch_depthstencil[i]) |
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357 | ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]); |
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358 | if (ctx->fs_texfetch_stencil[i]) |
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359 | ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]); |
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360 | } |
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361 | ctx->delete_fs_state(pipe, ctx->fs_empty); |
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362 | ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); |
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363 | ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs); |
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364 | |||
365 | pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear); |
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366 | pipe->delete_sampler_state(pipe, ctx->sampler_state_rect); |
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367 | pipe->delete_sampler_state(pipe, ctx->sampler_state_linear); |
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368 | pipe->delete_sampler_state(pipe, ctx->sampler_state); |
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369 | u_upload_destroy(ctx->upload); |
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370 | FREE(ctx); |
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371 | } |
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372 | |||
373 | void util_blitter_set_texture_multisample(struct blitter_context *blitter, |
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374 | boolean supported) |
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375 | { |
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376 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
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377 | |||
378 | ctx->has_texture_multisample = supported; |
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379 | } |
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380 | |||
381 | static void blitter_set_running_flag(struct blitter_context_priv *ctx) |
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382 | { |
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383 | if (ctx->base.running) { |
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384 | _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", |
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385 | __LINE__); |
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386 | } |
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387 | ctx->base.running = TRUE; |
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388 | } |
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389 | |||
390 | static void blitter_unset_running_flag(struct blitter_context_priv *ctx) |
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391 | { |
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392 | if (!ctx->base.running) { |
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393 | _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", |
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394 | __LINE__); |
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395 | } |
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396 | ctx->base.running = FALSE; |
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397 | } |
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398 | |||
399 | static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx) |
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400 | { |
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401 | assert(ctx->base.saved_velem_state != INVALID_PTR); |
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402 | assert(ctx->base.saved_vs != INVALID_PTR); |
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403 | assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR); |
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404 | assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0); |
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405 | assert(ctx->base.saved_rs_state != INVALID_PTR); |
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406 | } |
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407 | |||
408 | static void blitter_restore_vertex_states(struct blitter_context_priv *ctx) |
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409 | { |
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410 | struct pipe_context *pipe = ctx->base.pipe; |
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411 | unsigned i; |
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412 | |||
413 | /* Vertex buffer. */ |
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414 | pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, |
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415 | &ctx->base.saved_vertex_buffer); |
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416 | pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL); |
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417 | |||
418 | /* Vertex elements. */ |
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419 | pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); |
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420 | ctx->base.saved_velem_state = INVALID_PTR; |
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421 | |||
422 | /* Vertex shader. */ |
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423 | pipe->bind_vs_state(pipe, ctx->base.saved_vs); |
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424 | ctx->base.saved_vs = INVALID_PTR; |
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425 | |||
426 | /* Geometry shader. */ |
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427 | if (ctx->has_geometry_shader) { |
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428 | pipe->bind_gs_state(pipe, ctx->base.saved_gs); |
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429 | ctx->base.saved_gs = INVALID_PTR; |
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430 | } |
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431 | |||
432 | /* Stream outputs. */ |
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433 | if (ctx->has_stream_out) { |
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434 | pipe->set_stream_output_targets(pipe, |
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435 | ctx->base.saved_num_so_targets, |
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436 | ctx->base.saved_so_targets, ~0); |
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437 | |||
438 | for (i = 0; i < ctx->base.saved_num_so_targets; i++) |
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439 | pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL); |
||
440 | |||
441 | ctx->base.saved_num_so_targets = ~0; |
||
442 | } |
||
443 | |||
444 | /* Rasterizer. */ |
||
445 | pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); |
||
446 | ctx->base.saved_rs_state = INVALID_PTR; |
||
447 | } |
||
448 | |||
449 | static void blitter_check_saved_fragment_states(struct blitter_context_priv *ctx) |
||
450 | { |
||
451 | assert(ctx->base.saved_fs != INVALID_PTR); |
||
452 | assert(ctx->base.saved_dsa_state != INVALID_PTR); |
||
453 | assert(ctx->base.saved_blend_state != INVALID_PTR); |
||
454 | } |
||
455 | |||
456 | static void blitter_restore_fragment_states(struct blitter_context_priv *ctx) |
||
457 | { |
||
458 | struct pipe_context *pipe = ctx->base.pipe; |
||
459 | |||
460 | /* Fragment shader. */ |
||
461 | ctx->bind_fs_state(pipe, ctx->base.saved_fs); |
||
462 | ctx->base.saved_fs = INVALID_PTR; |
||
463 | |||
464 | /* Depth, stencil, alpha. */ |
||
465 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); |
||
466 | ctx->base.saved_dsa_state = INVALID_PTR; |
||
467 | |||
468 | /* Blend state. */ |
||
469 | pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); |
||
470 | ctx->base.saved_blend_state = INVALID_PTR; |
||
471 | |||
472 | /* Sample mask. */ |
||
473 | if (ctx->base.is_sample_mask_saved) { |
||
474 | pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask); |
||
475 | ctx->base.is_sample_mask_saved = FALSE; |
||
476 | } |
||
477 | |||
478 | /* Miscellaneous states. */ |
||
479 | /* XXX check whether these are saved and whether they need to be restored |
||
480 | * (depending on the operation) */ |
||
481 | pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); |
||
482 | pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport); |
||
483 | } |
||
484 | |||
485 | static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx) |
||
486 | { |
||
487 | assert(ctx->base.saved_fb_state.nr_cbufs != ~0); |
||
488 | } |
||
489 | |||
490 | static void blitter_disable_render_cond(struct blitter_context_priv *ctx) |
||
491 | { |
||
492 | struct pipe_context *pipe = ctx->base.pipe; |
||
493 | |||
494 | if (ctx->base.saved_render_cond_query) { |
||
495 | pipe->render_condition(pipe, NULL, FALSE, 0); |
||
496 | } |
||
497 | } |
||
498 | |||
499 | static void blitter_restore_render_cond(struct blitter_context_priv *ctx) |
||
500 | { |
||
501 | struct pipe_context *pipe = ctx->base.pipe; |
||
502 | |||
503 | if (ctx->base.saved_render_cond_query) { |
||
504 | pipe->render_condition(pipe, ctx->base.saved_render_cond_query, |
||
505 | ctx->base.saved_render_cond_cond, |
||
506 | ctx->base.saved_render_cond_mode); |
||
507 | ctx->base.saved_render_cond_query = NULL; |
||
508 | } |
||
509 | } |
||
510 | |||
511 | static void blitter_restore_fb_state(struct blitter_context_priv *ctx) |
||
512 | { |
||
513 | struct pipe_context *pipe = ctx->base.pipe; |
||
514 | |||
515 | pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); |
||
516 | util_unreference_framebuffer_state(&ctx->base.saved_fb_state); |
||
517 | } |
||
518 | |||
519 | static void blitter_check_saved_textures(struct blitter_context_priv *ctx) |
||
520 | { |
||
521 | assert(ctx->base.saved_num_sampler_states != ~0); |
||
522 | assert(ctx->base.saved_num_sampler_views != ~0); |
||
523 | } |
||
524 | |||
525 | static void blitter_restore_textures(struct blitter_context_priv *ctx) |
||
526 | { |
||
527 | struct pipe_context *pipe = ctx->base.pipe; |
||
528 | unsigned i; |
||
529 | |||
530 | /* Fragment sampler states. */ |
||
531 | pipe->bind_fragment_sampler_states(pipe, |
||
532 | ctx->base.saved_num_sampler_states, |
||
533 | ctx->base.saved_sampler_states); |
||
534 | ctx->base.saved_num_sampler_states = ~0; |
||
535 | |||
536 | /* Fragment sampler views. */ |
||
537 | pipe->set_fragment_sampler_views(pipe, |
||
538 | ctx->base.saved_num_sampler_views, |
||
539 | ctx->base.saved_sampler_views); |
||
540 | |||
541 | for (i = 0; i < ctx->base.saved_num_sampler_views; i++) |
||
542 | pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); |
||
543 | |||
544 | ctx->base.saved_num_sampler_views = ~0; |
||
545 | } |
||
546 | |||
547 | static void blitter_set_rectangle(struct blitter_context_priv *ctx, |
||
548 | int x1, int y1, int x2, int y2, |
||
549 | float depth) |
||
550 | { |
||
551 | int i; |
||
552 | |||
553 | /* set vertex positions */ |
||
554 | ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ |
||
555 | ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ |
||
556 | |||
557 | ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ |
||
558 | ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ |
||
559 | |||
560 | ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ |
||
561 | ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ |
||
562 | |||
563 | ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ |
||
564 | ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ |
||
565 | |||
566 | for (i = 0; i < 4; i++) |
||
567 | ctx->vertices[i][0][2] = depth; /*z*/ |
||
568 | |||
569 | /* viewport */ |
||
570 | ctx->viewport.scale[0] = 0.5f * ctx->dst_width; |
||
571 | ctx->viewport.scale[1] = 0.5f * ctx->dst_height; |
||
572 | ctx->viewport.scale[2] = 1.0f; |
||
573 | ctx->viewport.scale[3] = 1.0f; |
||
574 | ctx->viewport.translate[0] = 0.5f * ctx->dst_width; |
||
575 | ctx->viewport.translate[1] = 0.5f * ctx->dst_height; |
||
576 | ctx->viewport.translate[2] = 0.0f; |
||
577 | ctx->viewport.translate[3] = 0.0f; |
||
578 | ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &ctx->viewport); |
||
579 | } |
||
580 | |||
581 | static void blitter_set_clear_color(struct blitter_context_priv *ctx, |
||
582 | const union pipe_color_union *color) |
||
583 | { |
||
584 | int i; |
||
585 | |||
586 | if (color) { |
||
587 | for (i = 0; i < 4; i++) { |
||
588 | uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1]; |
||
589 | uiverts[0] = color->ui[0]; |
||
590 | uiverts[1] = color->ui[1]; |
||
591 | uiverts[2] = color->ui[2]; |
||
592 | uiverts[3] = color->ui[3]; |
||
593 | } |
||
594 | } else { |
||
595 | for (i = 0; i < 4; i++) { |
||
596 | ctx->vertices[i][1][0] = 0; |
||
597 | ctx->vertices[i][1][1] = 0; |
||
598 | ctx->vertices[i][1][2] = 0; |
||
599 | ctx->vertices[i][1][3] = 0; |
||
600 | } |
||
601 | } |
||
602 | } |
||
603 | |||
604 | static void get_texcoords(struct pipe_sampler_view *src, |
||
605 | unsigned src_width0, unsigned src_height0, |
||
606 | int x1, int y1, int x2, int y2, |
||
607 | float out[4]) |
||
608 | { |
||
609 | struct pipe_resource *tex = src->texture; |
||
610 | unsigned level = src->u.tex.first_level; |
||
611 | boolean normalized = tex->target != PIPE_TEXTURE_RECT && |
||
612 | tex->nr_samples <= 1; |
||
613 | |||
614 | if (normalized) { |
||
615 | out[0] = x1 / (float)u_minify(src_width0, level); |
||
616 | out[1] = y1 / (float)u_minify(src_height0, level); |
||
617 | out[2] = x2 / (float)u_minify(src_width0, level); |
||
618 | out[3] = y2 / (float)u_minify(src_height0, level); |
||
619 | } else { |
||
620 | out[0] = (float) x1; |
||
621 | out[1] = (float) y1; |
||
622 | out[2] = (float) x2; |
||
623 | out[3] = (float) y2; |
||
624 | } |
||
625 | } |
||
626 | |||
627 | static void set_texcoords_in_vertices(const float coord[4], |
||
628 | float *out, unsigned stride) |
||
629 | { |
||
630 | out[0] = coord[0]; /*t0.s*/ |
||
631 | out[1] = coord[1]; /*t0.t*/ |
||
632 | out += stride; |
||
633 | out[0] = coord[2]; /*t1.s*/ |
||
634 | out[1] = coord[1]; /*t1.t*/ |
||
635 | out += stride; |
||
636 | out[0] = coord[2]; /*t2.s*/ |
||
637 | out[1] = coord[3]; /*t2.t*/ |
||
638 | out += stride; |
||
639 | out[0] = coord[0]; /*t3.s*/ |
||
640 | out[1] = coord[3]; /*t3.t*/ |
||
641 | } |
||
642 | |||
643 | static void blitter_set_texcoords(struct blitter_context_priv *ctx, |
||
644 | struct pipe_sampler_view *src, |
||
645 | unsigned src_width0, unsigned src_height0, |
||
646 | unsigned layer, unsigned sample, |
||
647 | int x1, int y1, int x2, int y2) |
||
648 | { |
||
649 | unsigned i; |
||
650 | float coord[4]; |
||
651 | float face_coord[4][2]; |
||
652 | |||
653 | get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord); |
||
654 | |||
655 | if (src->texture->target == PIPE_TEXTURE_CUBE || |
||
656 | src->texture->target == PIPE_TEXTURE_CUBE_ARRAY) { |
||
657 | set_texcoords_in_vertices(coord, &face_coord[0][0], 2); |
||
658 | util_map_texcoords2d_onto_cubemap(layer % 6, |
||
659 | /* pointer, stride in floats */ |
||
660 | &face_coord[0][0], 2, |
||
661 | &ctx->vertices[0][1][0], 8); |
||
662 | } else { |
||
663 | set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); |
||
664 | } |
||
665 | |||
666 | /* Set the layer. */ |
||
667 | switch (src->texture->target) { |
||
668 | case PIPE_TEXTURE_3D: |
||
669 | { |
||
670 | float r = layer / (float)u_minify(src->texture->depth0, |
||
671 | src->u.tex.first_level); |
||
672 | for (i = 0; i < 4; i++) |
||
673 | ctx->vertices[i][1][2] = r; /*r*/ |
||
674 | } |
||
675 | break; |
||
676 | |||
677 | case PIPE_TEXTURE_1D_ARRAY: |
||
678 | for (i = 0; i < 4; i++) |
||
679 | ctx->vertices[i][1][1] = (float) layer; /*t*/ |
||
680 | break; |
||
681 | |||
682 | case PIPE_TEXTURE_2D_ARRAY: |
||
683 | for (i = 0; i < 4; i++) { |
||
684 | ctx->vertices[i][1][2] = (float) layer; /*r*/ |
||
685 | ctx->vertices[i][1][3] = (float) sample; /*q*/ |
||
686 | } |
||
687 | break; |
||
688 | |||
689 | case PIPE_TEXTURE_CUBE_ARRAY: |
||
690 | for (i = 0; i < 4; i++) |
||
691 | ctx->vertices[i][1][3] = (float) (layer / 6); /*w*/ |
||
692 | break; |
||
693 | |||
694 | case PIPE_TEXTURE_2D: |
||
695 | for (i = 0; i < 4; i++) { |
||
696 | ctx->vertices[i][1][3] = (float) sample; /*r*/ |
||
697 | } |
||
698 | break; |
||
699 | |||
700 | default:; |
||
701 | } |
||
702 | } |
||
703 | |||
704 | static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, |
||
705 | unsigned width, unsigned height) |
||
706 | { |
||
707 | ctx->dst_width = width; |
||
708 | ctx->dst_height = height; |
||
709 | } |
||
710 | |||
711 | static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, |
||
712 | enum pipe_texture_target target, |
||
713 | unsigned nr_samples) |
||
714 | { |
||
715 | struct pipe_context *pipe = ctx->base.pipe; |
||
716 | |||
717 | assert(target < PIPE_MAX_TEXTURE_TYPES); |
||
718 | |||
719 | if (nr_samples > 1) { |
||
720 | void **shader = &ctx->fs_texfetch_col_msaa[target]; |
||
721 | |||
722 | /* Create the fragment shader on-demand. */ |
||
723 | if (!*shader) { |
||
724 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
||
725 | nr_samples); |
||
726 | |||
727 | *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex); |
||
728 | } |
||
729 | |||
730 | return *shader; |
||
731 | } else { |
||
732 | void **shader = &ctx->fs_texfetch_col[target]; |
||
733 | |||
734 | /* Create the fragment shader on-demand. */ |
||
735 | if (!*shader) { |
||
736 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); |
||
737 | |||
738 | *shader = |
||
739 | util_make_fragment_tex_shader(pipe, tgsi_tex, |
||
740 | TGSI_INTERPOLATE_LINEAR); |
||
741 | } |
||
742 | |||
743 | return *shader; |
||
744 | } |
||
745 | } |
||
746 | |||
747 | static INLINE |
||
748 | void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, |
||
749 | enum pipe_texture_target target, |
||
750 | unsigned nr_samples) |
||
751 | { |
||
752 | struct pipe_context *pipe = ctx->base.pipe; |
||
753 | |||
754 | assert(target < PIPE_MAX_TEXTURE_TYPES); |
||
755 | |||
756 | if (nr_samples > 1) { |
||
757 | void **shader = &ctx->fs_texfetch_depth_msaa[target]; |
||
758 | |||
759 | /* Create the fragment shader on-demand. */ |
||
760 | if (!*shader) { |
||
761 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
||
762 | nr_samples); |
||
763 | |||
764 | *shader = |
||
765 | util_make_fs_blit_msaa_depth(pipe, tgsi_tex); |
||
766 | } |
||
767 | |||
768 | return *shader; |
||
769 | } else { |
||
770 | void **shader = &ctx->fs_texfetch_depth[target]; |
||
771 | |||
772 | /* Create the fragment shader on-demand. */ |
||
773 | if (!*shader) { |
||
774 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); |
||
775 | |||
776 | *shader = |
||
777 | util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, |
||
778 | TGSI_INTERPOLATE_LINEAR); |
||
779 | } |
||
780 | |||
781 | return *shader; |
||
782 | } |
||
783 | } |
||
784 | |||
785 | static INLINE |
||
786 | void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx, |
||
787 | enum pipe_texture_target target, |
||
788 | unsigned nr_samples) |
||
789 | { |
||
790 | struct pipe_context *pipe = ctx->base.pipe; |
||
791 | |||
792 | assert(target < PIPE_MAX_TEXTURE_TYPES); |
||
793 | |||
794 | if (nr_samples > 1) { |
||
795 | void **shader = &ctx->fs_texfetch_depthstencil_msaa[target]; |
||
796 | |||
797 | /* Create the fragment shader on-demand. */ |
||
798 | if (!*shader) { |
||
799 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
||
800 | nr_samples); |
||
801 | |||
802 | *shader = |
||
803 | util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); |
||
804 | } |
||
805 | |||
806 | return *shader; |
||
807 | } else { |
||
808 | void **shader = &ctx->fs_texfetch_depthstencil[target]; |
||
809 | |||
810 | /* Create the fragment shader on-demand. */ |
||
811 | if (!*shader) { |
||
812 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); |
||
813 | |||
814 | *shader = |
||
815 | util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex, |
||
816 | TGSI_INTERPOLATE_LINEAR); |
||
817 | } |
||
818 | |||
819 | return *shader; |
||
820 | } |
||
821 | } |
||
822 | |||
823 | static INLINE |
||
824 | void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx, |
||
825 | enum pipe_texture_target target, |
||
826 | unsigned nr_samples) |
||
827 | { |
||
828 | struct pipe_context *pipe = ctx->base.pipe; |
||
829 | |||
830 | assert(target < PIPE_MAX_TEXTURE_TYPES); |
||
831 | |||
832 | if (nr_samples > 1) { |
||
833 | void **shader = &ctx->fs_texfetch_stencil_msaa[target]; |
||
834 | |||
835 | /* Create the fragment shader on-demand. */ |
||
836 | if (!*shader) { |
||
837 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
||
838 | nr_samples); |
||
839 | |||
840 | *shader = |
||
841 | util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); |
||
842 | } |
||
843 | |||
844 | return *shader; |
||
845 | } else { |
||
846 | void **shader = &ctx->fs_texfetch_stencil[target]; |
||
847 | |||
848 | /* Create the fragment shader on-demand. */ |
||
849 | if (!*shader) { |
||
850 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); |
||
851 | |||
852 | *shader = |
||
853 | util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, |
||
854 | TGSI_INTERPOLATE_LINEAR); |
||
855 | } |
||
856 | |||
857 | return *shader; |
||
858 | } |
||
859 | } |
||
860 | |||
861 | void util_blitter_cache_all_shaders(struct blitter_context *blitter) |
||
862 | { |
||
863 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
864 | struct pipe_screen *screen = blitter->pipe->screen; |
||
865 | unsigned i, target, max_samples; |
||
866 | boolean has_arraytex, has_cubearraytex; |
||
867 | |||
868 | max_samples = ctx->has_texture_multisample ? 2 : 1; |
||
869 | has_arraytex = screen->get_param(screen, |
||
870 | PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0; |
||
871 | has_cubearraytex = screen->get_param(screen, |
||
872 | PIPE_CAP_CUBE_MAP_ARRAY) != 0; |
||
873 | |||
874 | /* It only matters if i <= 1 or > 1. */ |
||
875 | for (i = 1; i <= max_samples; i++) { |
||
876 | for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) { |
||
877 | if (!has_arraytex && |
||
878 | (target == PIPE_TEXTURE_1D_ARRAY || |
||
879 | target == PIPE_TEXTURE_2D_ARRAY)) { |
||
880 | continue; |
||
881 | } |
||
882 | if (!has_cubearraytex && |
||
883 | (target == PIPE_TEXTURE_CUBE_ARRAY)) |
||
884 | continue; |
||
885 | |||
886 | if (i > 1 && |
||
887 | (target != PIPE_TEXTURE_2D && |
||
888 | target != PIPE_TEXTURE_2D_ARRAY)) |
||
889 | continue; |
||
890 | |||
891 | blitter_get_fs_texfetch_col(ctx, target, i); |
||
892 | blitter_get_fs_texfetch_depth(ctx, target, i); |
||
893 | if (ctx->has_stencil_export) { |
||
894 | blitter_get_fs_texfetch_depthstencil(ctx, target, i); |
||
895 | blitter_get_fs_texfetch_stencil(ctx, target, i); |
||
896 | } |
||
897 | } |
||
898 | } |
||
899 | } |
||
900 | |||
901 | static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx, |
||
902 | boolean scissor) |
||
903 | { |
||
904 | struct pipe_context *pipe = ctx->base.pipe; |
||
905 | |||
906 | pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor |
||
907 | : ctx->rs_state); |
||
908 | pipe->bind_vs_state(pipe, ctx->vs); |
||
909 | if (ctx->has_geometry_shader) |
||
910 | pipe->bind_gs_state(pipe, NULL); |
||
911 | if (ctx->has_stream_out) |
||
912 | pipe->set_stream_output_targets(pipe, 0, NULL, 0); |
||
913 | } |
||
914 | |||
915 | static void blitter_draw(struct blitter_context_priv *ctx, |
||
916 | int x1, int y1, int x2, int y2, float depth) |
||
917 | { |
||
918 | struct pipe_resource *buf = NULL; |
||
919 | unsigned offset = 0; |
||
920 | |||
921 | blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); |
||
922 | |||
923 | u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices, |
||
924 | &offset, &buf); |
||
925 | u_upload_unmap(ctx->upload); |
||
926 | util_draw_vertex_buffer(ctx->base.pipe, NULL, buf, ctx->base.vb_slot, |
||
927 | offset, PIPE_PRIM_TRIANGLE_FAN, 4, 2); |
||
928 | pipe_resource_reference(&buf, NULL); |
||
929 | } |
||
930 | |||
931 | void util_blitter_draw_rectangle(struct blitter_context *blitter, |
||
932 | int x1, int y1, int x2, int y2, float depth, |
||
933 | enum blitter_attrib_type type, |
||
934 | const union pipe_color_union *attrib) |
||
935 | { |
||
936 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
937 | |||
938 | switch (type) { |
||
939 | case UTIL_BLITTER_ATTRIB_COLOR: |
||
940 | blitter_set_clear_color(ctx, attrib); |
||
941 | break; |
||
942 | |||
943 | case UTIL_BLITTER_ATTRIB_TEXCOORD: |
||
944 | set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8); |
||
945 | break; |
||
946 | |||
947 | default:; |
||
948 | } |
||
949 | |||
950 | blitter_draw(ctx, x1, y1, x2, y2, depth); |
||
951 | } |
||
952 | |||
953 | static void util_blitter_clear_custom(struct blitter_context *blitter, |
||
954 | unsigned width, unsigned height, |
||
955 | unsigned clear_buffers, |
||
956 | const union pipe_color_union *color, |
||
957 | double depth, unsigned stencil, |
||
958 | void *custom_blend, void *custom_dsa) |
||
959 | { |
||
960 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
961 | struct pipe_context *pipe = ctx->base.pipe; |
||
962 | struct pipe_stencil_ref sr = { { 0 } }; |
||
963 | |||
964 | blitter_set_running_flag(ctx); |
||
965 | blitter_check_saved_vertex_states(ctx); |
||
966 | blitter_check_saved_fragment_states(ctx); |
||
967 | blitter_disable_render_cond(ctx); |
||
968 | |||
969 | /* bind states */ |
||
970 | if (custom_blend) { |
||
971 | pipe->bind_blend_state(pipe, custom_blend); |
||
972 | } else if (clear_buffers & PIPE_CLEAR_COLOR) { |
||
973 | pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA]); |
||
974 | } else { |
||
975 | pipe->bind_blend_state(pipe, ctx->blend[0]); |
||
976 | } |
||
977 | |||
978 | if (custom_dsa) { |
||
979 | pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); |
||
980 | } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { |
||
981 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
||
982 | } else if (clear_buffers & PIPE_CLEAR_DEPTH) { |
||
983 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); |
||
984 | } else if (clear_buffers & PIPE_CLEAR_STENCIL) { |
||
985 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
||
986 | } else { |
||
987 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
988 | } |
||
989 | |||
990 | sr.ref_value[0] = stencil & 0xff; |
||
991 | pipe->set_stencil_ref(pipe, &sr); |
||
992 | |||
993 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
994 | ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); |
||
995 | pipe->set_sample_mask(pipe, ~0); |
||
996 | |||
997 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
998 | blitter_set_dst_dimensions(ctx, width, height); |
||
999 | blitter->draw_rectangle(blitter, 0, 0, width, height, (float) depth, |
||
1000 | UTIL_BLITTER_ATTRIB_COLOR, color); |
||
1001 | |||
1002 | blitter_restore_vertex_states(ctx); |
||
1003 | blitter_restore_fragment_states(ctx); |
||
1004 | blitter_restore_render_cond(ctx); |
||
1005 | blitter_unset_running_flag(ctx); |
||
1006 | } |
||
1007 | |||
1008 | void util_blitter_clear(struct blitter_context *blitter, |
||
1009 | unsigned width, unsigned height, |
||
1010 | unsigned clear_buffers, |
||
1011 | const union pipe_color_union *color, |
||
1012 | double depth, unsigned stencil) |
||
1013 | { |
||
1014 | util_blitter_clear_custom(blitter, width, height, |
||
1015 | clear_buffers, color, depth, stencil, |
||
1016 | NULL, NULL); |
||
1017 | } |
||
1018 | |||
1019 | void util_blitter_custom_clear_depth(struct blitter_context *blitter, |
||
1020 | unsigned width, unsigned height, |
||
1021 | double depth, void *custom_dsa) |
||
1022 | { |
||
1023 | static const union pipe_color_union color; |
||
1024 | util_blitter_clear_custom(blitter, width, height, 0, &color, depth, 0, |
||
1025 | NULL, custom_dsa); |
||
1026 | } |
||
1027 | |||
1028 | void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, |
||
1029 | struct pipe_resource *dst, |
||
1030 | unsigned dstlevel, |
||
1031 | unsigned dstz) |
||
1032 | { |
||
1033 | memset(dst_templ, 0, sizeof(*dst_templ)); |
||
1034 | dst_templ->format = util_format_linear(dst->format); |
||
1035 | dst_templ->u.tex.level = dstlevel; |
||
1036 | dst_templ->u.tex.first_layer = dstz; |
||
1037 | dst_templ->u.tex.last_layer = dstz; |
||
1038 | } |
||
1039 | |||
1040 | static struct pipe_surface * |
||
1041 | util_blitter_get_next_surface_layer(struct pipe_context *pipe, |
||
1042 | struct pipe_surface *surf) |
||
1043 | { |
||
1044 | struct pipe_surface dst_templ; |
||
1045 | |||
1046 | memset(&dst_templ, 0, sizeof(dst_templ)); |
||
1047 | dst_templ.format = surf->format; |
||
1048 | dst_templ.u.tex.level = surf->u.tex.level; |
||
1049 | dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1; |
||
1050 | dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1; |
||
1051 | |||
1052 | return pipe->create_surface(pipe, surf->texture, &dst_templ); |
||
1053 | } |
||
1054 | |||
1055 | void util_blitter_default_src_texture(struct pipe_sampler_view *src_templ, |
||
1056 | struct pipe_resource *src, |
||
1057 | unsigned srclevel) |
||
1058 | { |
||
1059 | memset(src_templ, 0, sizeof(*src_templ)); |
||
1060 | src_templ->format = util_format_linear(src->format); |
||
1061 | src_templ->u.tex.first_level = srclevel; |
||
1062 | src_templ->u.tex.last_level = srclevel; |
||
1063 | src_templ->u.tex.first_layer = 0; |
||
1064 | src_templ->u.tex.last_layer = |
||
1065 | src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 |
||
1066 | : src->array_size - 1; |
||
1067 | src_templ->swizzle_r = PIPE_SWIZZLE_RED; |
||
1068 | src_templ->swizzle_g = PIPE_SWIZZLE_GREEN; |
||
1069 | src_templ->swizzle_b = PIPE_SWIZZLE_BLUE; |
||
1070 | src_templ->swizzle_a = PIPE_SWIZZLE_ALPHA; |
||
1071 | } |
||
1072 | |||
1073 | static boolean is_blit_generic_supported(struct blitter_context *blitter, |
||
1074 | const struct pipe_resource *dst, |
||
1075 | enum pipe_format dst_format, |
||
1076 | const struct pipe_resource *src, |
||
1077 | enum pipe_format src_format, |
||
1078 | unsigned mask) |
||
1079 | { |
||
1080 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1081 | struct pipe_screen *screen = ctx->base.pipe->screen; |
||
1082 | |||
1083 | if (dst) { |
||
1084 | unsigned bind; |
||
1085 | const struct util_format_description *desc = |
||
1086 | util_format_description(dst_format); |
||
1087 | boolean dst_has_stencil = util_format_has_stencil(desc); |
||
1088 | |||
1089 | /* Stencil export must be supported for stencil copy. */ |
||
1090 | if ((mask & PIPE_MASK_S) && dst_has_stencil && |
||
1091 | !ctx->has_stencil_export) { |
||
1092 | return FALSE; |
||
1093 | } |
||
1094 | |||
1095 | if (dst_has_stencil || util_format_has_depth(desc)) |
||
1096 | bind = PIPE_BIND_DEPTH_STENCIL; |
||
1097 | else |
||
1098 | bind = PIPE_BIND_RENDER_TARGET; |
||
1099 | |||
1100 | if (!screen->is_format_supported(screen, dst_format, dst->target, |
||
1101 | dst->nr_samples, bind)) { |
||
1102 | return FALSE; |
||
1103 | } |
||
1104 | } |
||
1105 | |||
1106 | if (src) { |
||
1107 | if (src->nr_samples > 1 && !ctx->has_texture_multisample) { |
||
1108 | return FALSE; |
||
1109 | } |
||
1110 | |||
1111 | if (!screen->is_format_supported(screen, src_format, src->target, |
||
1112 | src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { |
||
1113 | return FALSE; |
||
1114 | } |
||
1115 | |||
1116 | /* Check stencil sampler support for stencil copy. */ |
||
1117 | if (mask & PIPE_MASK_S) { |
||
1118 | if (util_format_has_stencil(util_format_description(src_format))) { |
||
1119 | enum pipe_format stencil_format = |
||
1120 | util_format_stencil_only(src_format); |
||
1121 | assert(stencil_format != PIPE_FORMAT_NONE); |
||
1122 | |||
1123 | if (stencil_format != src_format && |
||
1124 | !screen->is_format_supported(screen, stencil_format, |
||
1125 | src->target, src->nr_samples, |
||
1126 | PIPE_BIND_SAMPLER_VIEW)) { |
||
1127 | return FALSE; |
||
1128 | } |
||
1129 | } |
||
1130 | } |
||
1131 | } |
||
1132 | |||
1133 | return TRUE; |
||
1134 | } |
||
1135 | |||
1136 | boolean util_blitter_is_copy_supported(struct blitter_context *blitter, |
||
1137 | const struct pipe_resource *dst, |
||
1138 | const struct pipe_resource *src, |
||
1139 | unsigned mask) |
||
1140 | { |
||
1141 | return is_blit_generic_supported(blitter, dst, dst->format, |
||
1142 | src, src->format, mask); |
||
1143 | } |
||
1144 | |||
1145 | boolean util_blitter_is_blit_supported(struct blitter_context *blitter, |
||
1146 | const struct pipe_blit_info *info) |
||
1147 | { |
||
1148 | return is_blit_generic_supported(blitter, |
||
1149 | info->dst.resource, info->dst.format, |
||
1150 | info->src.resource, info->src.format, |
||
1151 | info->mask); |
||
1152 | } |
||
1153 | |||
1154 | void util_blitter_copy_texture(struct blitter_context *blitter, |
||
1155 | struct pipe_resource *dst, |
||
1156 | unsigned dst_level, |
||
1157 | unsigned dstx, unsigned dsty, unsigned dstz, |
||
1158 | struct pipe_resource *src, |
||
1159 | unsigned src_level, |
||
1160 | const struct pipe_box *srcbox, unsigned mask, |
||
1161 | boolean copy_all_samples) |
||
1162 | { |
||
1163 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1164 | struct pipe_context *pipe = ctx->base.pipe; |
||
1165 | struct pipe_surface *dst_view, dst_templ; |
||
1166 | struct pipe_sampler_view src_templ, *src_view; |
||
1167 | struct pipe_box dstbox; |
||
1168 | |||
1169 | assert(dst && src); |
||
1170 | assert(src->target < PIPE_MAX_TEXTURE_TYPES); |
||
1171 | |||
1172 | u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height), |
||
1173 | abs(srcbox->depth), &dstbox); |
||
1174 | |||
1175 | /* Initialize the surface. */ |
||
1176 | util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); |
||
1177 | dst_view = pipe->create_surface(pipe, dst, &dst_templ); |
||
1178 | |||
1179 | /* Initialize the sampler view. */ |
||
1180 | util_blitter_default_src_texture(&src_templ, src, src_level); |
||
1181 | src_view = pipe->create_sampler_view(pipe, src, &src_templ); |
||
1182 | |||
1183 | /* Copy. */ |
||
1184 | util_blitter_blit_generic(blitter, dst_view, &dstbox, |
||
1185 | src_view, srcbox, src->width0, src->height0, |
||
1186 | mask, PIPE_TEX_FILTER_NEAREST, NULL, |
||
1187 | copy_all_samples); |
||
1188 | |||
1189 | pipe_surface_reference(&dst_view, NULL); |
||
1190 | pipe_sampler_view_reference(&src_view, NULL); |
||
1191 | } |
||
1192 | |||
1193 | void util_blitter_blit_generic(struct blitter_context *blitter, |
||
1194 | struct pipe_surface *dst, |
||
1195 | const struct pipe_box *dstbox, |
||
1196 | struct pipe_sampler_view *src, |
||
1197 | const struct pipe_box *srcbox, |
||
1198 | unsigned src_width0, unsigned src_height0, |
||
1199 | unsigned mask, unsigned filter, |
||
1200 | const struct pipe_scissor_state *scissor, |
||
1201 | boolean copy_all_samples) |
||
1202 | { |
||
1203 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1204 | struct pipe_context *pipe = ctx->base.pipe; |
||
1205 | struct pipe_framebuffer_state fb_state; |
||
1206 | enum pipe_texture_target src_target = src->texture->target; |
||
1207 | unsigned src_samples = src->texture->nr_samples; |
||
1208 | boolean has_depth, has_stencil, has_color; |
||
1209 | boolean blit_stencil, blit_depth, blit_color; |
||
1210 | void *sampler_state; |
||
1211 | const struct util_format_description *src_desc = |
||
1212 | util_format_description(src->format); |
||
1213 | const struct util_format_description *dst_desc = |
||
1214 | util_format_description(dst->format); |
||
1215 | |||
1216 | has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS && |
||
1217 | dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS; |
||
1218 | has_depth = util_format_has_depth(src_desc) && |
||
1219 | util_format_has_depth(dst_desc); |
||
1220 | has_stencil = util_format_has_stencil(src_desc) && |
||
1221 | util_format_has_stencil(dst_desc); |
||
1222 | |||
1223 | blit_color = has_color && (mask & PIPE_MASK_RGBA); |
||
1224 | blit_depth = has_depth && (mask & PIPE_MASK_Z); |
||
1225 | blit_stencil = has_stencil && (mask & PIPE_MASK_S) && |
||
1226 | ctx->has_stencil_export; |
||
1227 | |||
1228 | if (!blit_stencil && !blit_depth && !blit_color) { |
||
1229 | return; |
||
1230 | } |
||
1231 | |||
1232 | /* Check whether the states are properly saved. */ |
||
1233 | blitter_set_running_flag(ctx); |
||
1234 | blitter_check_saved_vertex_states(ctx); |
||
1235 | blitter_check_saved_fragment_states(ctx); |
||
1236 | blitter_check_saved_textures(ctx); |
||
1237 | blitter_check_saved_fb_state(ctx); |
||
1238 | blitter_disable_render_cond(ctx); |
||
1239 | |||
1240 | /* Initialize framebuffer state. */ |
||
1241 | fb_state.width = dst->width; |
||
1242 | fb_state.height = dst->height; |
||
1243 | fb_state.nr_cbufs = blit_depth || blit_stencil ? 0 : 1; |
||
1244 | fb_state.cbufs[0] = NULL; |
||
1245 | fb_state.zsbuf = NULL; |
||
1246 | |||
1247 | if (blit_depth || blit_stencil) { |
||
1248 | pipe->bind_blend_state(pipe, ctx->blend[0]); |
||
1249 | |||
1250 | if (blit_depth && blit_stencil) { |
||
1251 | pipe->bind_depth_stencil_alpha_state(pipe, |
||
1252 | ctx->dsa_write_depth_stencil); |
||
1253 | ctx->bind_fs_state(pipe, |
||
1254 | blitter_get_fs_texfetch_depthstencil(ctx, src_target, |
||
1255 | src_samples)); |
||
1256 | } else if (blit_depth) { |
||
1257 | pipe->bind_depth_stencil_alpha_state(pipe, |
||
1258 | ctx->dsa_write_depth_keep_stencil); |
||
1259 | ctx->bind_fs_state(pipe, |
||
1260 | blitter_get_fs_texfetch_depth(ctx, src_target, |
||
1261 | src_samples)); |
||
1262 | } else { /* is_stencil */ |
||
1263 | pipe->bind_depth_stencil_alpha_state(pipe, |
||
1264 | ctx->dsa_keep_depth_write_stencil); |
||
1265 | ctx->bind_fs_state(pipe, |
||
1266 | blitter_get_fs_texfetch_stencil(ctx, src_target, |
||
1267 | src_samples)); |
||
1268 | } |
||
1269 | |||
1270 | } else { |
||
1271 | pipe->bind_blend_state(pipe, ctx->blend[mask & PIPE_MASK_RGBA]); |
||
1272 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
1273 | ctx->bind_fs_state(pipe, |
||
1274 | blitter_get_fs_texfetch_col(ctx, src_target, |
||
1275 | src_samples)); |
||
1276 | } |
||
1277 | |||
1278 | /* Set the linear filter only for scaled color non-MSAA blits. */ |
||
1279 | if (filter == PIPE_TEX_FILTER_LINEAR && |
||
1280 | !blit_depth && !blit_stencil && |
||
1281 | src_samples <= 1 && |
||
1282 | (dstbox->width != abs(srcbox->width) || |
||
1283 | dstbox->height != abs(srcbox->height))) { |
||
1284 | if (src_target == PIPE_TEXTURE_RECT) { |
||
1285 | sampler_state = ctx->sampler_state_rect_linear; |
||
1286 | } else { |
||
1287 | sampler_state = ctx->sampler_state_linear; |
||
1288 | } |
||
1289 | } else { |
||
1290 | if (src_target == PIPE_TEXTURE_RECT) { |
||
1291 | sampler_state = ctx->sampler_state_rect; |
||
1292 | } else { |
||
1293 | sampler_state = ctx->sampler_state; |
||
1294 | } |
||
1295 | } |
||
1296 | |||
1297 | /* Set samplers. */ |
||
1298 | if (blit_depth && blit_stencil) { |
||
1299 | /* Setup two samplers, one for depth and the other one for stencil. */ |
||
1300 | struct pipe_sampler_view templ; |
||
1301 | struct pipe_sampler_view *views[2]; |
||
1302 | void *samplers[2] = {sampler_state, sampler_state}; |
||
1303 | |||
1304 | templ = *src; |
||
1305 | templ.format = util_format_stencil_only(templ.format); |
||
1306 | assert(templ.format != PIPE_FORMAT_NONE); |
||
1307 | |||
1308 | views[0] = src; |
||
1309 | views[1] = pipe->create_sampler_view(pipe, src->texture, &templ); |
||
1310 | |||
1311 | pipe->set_fragment_sampler_views(pipe, 2, views); |
||
1312 | pipe->bind_fragment_sampler_states(pipe, 2, samplers); |
||
1313 | |||
1314 | pipe_sampler_view_reference(&views[1], NULL); |
||
1315 | } else if (blit_stencil) { |
||
1316 | /* Set a stencil-only sampler view for it not to sample depth instead. */ |
||
1317 | struct pipe_sampler_view templ; |
||
1318 | struct pipe_sampler_view *view; |
||
1319 | |||
1320 | templ = *src; |
||
1321 | templ.format = util_format_stencil_only(templ.format); |
||
1322 | assert(templ.format != PIPE_FORMAT_NONE); |
||
1323 | |||
1324 | view = pipe->create_sampler_view(pipe, src->texture, &templ); |
||
1325 | |||
1326 | pipe->set_fragment_sampler_views(pipe, 1, &view); |
||
1327 | pipe->bind_fragment_sampler_states(pipe, 1, &sampler_state); |
||
1328 | |||
1329 | pipe_sampler_view_reference(&view, NULL); |
||
1330 | } else { |
||
1331 | pipe->set_fragment_sampler_views(pipe, 1, &src); |
||
1332 | pipe->bind_fragment_sampler_states(pipe, 1, &sampler_state); |
||
1333 | } |
||
1334 | |||
1335 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1336 | if (scissor) { |
||
1337 | pipe->set_scissor_states(pipe, 0, 1, scissor); |
||
1338 | } |
||
1339 | |||
1340 | blitter_set_common_draw_rect_state(ctx, scissor != NULL); |
||
1341 | blitter_set_dst_dimensions(ctx, dst->width, dst->height); |
||
1342 | |||
1343 | if ((src_target == PIPE_TEXTURE_1D || |
||
1344 | src_target == PIPE_TEXTURE_2D || |
||
1345 | src_target == PIPE_TEXTURE_RECT) && |
||
1346 | src_samples <= 1) { |
||
1347 | /* Draw the quad with the draw_rectangle callback. */ |
||
1348 | |||
1349 | /* Set texture coordinates. - use a pipe color union |
||
1350 | * for interface purposes. |
||
1351 | * XXX pipe_color_union is a wrong name since we use that to set |
||
1352 | * texture coordinates too. |
||
1353 | */ |
||
1354 | union pipe_color_union coord; |
||
1355 | get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y, |
||
1356 | srcbox->x+srcbox->width, srcbox->y+srcbox->height, coord.f); |
||
1357 | |||
1358 | /* Set framebuffer state. */ |
||
1359 | if (blit_depth || blit_stencil) { |
||
1360 | fb_state.zsbuf = dst; |
||
1361 | } else { |
||
1362 | fb_state.cbufs[0] = dst; |
||
1363 | } |
||
1364 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1365 | |||
1366 | /* Draw. */ |
||
1367 | pipe->set_sample_mask(pipe, ~0); |
||
1368 | blitter->draw_rectangle(blitter, dstbox->x, dstbox->y, |
||
1369 | dstbox->x + dstbox->width, |
||
1370 | dstbox->y + dstbox->height, 0, |
||
1371 | UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); |
||
1372 | } else { |
||
1373 | /* Draw the quad with the generic codepath. */ |
||
1374 | int z; |
||
1375 | for (z = 0; z < dstbox->depth; z++) { |
||
1376 | struct pipe_surface *old; |
||
1377 | |||
1378 | /* Set framebuffer state. */ |
||
1379 | if (blit_depth || blit_stencil) { |
||
1380 | fb_state.zsbuf = dst; |
||
1381 | } else { |
||
1382 | fb_state.cbufs[0] = dst; |
||
1383 | } |
||
1384 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1385 | |||
1386 | /* See if we need to blit a multisample or singlesample buffer. */ |
||
1387 | if (copy_all_samples && |
||
1388 | src_samples == dst->texture->nr_samples && |
||
1389 | dst->texture->nr_samples > 1) { |
||
1390 | unsigned i, max_sample = MAX2(dst->texture->nr_samples, 1) - 1; |
||
1391 | |||
1392 | for (i = 0; i <= max_sample; i++) { |
||
1393 | pipe->set_sample_mask(pipe, 1 << i); |
||
1394 | blitter_set_texcoords(ctx, src, src_width0, src_height0, |
||
1395 | srcbox->z + z, |
||
1396 | i, srcbox->x, srcbox->y, |
||
1397 | srcbox->x + srcbox->width, |
||
1398 | srcbox->y + srcbox->height); |
||
1399 | blitter_draw(ctx, dstbox->x, dstbox->y, |
||
1400 | dstbox->x + dstbox->width, |
||
1401 | dstbox->y + dstbox->height, 0); |
||
1402 | } |
||
1403 | } else { |
||
1404 | pipe->set_sample_mask(pipe, ~0); |
||
1405 | blitter_set_texcoords(ctx, src, src_width0, src_height0, |
||
1406 | srcbox->z + z, 0, |
||
1407 | srcbox->x, srcbox->y, |
||
1408 | srcbox->x + srcbox->width, |
||
1409 | srcbox->y + srcbox->height); |
||
1410 | blitter_draw(ctx, dstbox->x, dstbox->y, |
||
1411 | dstbox->x + dstbox->width, |
||
1412 | dstbox->y + dstbox->height, 0); |
||
1413 | } |
||
1414 | |||
1415 | /* Get the next surface or (if this is the last iteration) |
||
1416 | * just unreference the last one. */ |
||
1417 | old = dst; |
||
1418 | if (z < dstbox->depth-1) { |
||
1419 | dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst); |
||
1420 | } |
||
1421 | if (z) { |
||
1422 | pipe_surface_reference(&old, NULL); |
||
1423 | } |
||
1424 | } |
||
1425 | } |
||
1426 | |||
1427 | blitter_restore_vertex_states(ctx); |
||
1428 | blitter_restore_fragment_states(ctx); |
||
1429 | blitter_restore_textures(ctx); |
||
1430 | blitter_restore_fb_state(ctx); |
||
1431 | if (scissor) { |
||
1432 | pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor); |
||
1433 | } |
||
1434 | blitter_restore_render_cond(ctx); |
||
1435 | blitter_unset_running_flag(ctx); |
||
1436 | } |
||
1437 | |||
1438 | void |
||
1439 | util_blitter_blit(struct blitter_context *blitter, |
||
1440 | const struct pipe_blit_info *info) |
||
1441 | { |
||
1442 | struct pipe_resource *dst = info->dst.resource; |
||
1443 | struct pipe_resource *src = info->src.resource; |
||
1444 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1445 | struct pipe_context *pipe = ctx->base.pipe; |
||
1446 | struct pipe_surface *dst_view, dst_templ; |
||
1447 | struct pipe_sampler_view src_templ, *src_view; |
||
1448 | |||
1449 | /* Initialize the surface. */ |
||
1450 | util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level, |
||
1451 | info->dst.box.z); |
||
1452 | dst_templ.format = info->dst.format; |
||
1453 | dst_view = pipe->create_surface(pipe, dst, &dst_templ); |
||
1454 | |||
1455 | /* Initialize the sampler view. */ |
||
1456 | util_blitter_default_src_texture(&src_templ, src, info->src.level); |
||
1457 | src_templ.format = info->src.format; |
||
1458 | src_view = pipe->create_sampler_view(pipe, src, &src_templ); |
||
1459 | |||
1460 | /* Copy. */ |
||
1461 | util_blitter_blit_generic(blitter, dst_view, &info->dst.box, |
||
1462 | src_view, &info->src.box, src->width0, src->height0, |
||
1463 | info->mask, info->filter, |
||
1464 | info->scissor_enable ? &info->scissor : NULL, TRUE); |
||
1465 | |||
1466 | pipe_surface_reference(&dst_view, NULL); |
||
1467 | pipe_sampler_view_reference(&src_view, NULL); |
||
1468 | } |
||
1469 | |||
1470 | /* Clear a region of a color surface to a constant value. */ |
||
1471 | void util_blitter_clear_render_target(struct blitter_context *blitter, |
||
1472 | struct pipe_surface *dstsurf, |
||
1473 | const union pipe_color_union *color, |
||
1474 | unsigned dstx, unsigned dsty, |
||
1475 | unsigned width, unsigned height) |
||
1476 | { |
||
1477 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1478 | struct pipe_context *pipe = ctx->base.pipe; |
||
1479 | struct pipe_framebuffer_state fb_state; |
||
1480 | |||
1481 | assert(dstsurf->texture); |
||
1482 | if (!dstsurf->texture) |
||
1483 | return; |
||
1484 | |||
1485 | /* check the saved state */ |
||
1486 | blitter_set_running_flag(ctx); |
||
1487 | blitter_check_saved_vertex_states(ctx); |
||
1488 | blitter_check_saved_fragment_states(ctx); |
||
1489 | blitter_check_saved_fb_state(ctx); |
||
1490 | blitter_disable_render_cond(ctx); |
||
1491 | |||
1492 | /* bind states */ |
||
1493 | pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA]); |
||
1494 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
1495 | ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
||
1496 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1497 | |||
1498 | /* set a framebuffer state */ |
||
1499 | fb_state.width = dstsurf->width; |
||
1500 | fb_state.height = dstsurf->height; |
||
1501 | fb_state.nr_cbufs = 1; |
||
1502 | fb_state.cbufs[0] = dstsurf; |
||
1503 | fb_state.zsbuf = 0; |
||
1504 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1505 | pipe->set_sample_mask(pipe, ~0); |
||
1506 | |||
1507 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
1508 | blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
||
1509 | blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, |
||
1510 | UTIL_BLITTER_ATTRIB_COLOR, color); |
||
1511 | |||
1512 | blitter_restore_vertex_states(ctx); |
||
1513 | blitter_restore_fragment_states(ctx); |
||
1514 | blitter_restore_fb_state(ctx); |
||
1515 | blitter_restore_render_cond(ctx); |
||
1516 | blitter_unset_running_flag(ctx); |
||
1517 | } |
||
1518 | |||
1519 | /* Clear a region of a depth stencil surface. */ |
||
1520 | void util_blitter_clear_depth_stencil(struct blitter_context *blitter, |
||
1521 | struct pipe_surface *dstsurf, |
||
1522 | unsigned clear_flags, |
||
1523 | double depth, |
||
1524 | unsigned stencil, |
||
1525 | unsigned dstx, unsigned dsty, |
||
1526 | unsigned width, unsigned height) |
||
1527 | { |
||
1528 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1529 | struct pipe_context *pipe = ctx->base.pipe; |
||
1530 | struct pipe_framebuffer_state fb_state; |
||
1531 | struct pipe_stencil_ref sr = { { 0 } }; |
||
1532 | |||
1533 | assert(dstsurf->texture); |
||
1534 | if (!dstsurf->texture) |
||
1535 | return; |
||
1536 | |||
1537 | /* check the saved state */ |
||
1538 | blitter_set_running_flag(ctx); |
||
1539 | blitter_check_saved_vertex_states(ctx); |
||
1540 | blitter_check_saved_fragment_states(ctx); |
||
1541 | blitter_check_saved_fb_state(ctx); |
||
1542 | blitter_disable_render_cond(ctx); |
||
1543 | |||
1544 | /* bind states */ |
||
1545 | pipe->bind_blend_state(pipe, ctx->blend[0]); |
||
1546 | if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { |
||
1547 | sr.ref_value[0] = stencil & 0xff; |
||
1548 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
||
1549 | pipe->set_stencil_ref(pipe, &sr); |
||
1550 | } |
||
1551 | else if (clear_flags & PIPE_CLEAR_DEPTH) { |
||
1552 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); |
||
1553 | } |
||
1554 | else if (clear_flags & PIPE_CLEAR_STENCIL) { |
||
1555 | sr.ref_value[0] = stencil & 0xff; |
||
1556 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
||
1557 | pipe->set_stencil_ref(pipe, &sr); |
||
1558 | } |
||
1559 | else |
||
1560 | /* hmm that should be illegal probably, or make it a no-op somewhere */ |
||
1561 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
1562 | |||
1563 | ctx->bind_fs_state(pipe, ctx->fs_empty); |
||
1564 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1565 | |||
1566 | /* set a framebuffer state */ |
||
1567 | fb_state.width = dstsurf->width; |
||
1568 | fb_state.height = dstsurf->height; |
||
1569 | fb_state.nr_cbufs = 0; |
||
1570 | fb_state.cbufs[0] = 0; |
||
1571 | fb_state.zsbuf = dstsurf; |
||
1572 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1573 | pipe->set_sample_mask(pipe, ~0); |
||
1574 | |||
1575 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
1576 | blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
||
1577 | blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, |
||
1578 | (float) depth, |
||
1579 | UTIL_BLITTER_ATTRIB_NONE, NULL); |
||
1580 | |||
1581 | blitter_restore_vertex_states(ctx); |
||
1582 | blitter_restore_fragment_states(ctx); |
||
1583 | blitter_restore_fb_state(ctx); |
||
1584 | blitter_restore_render_cond(ctx); |
||
1585 | blitter_unset_running_flag(ctx); |
||
1586 | } |
||
1587 | |||
1588 | /* draw a rectangle across a region using a custom dsa stage - for r600g */ |
||
1589 | void util_blitter_custom_depth_stencil(struct blitter_context *blitter, |
||
1590 | struct pipe_surface *zsurf, |
||
1591 | struct pipe_surface *cbsurf, |
||
1592 | unsigned sample_mask, |
||
1593 | void *dsa_stage, float depth) |
||
1594 | { |
||
1595 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1596 | struct pipe_context *pipe = ctx->base.pipe; |
||
1597 | struct pipe_framebuffer_state fb_state; |
||
1598 | |||
1599 | assert(zsurf->texture); |
||
1600 | if (!zsurf->texture) |
||
1601 | return; |
||
1602 | |||
1603 | /* check the saved state */ |
||
1604 | blitter_set_running_flag(ctx); |
||
1605 | blitter_check_saved_vertex_states(ctx); |
||
1606 | blitter_check_saved_fragment_states(ctx); |
||
1607 | blitter_check_saved_fb_state(ctx); |
||
1608 | blitter_disable_render_cond(ctx); |
||
1609 | |||
1610 | /* bind states */ |
||
1611 | pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA] : |
||
1612 | ctx->blend[0]); |
||
1613 | pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); |
||
1614 | ctx->bind_fs_state(pipe, ctx->fs_empty); |
||
1615 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1616 | |||
1617 | /* set a framebuffer state */ |
||
1618 | fb_state.width = zsurf->width; |
||
1619 | fb_state.height = zsurf->height; |
||
1620 | fb_state.nr_cbufs = 1; |
||
1621 | if (cbsurf) { |
||
1622 | fb_state.cbufs[0] = cbsurf; |
||
1623 | fb_state.nr_cbufs = 1; |
||
1624 | } else { |
||
1625 | fb_state.cbufs[0] = NULL; |
||
1626 | fb_state.nr_cbufs = 0; |
||
1627 | } |
||
1628 | fb_state.zsbuf = zsurf; |
||
1629 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1630 | pipe->set_sample_mask(pipe, sample_mask); |
||
1631 | |||
1632 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
1633 | blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); |
||
1634 | blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth, |
||
1635 | UTIL_BLITTER_ATTRIB_NONE, NULL); |
||
1636 | |||
1637 | blitter_restore_vertex_states(ctx); |
||
1638 | blitter_restore_fragment_states(ctx); |
||
1639 | blitter_restore_fb_state(ctx); |
||
1640 | blitter_restore_render_cond(ctx); |
||
1641 | blitter_unset_running_flag(ctx); |
||
1642 | } |
||
1643 | |||
1644 | void util_blitter_copy_buffer(struct blitter_context *blitter, |
||
1645 | struct pipe_resource *dst, |
||
1646 | unsigned dstx, |
||
1647 | struct pipe_resource *src, |
||
1648 | unsigned srcx, |
||
1649 | unsigned size) |
||
1650 | { |
||
1651 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1652 | struct pipe_context *pipe = ctx->base.pipe; |
||
1653 | struct pipe_vertex_buffer vb; |
||
1654 | struct pipe_stream_output_target *so_target; |
||
1655 | |||
1656 | if (srcx >= src->width0 || |
||
1657 | dstx >= dst->width0) { |
||
1658 | return; |
||
1659 | } |
||
1660 | if (srcx + size > src->width0) { |
||
1661 | size = src->width0 - srcx; |
||
1662 | } |
||
1663 | if (dstx + size > dst->width0) { |
||
1664 | size = dst->width0 - dstx; |
||
1665 | } |
||
1666 | |||
1667 | /* Drivers not capable of Stream Out should not call this function |
||
1668 | * in the first place. */ |
||
1669 | assert(ctx->has_stream_out); |
||
1670 | |||
1671 | /* Some alignment is required. */ |
||
1672 | if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 || |
||
1673 | !ctx->has_stream_out) { |
||
1674 | struct pipe_box box; |
||
1675 | u_box_1d(srcx, size, &box); |
||
1676 | util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box); |
||
1677 | return; |
||
1678 | } |
||
1679 | |||
1680 | blitter_set_running_flag(ctx); |
||
1681 | blitter_check_saved_vertex_states(ctx); |
||
1682 | blitter_disable_render_cond(ctx); |
||
1683 | |||
1684 | vb.buffer = src; |
||
1685 | vb.buffer_offset = srcx; |
||
1686 | vb.stride = 4; |
||
1687 | |||
1688 | pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); |
||
1689 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]); |
||
1690 | pipe->bind_vs_state(pipe, ctx->vs_pos_only); |
||
1691 | if (ctx->has_geometry_shader) |
||
1692 | pipe->bind_gs_state(pipe, NULL); |
||
1693 | pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); |
||
1694 | |||
1695 | so_target = pipe->create_stream_output_target(pipe, dst, dstx, size); |
||
1696 | pipe->set_stream_output_targets(pipe, 1, &so_target, 0); |
||
1697 | |||
1698 | util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); |
||
1699 | |||
1700 | blitter_restore_vertex_states(ctx); |
||
1701 | blitter_restore_render_cond(ctx); |
||
1702 | blitter_unset_running_flag(ctx); |
||
1703 | pipe_so_target_reference(&so_target, NULL); |
||
1704 | } |
||
1705 | |||
1706 | void util_blitter_clear_buffer(struct blitter_context *blitter, |
||
1707 | struct pipe_resource *dst, |
||
1708 | unsigned offset, unsigned size, |
||
1709 | unsigned num_channels, |
||
1710 | const union pipe_color_union *clear_value) |
||
1711 | { |
||
1712 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1713 | struct pipe_context *pipe = ctx->base.pipe; |
||
1714 | struct pipe_vertex_buffer vb = {0}; |
||
1715 | struct pipe_stream_output_target *so_target; |
||
1716 | |||
1717 | assert(num_channels >= 1); |
||
1718 | assert(num_channels <= 4); |
||
1719 | |||
1720 | /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE! |
||
1721 | * |
||
1722 | * R600 uses this to initialize texture resources, so width0 might not be |
||
1723 | * what you think it is. |
||
1724 | */ |
||
1725 | |||
1726 | /* Streamout is required. */ |
||
1727 | if (!ctx->has_stream_out) { |
||
1728 | assert(!"Streamout unsupported in util_blitter_clear_buffer()"); |
||
1729 | return; |
||
1730 | } |
||
1731 | |||
1732 | /* Some alignment is required. */ |
||
1733 | if (offset % 4 != 0 || size % 4 != 0) { |
||
1734 | assert(!"Bad alignment in util_blitter_clear_buffer()"); |
||
1735 | return; |
||
1736 | } |
||
1737 | |||
1738 | u_upload_data(ctx->upload, 0, num_channels*4, clear_value, |
||
1739 | &vb.buffer_offset, &vb.buffer); |
||
1740 | vb.stride = 0; |
||
1741 | |||
1742 | blitter_set_running_flag(ctx); |
||
1743 | blitter_check_saved_vertex_states(ctx); |
||
1744 | blitter_disable_render_cond(ctx); |
||
1745 | |||
1746 | pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); |
||
1747 | pipe->bind_vertex_elements_state(pipe, |
||
1748 | ctx->velem_state_readbuf[num_channels-1]); |
||
1749 | pipe->bind_vs_state(pipe, ctx->vs_pos_only); |
||
1750 | if (ctx->has_geometry_shader) |
||
1751 | pipe->bind_gs_state(pipe, NULL); |
||
1752 | pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); |
||
1753 | |||
1754 | so_target = pipe->create_stream_output_target(pipe, dst, offset, size); |
||
1755 | pipe->set_stream_output_targets(pipe, 1, &so_target, 0); |
||
1756 | |||
1757 | util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); |
||
1758 | |||
1759 | blitter_restore_vertex_states(ctx); |
||
1760 | blitter_restore_render_cond(ctx); |
||
1761 | blitter_unset_running_flag(ctx); |
||
1762 | pipe_so_target_reference(&so_target, NULL); |
||
1763 | pipe_resource_reference(&vb.buffer, NULL); |
||
1764 | } |
||
1765 | |||
1766 | /* probably radeon specific */ |
||
1767 | void util_blitter_custom_resolve_color(struct blitter_context *blitter, |
||
1768 | struct pipe_resource *dst, |
||
1769 | unsigned dst_level, |
||
1770 | unsigned dst_layer, |
||
1771 | struct pipe_resource *src, |
||
1772 | unsigned src_layer, |
||
1773 | unsigned sample_mask, |
||
1774 | void *custom_blend, |
||
1775 | enum pipe_format format) |
||
1776 | { |
||
1777 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1778 | struct pipe_context *pipe = ctx->base.pipe; |
||
1779 | struct pipe_framebuffer_state fb_state; |
||
1780 | struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; |
||
1781 | |||
1782 | blitter_set_running_flag(ctx); |
||
1783 | blitter_check_saved_vertex_states(ctx); |
||
1784 | blitter_check_saved_fragment_states(ctx); |
||
1785 | blitter_disable_render_cond(ctx); |
||
1786 | |||
1787 | /* bind states */ |
||
1788 | pipe->bind_blend_state(pipe, custom_blend); |
||
1789 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
1790 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1791 | ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
||
1792 | pipe->set_sample_mask(pipe, sample_mask); |
||
1793 | |||
1794 | memset(&surf_tmpl, 0, sizeof(surf_tmpl)); |
||
1795 | surf_tmpl.format = format; |
||
1796 | surf_tmpl.u.tex.level = dst_level; |
||
1797 | surf_tmpl.u.tex.first_layer = dst_layer; |
||
1798 | surf_tmpl.u.tex.last_layer = dst_layer; |
||
1799 | |||
1800 | dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); |
||
1801 | |||
1802 | surf_tmpl.u.tex.level = 0; |
||
1803 | surf_tmpl.u.tex.first_layer = src_layer; |
||
1804 | surf_tmpl.u.tex.last_layer = src_layer; |
||
1805 | |||
1806 | srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); |
||
1807 | |||
1808 | /* set a framebuffer state */ |
||
1809 | fb_state.width = src->width0; |
||
1810 | fb_state.height = src->height0; |
||
1811 | fb_state.nr_cbufs = 2; |
||
1812 | fb_state.cbufs[0] = srcsurf; |
||
1813 | fb_state.cbufs[1] = dstsurf; |
||
1814 | fb_state.zsbuf = NULL; |
||
1815 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1816 | |||
1817 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
1818 | blitter_set_dst_dimensions(ctx, src->width0, src->height0); |
||
1819 | blitter->draw_rectangle(blitter, 0, 0, src->width0, src->height0, |
||
1820 | 0, 0, NULL); |
||
1821 | blitter_restore_fb_state(ctx); |
||
1822 | blitter_restore_vertex_states(ctx); |
||
1823 | blitter_restore_fragment_states(ctx); |
||
1824 | blitter_restore_render_cond(ctx); |
||
1825 | blitter_unset_running_flag(ctx); |
||
1826 | |||
1827 | pipe_surface_reference(&srcsurf, NULL); |
||
1828 | pipe_surface_reference(&dstsurf, NULL); |
||
1829 | } |
||
1830 | |||
1831 | void util_blitter_custom_color(struct blitter_context *blitter, |
||
1832 | struct pipe_surface *dstsurf, |
||
1833 | void *custom_blend) |
||
1834 | { |
||
1835 | struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
||
1836 | struct pipe_context *pipe = ctx->base.pipe; |
||
1837 | struct pipe_framebuffer_state fb_state; |
||
1838 | |||
1839 | assert(dstsurf->texture); |
||
1840 | if (!dstsurf->texture) |
||
1841 | return; |
||
1842 | |||
1843 | /* check the saved state */ |
||
1844 | blitter_set_running_flag(ctx); |
||
1845 | blitter_check_saved_vertex_states(ctx); |
||
1846 | blitter_check_saved_fragment_states(ctx); |
||
1847 | blitter_check_saved_fb_state(ctx); |
||
1848 | blitter_disable_render_cond(ctx); |
||
1849 | |||
1850 | /* bind states */ |
||
1851 | pipe->bind_blend_state(pipe, custom_blend ? custom_blend |
||
1852 | : ctx->blend[PIPE_MASK_RGBA]); |
||
1853 | pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
||
1854 | ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
||
1855 | pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
||
1856 | pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); |
||
1857 | |||
1858 | /* set a framebuffer state */ |
||
1859 | fb_state.width = dstsurf->width; |
||
1860 | fb_state.height = dstsurf->height; |
||
1861 | fb_state.nr_cbufs = 1; |
||
1862 | fb_state.cbufs[0] = dstsurf; |
||
1863 | fb_state.zsbuf = 0; |
||
1864 | pipe->set_framebuffer_state(pipe, &fb_state); |
||
1865 | pipe->set_sample_mask(pipe, ~0); |
||
1866 | |||
1867 | blitter_set_common_draw_rect_state(ctx, FALSE); |
||
1868 | blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
||
1869 | blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height, |
||
1870 | 0, 0, NULL); |
||
1871 | |||
1872 | blitter_restore_vertex_states(ctx); |
||
1873 | blitter_restore_fragment_states(ctx); |
||
1874 | blitter_restore_fb_state(ctx); |
||
1875 | blitter_restore_render_cond(ctx); |
||
1876 | blitter_unset_running_flag(ctx); |
||
1877 | }><>=>>><>=>>=>=>>>=>=>>>>>>>>>>=>>>>>>>>=>>>>=>>>>>> |