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5564 | serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2007 VMware, Inc. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #include "util/u_rect.h" |
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29 | #include "util/u_surface.h" |
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30 | #include "lp_context.h" |
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31 | #include "lp_flush.h" |
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32 | #include "lp_limits.h" |
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33 | #include "lp_surface.h" |
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34 | #include "lp_texture.h" |
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35 | #include "lp_query.h" |
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36 | |||
37 | |||
38 | static void |
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39 | lp_resource_copy(struct pipe_context *pipe, |
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40 | struct pipe_resource *dst, unsigned dst_level, |
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41 | unsigned dstx, unsigned dsty, unsigned dstz, |
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42 | struct pipe_resource *src, unsigned src_level, |
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43 | const struct pipe_box *src_box) |
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44 | { |
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45 | struct llvmpipe_resource *src_tex = llvmpipe_resource(src); |
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46 | struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst); |
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47 | const enum pipe_format format = src_tex->base.format; |
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48 | unsigned width = src_box->width; |
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49 | unsigned height = src_box->height; |
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50 | unsigned depth = src_box->depth; |
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51 | |||
52 | llvmpipe_flush_resource(pipe, |
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53 | dst, dst_level, |
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54 | FALSE, /* read_only */ |
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55 | TRUE, /* cpu_access */ |
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56 | FALSE, /* do_not_block */ |
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57 | "blit dest"); |
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58 | |||
59 | llvmpipe_flush_resource(pipe, |
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60 | src, src_level, |
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61 | TRUE, /* read_only */ |
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62 | TRUE, /* cpu_access */ |
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63 | FALSE, /* do_not_block */ |
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64 | "blit src"); |
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65 | |||
66 | /* Fallback for buffers. */ |
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67 | if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { |
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68 | util_resource_copy_region(pipe, dst, dst_level, dstx, dsty, dstz, |
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69 | src, src_level, src_box); |
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70 | return; |
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71 | } |
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72 | |||
73 | /* |
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74 | printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n", |
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75 | src_tex->id, src_level, dst_tex->id, dst_level, |
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76 | src_box->x, src_box->y, src_box->z, dstx, dsty, dstz, |
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77 | src_box->width, src_box->height, src_box->depth); |
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78 | */ |
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79 | |||
80 | /* make sure display target resources (which cannot have levels/layers) are mapped */ |
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81 | if (src_tex->dt) |
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82 | (void) llvmpipe_resource_map(src, src_level, 0, LP_TEX_USAGE_READ); |
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83 | if (dst_tex->dt) |
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84 | /* |
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85 | * Could set this to WRITE_ALL if complete dst is covered but it gets |
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86 | * ignored anyway. |
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87 | */ |
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88 | (void) llvmpipe_resource_map(dst, dst_level, 0, LP_TEX_USAGE_READ_WRITE); |
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89 | |||
90 | |||
91 | /* copy */ |
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92 | { |
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93 | const ubyte *src_linear_ptr |
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94 | = llvmpipe_get_texture_image_address(src_tex, src_box->z, |
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95 | src_level); |
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96 | ubyte *dst_linear_ptr |
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97 | = llvmpipe_get_texture_image_address(dst_tex, dstz, |
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98 | dst_level); |
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99 | |||
100 | if (dst_linear_ptr && src_linear_ptr) { |
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101 | util_copy_box(dst_linear_ptr, format, |
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102 | llvmpipe_resource_stride(&dst_tex->base, dst_level), |
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103 | dst_tex->img_stride[dst_level], |
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104 | dstx, dsty, 0, |
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105 | width, height, depth, |
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106 | src_linear_ptr, |
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107 | llvmpipe_resource_stride(&src_tex->base, src_level), |
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108 | src_tex->img_stride[src_level], |
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109 | src_box->x, src_box->y, 0); |
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110 | } |
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111 | } |
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112 | |||
113 | if (src_tex->dt) |
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114 | llvmpipe_resource_unmap(src, 0, 0); |
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115 | if (dst_tex->dt) |
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116 | llvmpipe_resource_unmap(dst, 0, 0); |
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117 | |||
118 | } |
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119 | |||
120 | |||
121 | static void lp_blit(struct pipe_context *pipe, |
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122 | const struct pipe_blit_info *blit_info) |
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123 | { |
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124 | struct llvmpipe_context *lp = llvmpipe_context(pipe); |
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125 | struct pipe_blit_info info = *blit_info; |
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126 | |||
127 | if (blit_info->render_condition_enable && !llvmpipe_check_render_cond(lp)) |
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128 | return; |
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129 | |||
130 | if (info.src.resource->nr_samples > 1 && |
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131 | info.dst.resource->nr_samples <= 1 && |
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132 | !util_format_is_depth_or_stencil(info.src.resource->format) && |
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133 | !util_format_is_pure_integer(info.src.resource->format)) { |
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134 | debug_printf("llvmpipe: color resolve unimplemented\n"); |
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135 | return; |
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136 | } |
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137 | |||
138 | if (util_try_blit_via_copy_region(pipe, &info)) { |
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139 | return; /* done */ |
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140 | } |
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141 | |||
142 | if (info.mask & PIPE_MASK_S) { |
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143 | debug_printf("llvmpipe: cannot blit stencil, skipping\n"); |
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144 | info.mask &= ~PIPE_MASK_S; |
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145 | } |
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146 | |||
147 | if (!util_blitter_is_blit_supported(lp->blitter, &info)) { |
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148 | debug_printf("llvmpipe: blit unsupported %s -> %s\n", |
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149 | util_format_short_name(info.src.resource->format), |
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150 | util_format_short_name(info.dst.resource->format)); |
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151 | return; |
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152 | } |
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153 | |||
154 | /* XXX turn off occlusion and streamout queries */ |
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155 | |||
156 | util_blitter_save_vertex_buffer_slot(lp->blitter, lp->vertex_buffer); |
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157 | util_blitter_save_vertex_elements(lp->blitter, (void*)lp->velems); |
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158 | util_blitter_save_vertex_shader(lp->blitter, (void*)lp->vs); |
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159 | util_blitter_save_geometry_shader(lp->blitter, (void*)lp->gs); |
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160 | util_blitter_save_so_targets(lp->blitter, lp->num_so_targets, |
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161 | (struct pipe_stream_output_target**)lp->so_targets); |
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162 | util_blitter_save_rasterizer(lp->blitter, (void*)lp->rasterizer); |
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163 | util_blitter_save_viewport(lp->blitter, &lp->viewports[0]); |
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164 | util_blitter_save_scissor(lp->blitter, &lp->scissors[0]); |
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165 | util_blitter_save_fragment_shader(lp->blitter, lp->fs); |
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166 | util_blitter_save_blend(lp->blitter, (void*)lp->blend); |
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167 | util_blitter_save_depth_stencil_alpha(lp->blitter, (void*)lp->depth_stencil); |
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168 | util_blitter_save_stencil_ref(lp->blitter, &lp->stencil_ref); |
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169 | /*util_blitter_save_sample_mask(sp->blitter, lp->sample_mask);*/ |
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170 | util_blitter_save_framebuffer(lp->blitter, &lp->framebuffer); |
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171 | util_blitter_save_fragment_sampler_states(lp->blitter, |
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172 | lp->num_samplers[PIPE_SHADER_FRAGMENT], |
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173 | (void**)lp->samplers[PIPE_SHADER_FRAGMENT]); |
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174 | util_blitter_save_fragment_sampler_views(lp->blitter, |
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175 | lp->num_sampler_views[PIPE_SHADER_FRAGMENT], |
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176 | lp->sampler_views[PIPE_SHADER_FRAGMENT]); |
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177 | util_blitter_save_render_condition(lp->blitter, lp->render_cond_query, |
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178 | lp->render_cond_cond, lp->render_cond_mode); |
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179 | util_blitter_blit(lp->blitter, &info); |
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180 | } |
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181 | |||
182 | |||
183 | static void |
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184 | lp_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource) |
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185 | { |
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186 | } |
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187 | |||
188 | |||
189 | static struct pipe_surface * |
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190 | llvmpipe_create_surface(struct pipe_context *pipe, |
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191 | struct pipe_resource *pt, |
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192 | const struct pipe_surface *surf_tmpl) |
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193 | { |
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194 | struct pipe_surface *ps; |
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195 | |||
196 | if (!(pt->bind & (PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_RENDER_TARGET))) |
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197 | debug_printf("Illegal surface creation without bind flag\n"); |
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198 | |||
199 | ps = CALLOC_STRUCT(pipe_surface); |
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200 | if (ps) { |
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201 | pipe_reference_init(&ps->reference, 1); |
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202 | pipe_resource_reference(&ps->texture, pt); |
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203 | ps->context = pipe; |
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204 | ps->format = surf_tmpl->format; |
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205 | if (llvmpipe_resource_is_texture(pt)) { |
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206 | assert(surf_tmpl->u.tex.level <= pt->last_level); |
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207 | assert(surf_tmpl->u.tex.first_layer <= surf_tmpl->u.tex.last_layer); |
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208 | ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level); |
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209 | ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level); |
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210 | ps->u.tex.level = surf_tmpl->u.tex.level; |
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211 | ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer; |
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212 | ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer; |
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213 | } |
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214 | else { |
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215 | /* setting width as number of elements should get us correct renderbuffer width */ |
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216 | ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1; |
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217 | ps->height = pt->height0; |
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218 | ps->u.buf.first_element = surf_tmpl->u.buf.first_element; |
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219 | ps->u.buf.last_element = surf_tmpl->u.buf.last_element; |
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220 | assert(ps->u.buf.first_element <= ps->u.buf.last_element); |
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221 | assert(util_format_get_blocksize(surf_tmpl->format) * |
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222 | (ps->u.buf.last_element + 1) <= pt->width0); |
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223 | } |
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224 | } |
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225 | return ps; |
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226 | } |
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227 | |||
228 | |||
229 | static void |
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230 | llvmpipe_surface_destroy(struct pipe_context *pipe, |
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231 | struct pipe_surface *surf) |
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232 | { |
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233 | /* Effectively do the texture_update work here - if texture images |
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234 | * needed post-processing to put them into hardware layout, this is |
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235 | * where it would happen. For llvmpipe, nothing to do. |
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236 | */ |
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237 | assert(surf->texture); |
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238 | pipe_resource_reference(&surf->texture, NULL); |
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239 | FREE(surf); |
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240 | } |
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241 | |||
242 | |||
243 | static void |
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244 | llvmpipe_clear_render_target(struct pipe_context *pipe, |
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245 | struct pipe_surface *dst, |
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246 | const union pipe_color_union *color, |
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247 | unsigned dstx, unsigned dsty, |
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248 | unsigned width, unsigned height) |
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249 | { |
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250 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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251 | |||
252 | if (!llvmpipe_check_render_cond(llvmpipe)) |
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253 | return; |
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254 | |||
255 | util_clear_render_target(pipe, dst, color, |
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256 | dstx, dsty, width, height); |
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257 | } |
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258 | |||
259 | |||
260 | static void |
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261 | llvmpipe_clear_depth_stencil(struct pipe_context *pipe, |
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262 | struct pipe_surface *dst, |
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263 | unsigned clear_flags, |
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264 | double depth, |
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265 | unsigned stencil, |
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266 | unsigned dstx, unsigned dsty, |
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267 | unsigned width, unsigned height) |
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268 | { |
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269 | struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); |
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270 | |||
271 | if (!llvmpipe_check_render_cond(llvmpipe)) |
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272 | return; |
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273 | |||
274 | util_clear_depth_stencil(pipe, dst, clear_flags, |
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275 | depth, stencil, |
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276 | dstx, dsty, width, height); |
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277 | } |
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278 | |||
279 | |||
280 | void |
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281 | llvmpipe_init_surface_functions(struct llvmpipe_context *lp) |
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282 | { |
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283 | lp->pipe.clear_render_target = llvmpipe_clear_render_target; |
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284 | lp->pipe.clear_depth_stencil = llvmpipe_clear_depth_stencil; |
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285 | lp->pipe.create_surface = llvmpipe_create_surface; |
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286 | lp->pipe.surface_destroy = llvmpipe_surface_destroy; |
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287 | /* These two are not actually functions dealing with surfaces */ |
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288 | lp->pipe.resource_copy_region = lp_resource_copy; |
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289 | lp->pipe.blit = lp_blit; |
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290 | lp->pipe.flush_resource = lp_flush_resource; |
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291 | }=>=>=>=>=> |