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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
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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 TUNGSTEN GRAPHICS 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 | /** |
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| 29 | * @file |
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| 30 | * Copy/blit pixel rect between surfaces |
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| 31 | * |
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| 32 | * @author Brian Paul |
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| 33 | */ |
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| 34 | |||
| 35 | |||
| 36 | #include "pipe/p_context.h" |
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| 37 | #include "util/u_debug.h" |
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| 38 | #include "pipe/p_defines.h" |
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| 39 | #include "util/u_inlines.h" |
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| 40 | #include "pipe/p_shader_tokens.h" |
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| 41 | #include "pipe/p_state.h" |
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| 42 | |||
| 43 | #include "util/u_blit.h" |
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| 44 | #include "util/u_draw_quad.h" |
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| 45 | #include "util/u_format.h" |
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| 46 | #include "util/u_math.h" |
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| 47 | #include "util/u_memory.h" |
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| 48 | #include "util/u_sampler.h" |
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| 49 | #include "util/u_simple_shaders.h" |
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| 50 | |||
| 51 | #include "cso_cache/cso_context.h" |
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| 52 | |||
| 53 | |||
| 54 | struct blit_state |
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| 55 | { |
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| 56 | struct pipe_context *pipe; |
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| 57 | struct cso_context *cso; |
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| 58 | |||
| 59 | struct pipe_blend_state blend_write_color, blend_keep_color; |
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| 60 | struct pipe_depth_stencil_alpha_state dsa_keep_depthstencil; |
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| 61 | struct pipe_depth_stencil_alpha_state dsa_write_depthstencil; |
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| 62 | struct pipe_depth_stencil_alpha_state dsa_write_depth; |
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| 63 | struct pipe_depth_stencil_alpha_state dsa_write_stencil; |
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| 64 | struct pipe_rasterizer_state rasterizer; |
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| 65 | struct pipe_sampler_state sampler; |
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| 66 | struct pipe_viewport_state viewport; |
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| 67 | struct pipe_vertex_element velem[2]; |
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| 68 | enum pipe_texture_target internal_target; |
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| 69 | |||
| 70 | void *vs; |
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| 71 | void *fs[PIPE_MAX_TEXTURE_TYPES][TGSI_WRITEMASK_XYZW + 1]; |
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| 72 | void *fs_depthstencil[PIPE_MAX_TEXTURE_TYPES]; |
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| 73 | void *fs_depth[PIPE_MAX_TEXTURE_TYPES]; |
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| 74 | void *fs_stencil[PIPE_MAX_TEXTURE_TYPES]; |
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| 75 | |||
| 76 | struct pipe_resource *vbuf; /**< quad vertices */ |
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| 77 | unsigned vbuf_slot; |
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| 78 | |||
| 79 | float vertices[4][2][4]; /**< vertex/texcoords for quad */ |
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| 80 | |||
| 81 | boolean has_stencil_export; |
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| 82 | }; |
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| 83 | |||
| 84 | |||
| 85 | /** |
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| 86 | * Create state object for blit. |
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| 87 | * Intended to be created once and re-used for many blit() calls. |
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| 88 | */ |
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| 89 | struct blit_state * |
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| 90 | util_create_blit(struct pipe_context *pipe, struct cso_context *cso) |
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| 91 | { |
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| 92 | struct blit_state *ctx; |
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| 93 | uint i; |
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| 94 | |||
| 95 | ctx = CALLOC_STRUCT(blit_state); |
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| 96 | if (!ctx) |
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| 97 | return NULL; |
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| 98 | |||
| 99 | ctx->pipe = pipe; |
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| 100 | ctx->cso = cso; |
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| 101 | |||
| 102 | /* disabled blending/masking */ |
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| 103 | ctx->blend_write_color.rt[0].colormask = PIPE_MASK_RGBA; |
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| 104 | |||
| 105 | /* depth stencil states */ |
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| 106 | ctx->dsa_write_depth.depth.enabled = 1; |
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| 107 | ctx->dsa_write_depth.depth.writemask = 1; |
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| 108 | ctx->dsa_write_depth.depth.func = PIPE_FUNC_ALWAYS; |
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| 109 | ctx->dsa_write_stencil.stencil[0].enabled = 1; |
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| 110 | ctx->dsa_write_stencil.stencil[0].func = PIPE_FUNC_ALWAYS; |
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| 111 | ctx->dsa_write_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; |
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| 112 | ctx->dsa_write_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; |
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| 113 | ctx->dsa_write_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; |
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| 114 | ctx->dsa_write_stencil.stencil[0].valuemask = 0xff; |
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| 115 | ctx->dsa_write_stencil.stencil[0].writemask = 0xff; |
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| 116 | ctx->dsa_write_depthstencil.depth = ctx->dsa_write_depth.depth; |
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| 117 | ctx->dsa_write_depthstencil.stencil[0] = ctx->dsa_write_stencil.stencil[0]; |
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| 118 | |||
| 119 | /* rasterizer */ |
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| 120 | ctx->rasterizer.cull_face = PIPE_FACE_NONE; |
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| 121 | ctx->rasterizer.half_pixel_center = 1; |
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| 122 | ctx->rasterizer.bottom_edge_rule = 1; |
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| 123 | ctx->rasterizer.depth_clip = 1; |
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| 124 | |||
| 125 | /* samplers */ |
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| 126 | ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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| 127 | ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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| 128 | ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
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| 129 | ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
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| 130 | ctx->sampler.min_img_filter = 0; /* set later */ |
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| 131 | ctx->sampler.mag_img_filter = 0; /* set later */ |
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| 132 | |||
| 133 | /* vertex elements state */ |
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| 134 | for (i = 0; i < 2; i++) { |
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| 135 | ctx->velem[i].src_offset = i * 4 * sizeof(float); |
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| 136 | ctx->velem[i].instance_divisor = 0; |
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| 137 | ctx->velem[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso); |
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| 138 | ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
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| 139 | } |
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| 140 | |||
| 141 | ctx->vbuf = NULL; |
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| 142 | |||
| 143 | /* init vertex data that doesn't change */ |
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| 144 | for (i = 0; i < 4; i++) { |
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| 145 | ctx->vertices[i][0][3] = 1.0f; /* w */ |
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| 146 | ctx->vertices[i][1][2] = 0.0f; /* r */ |
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| 147 | ctx->vertices[i][1][3] = 1.0f; /* q */ |
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| 148 | } |
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| 149 | |||
| 150 | if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) |
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| 151 | ctx->internal_target = PIPE_TEXTURE_2D; |
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| 152 | else |
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| 153 | ctx->internal_target = PIPE_TEXTURE_RECT; |
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| 154 | |||
| 155 | ctx->has_stencil_export = |
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| 156 | pipe->screen->get_param(pipe->screen, PIPE_CAP_SHADER_STENCIL_EXPORT); |
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| 157 | |||
| 158 | return ctx; |
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| 159 | } |
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| 160 | |||
| 161 | |||
| 162 | /** |
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| 163 | * Destroy a blit context |
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| 164 | */ |
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| 165 | void |
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| 166 | util_destroy_blit(struct blit_state *ctx) |
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| 167 | { |
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| 168 | struct pipe_context *pipe = ctx->pipe; |
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| 169 | unsigned i, j; |
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| 170 | |||
| 171 | if (ctx->vs) |
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| 172 | pipe->delete_vs_state(pipe, ctx->vs); |
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| 173 | |||
| 174 | for (i = 0; i < Elements(ctx->fs); i++) { |
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| 175 | for (j = 0; j < Elements(ctx->fs[i]); j++) { |
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| 176 | if (ctx->fs[i][j]) |
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| 177 | pipe->delete_fs_state(pipe, ctx->fs[i][j]); |
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| 178 | } |
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| 179 | } |
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| 180 | |||
| 181 | for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { |
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| 182 | if (ctx->fs_depthstencil[i]) { |
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| 183 | pipe->delete_fs_state(pipe, ctx->fs_depthstencil[i]); |
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| 184 | } |
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| 185 | if (ctx->fs_depth[i]) { |
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| 186 | pipe->delete_fs_state(pipe, ctx->fs_depth[i]); |
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| 187 | } |
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| 188 | if (ctx->fs_stencil[i]) { |
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| 189 | pipe->delete_fs_state(pipe, ctx->fs_stencil[i]); |
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| 190 | } |
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| 191 | } |
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| 192 | |||
| 193 | pipe_resource_reference(&ctx->vbuf, NULL); |
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| 194 | |||
| 195 | FREE(ctx); |
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| 196 | } |
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| 197 | |||
| 198 | |||
| 199 | /** |
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| 200 | * Helper function to set the fragment shaders. |
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| 201 | */ |
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| 202 | static INLINE void |
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| 203 | set_fragment_shader(struct blit_state *ctx, uint writemask, |
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| 204 | enum pipe_texture_target pipe_tex) |
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| 205 | { |
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| 206 | if (!ctx->fs[pipe_tex][writemask]) { |
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| 207 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0); |
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| 208 | |||
| 209 | ctx->fs[pipe_tex][writemask] = |
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| 210 | util_make_fragment_tex_shader_writemask(ctx->pipe, tgsi_tex, |
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| 211 | TGSI_INTERPOLATE_LINEAR, |
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| 212 | writemask); |
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| 213 | } |
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| 214 | |||
| 215 | cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][writemask]); |
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| 216 | } |
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| 217 | |||
| 218 | |||
| 219 | /** |
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| 220 | * Helper function to set the shader which writes depth and stencil. |
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| 221 | */ |
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| 222 | static INLINE void |
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| 223 | set_depthstencil_fragment_shader(struct blit_state *ctx, |
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| 224 | enum pipe_texture_target pipe_tex) |
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| 225 | { |
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| 226 | if (!ctx->fs_depthstencil[pipe_tex]) { |
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| 227 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0); |
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| 228 | |||
| 229 | ctx->fs_depthstencil[pipe_tex] = |
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| 230 | util_make_fragment_tex_shader_writedepthstencil(ctx->pipe, tgsi_tex, |
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| 231 | TGSI_INTERPOLATE_LINEAR); |
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| 232 | } |
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| 233 | |||
| 234 | cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depthstencil[pipe_tex]); |
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| 235 | } |
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| 236 | |||
| 237 | |||
| 238 | /** |
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| 239 | * Helper function to set the shader which writes depth. |
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| 240 | */ |
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| 241 | static INLINE void |
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| 242 | set_depth_fragment_shader(struct blit_state *ctx, |
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| 243 | enum pipe_texture_target pipe_tex) |
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| 244 | { |
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| 245 | if (!ctx->fs_depth[pipe_tex]) { |
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| 246 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0); |
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| 247 | |||
| 248 | ctx->fs_depth[pipe_tex] = |
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| 249 | util_make_fragment_tex_shader_writedepth(ctx->pipe, tgsi_tex, |
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| 250 | TGSI_INTERPOLATE_LINEAR); |
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| 251 | } |
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| 252 | |||
| 253 | cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth[pipe_tex]); |
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| 254 | } |
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| 255 | |||
| 256 | |||
| 257 | /** |
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| 258 | * Helper function to set the shader which writes stencil. |
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| 259 | */ |
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| 260 | static INLINE void |
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| 261 | set_stencil_fragment_shader(struct blit_state *ctx, |
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| 262 | enum pipe_texture_target pipe_tex) |
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| 263 | { |
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| 264 | if (!ctx->fs_stencil[pipe_tex]) { |
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| 265 | unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0); |
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| 266 | |||
| 267 | ctx->fs_stencil[pipe_tex] = |
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| 268 | util_make_fragment_tex_shader_writestencil(ctx->pipe, tgsi_tex, |
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| 269 | TGSI_INTERPOLATE_LINEAR); |
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| 270 | } |
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| 271 | |||
| 272 | cso_set_fragment_shader_handle(ctx->cso, ctx->fs_stencil[pipe_tex]); |
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| 273 | } |
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| 274 | |||
| 275 | |||
| 276 | /** |
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| 277 | * Helper function to set the vertex shader. |
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| 278 | */ |
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| 279 | static INLINE void |
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| 280 | set_vertex_shader(struct blit_state *ctx) |
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| 281 | { |
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| 282 | /* vertex shader - still required to provide the linkage between |
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| 283 | * fragment shader input semantics and vertex_element/buffers. |
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| 284 | */ |
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| 285 | if (!ctx->vs) { |
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| 286 | const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, |
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| 287 | TGSI_SEMANTIC_GENERIC }; |
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| 288 | const uint semantic_indexes[] = { 0, 0 }; |
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| 289 | ctx->vs = util_make_vertex_passthrough_shader(ctx->pipe, 2, |
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| 290 | semantic_names, |
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| 291 | semantic_indexes); |
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| 292 | } |
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| 293 | |||
| 294 | cso_set_vertex_shader_handle(ctx->cso, ctx->vs); |
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| 295 | } |
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| 296 | |||
| 297 | |||
| 298 | /** |
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| 299 | * Get offset of next free slot in vertex buffer for quad vertices. |
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| 300 | */ |
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| 301 | static unsigned |
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| 302 | get_next_slot( struct blit_state *ctx ) |
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| 303 | { |
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| 304 | const unsigned max_slots = 4096 / sizeof ctx->vertices; |
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| 305 | |||
| 306 | if (ctx->vbuf_slot >= max_slots) { |
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| 307 | pipe_resource_reference(&ctx->vbuf, NULL); |
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| 308 | ctx->vbuf_slot = 0; |
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| 309 | } |
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| 310 | |||
| 311 | if (!ctx->vbuf) { |
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| 312 | ctx->vbuf = pipe_buffer_create(ctx->pipe->screen, |
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| 313 | PIPE_BIND_VERTEX_BUFFER, |
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| 314 | PIPE_USAGE_STREAM, |
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| 315 | max_slots * sizeof ctx->vertices); |
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| 316 | } |
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| 317 | |||
| 318 | return ctx->vbuf_slot++ * sizeof ctx->vertices; |
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| 319 | } |
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| 320 | |||
| 321 | |||
| 322 | |||
| 323 | |||
| 324 | /** |
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| 325 | * Setup vertex data for the textured quad we'll draw. |
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| 326 | * Note: y=0=top |
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| 327 | */ |
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| 328 | static unsigned |
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| 329 | setup_vertex_data_tex(struct blit_state *ctx, |
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| 330 | float x0, float y0, float x1, float y1, |
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| 331 | float s0, float t0, float s1, float t1, |
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| 332 | float z) |
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| 333 | { |
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| 334 | unsigned offset; |
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| 335 | |||
| 336 | ctx->vertices[0][0][0] = x0; |
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| 337 | ctx->vertices[0][0][1] = y0; |
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| 338 | ctx->vertices[0][0][2] = z; |
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| 339 | ctx->vertices[0][1][0] = s0; /*s*/ |
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| 340 | ctx->vertices[0][1][1] = t0; /*t*/ |
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| 341 | |||
| 342 | ctx->vertices[1][0][0] = x1; |
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| 343 | ctx->vertices[1][0][1] = y0; |
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| 344 | ctx->vertices[1][0][2] = z; |
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| 345 | ctx->vertices[1][1][0] = s1; /*s*/ |
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| 346 | ctx->vertices[1][1][1] = t0; /*t*/ |
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| 347 | |||
| 348 | ctx->vertices[2][0][0] = x1; |
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| 349 | ctx->vertices[2][0][1] = y1; |
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| 350 | ctx->vertices[2][0][2] = z; |
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| 351 | ctx->vertices[2][1][0] = s1; |
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| 352 | ctx->vertices[2][1][1] = t1; |
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| 353 | |||
| 354 | ctx->vertices[3][0][0] = x0; |
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| 355 | ctx->vertices[3][0][1] = y1; |
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| 356 | ctx->vertices[3][0][2] = z; |
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| 357 | ctx->vertices[3][1][0] = s0; |
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| 358 | ctx->vertices[3][1][1] = t1; |
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| 359 | |||
| 360 | offset = get_next_slot( ctx ); |
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| 361 | |||
| 362 | if (ctx->vbuf) { |
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| 363 | pipe_buffer_write_nooverlap(ctx->pipe, ctx->vbuf, |
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| 364 | offset, sizeof(ctx->vertices), ctx->vertices); |
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| 365 | } |
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| 366 | |||
| 367 | return offset; |
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| 368 | } |
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| 369 | |||
| 370 | |||
| 371 | /** |
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| 372 | * \return TRUE if two regions overlap, FALSE otherwise |
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| 373 | */ |
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| 374 | static boolean |
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| 375 | regions_overlap(int srcX0, int srcY0, |
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| 376 | int srcX1, int srcY1, |
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| 377 | int dstX0, int dstY0, |
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| 378 | int dstX1, int dstY1) |
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| 379 | { |
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| 380 | if (MAX2(srcX0, srcX1) < MIN2(dstX0, dstX1)) |
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| 381 | return FALSE; /* src completely left of dst */ |
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| 382 | |||
| 383 | if (MAX2(dstX0, dstX1) < MIN2(srcX0, srcX1)) |
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| 384 | return FALSE; /* dst completely left of src */ |
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| 385 | |||
| 386 | if (MAX2(srcY0, srcY1) < MIN2(dstY0, dstY1)) |
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| 387 | return FALSE; /* src completely above dst */ |
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| 388 | |||
| 389 | if (MAX2(dstY0, dstY1) < MIN2(srcY0, srcY1)) |
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| 390 | return FALSE; /* dst completely above src */ |
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| 391 | |||
| 392 | return TRUE; /* some overlap */ |
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| 393 | } |
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| 394 | |||
| 395 | |||
| 396 | /** |
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| 397 | * Can we blit from src format to dest format with a simple copy? |
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| 398 | */ |
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| 399 | static boolean |
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| 400 | formats_compatible(enum pipe_format src_format, |
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| 401 | enum pipe_format dst_format) |
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| 402 | { |
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| 403 | if (src_format == dst_format) { |
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| 404 | return TRUE; |
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| 405 | } |
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| 406 | else { |
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| 407 | const struct util_format_description *src_desc = |
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| 408 | util_format_description(src_format); |
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| 409 | const struct util_format_description *dst_desc = |
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| 410 | util_format_description(dst_format); |
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| 411 | return util_is_format_compatible(src_desc, dst_desc); |
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| 412 | } |
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| 413 | } |
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| 414 | |||
| 415 | |||
| 416 | /** |
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| 417 | * Copy pixel block from src surface to dst surface. |
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| 418 | * Overlapping regions are acceptable. |
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| 419 | * Flipping and stretching are supported. |
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| 420 | * \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR |
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| 421 | * \param writemask controls which channels in the dest surface are sourced |
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| 422 | * from the src surface. Disabled channels are sourced |
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| 423 | * from (0,0,0,1). |
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| 424 | */ |
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| 425 | void |
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| 426 | util_blit_pixels(struct blit_state *ctx, |
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| 427 | struct pipe_resource *src_tex, |
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| 428 | unsigned src_level, |
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| 429 | int srcX0, int srcY0, |
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| 430 | int srcX1, int srcY1, |
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| 431 | int srcZ0, |
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| 432 | struct pipe_surface *dst, |
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| 433 | int dstX0, int dstY0, |
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| 434 | int dstX1, int dstY1, |
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| 435 | float z, uint filter, |
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| 436 | uint writemask, uint zs_writemask) |
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| 437 | { |
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| 438 | struct pipe_context *pipe = ctx->pipe; |
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| 439 | struct pipe_screen *screen = pipe->screen; |
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| 440 | enum pipe_format src_format, dst_format; |
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| 441 | struct pipe_sampler_view *sampler_view = NULL; |
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| 442 | struct pipe_sampler_view sv_templ; |
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| 443 | struct pipe_surface *dst_surface; |
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| 444 | struct pipe_framebuffer_state fb; |
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| 445 | const int srcW = abs(srcX1 - srcX0); |
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| 446 | const int srcH = abs(srcY1 - srcY0); |
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| 447 | unsigned offset; |
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| 448 | boolean overlap; |
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| 449 | float s0, t0, s1, t1; |
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| 450 | boolean normalized; |
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| 451 | boolean is_stencil, is_depth, blit_depth, blit_stencil; |
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| 452 | const struct util_format_description *src_desc = |
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| 453 | util_format_description(src_tex->format); |
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| 454 | |||
| 455 | assert(filter == PIPE_TEX_MIPFILTER_NEAREST || |
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| 456 | filter == PIPE_TEX_MIPFILTER_LINEAR); |
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| 457 | |||
| 458 | assert(src_level <= src_tex->last_level); |
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| 459 | |||
| 460 | /* do the regions overlap? */ |
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| 461 | overlap = src_tex == dst->texture && |
||
| 462 | dst->u.tex.level == src_level && |
||
| 463 | dst->u.tex.first_layer == srcZ0 && |
||
| 464 | regions_overlap(srcX0, srcY0, srcX1, srcY1, |
||
| 465 | dstX0, dstY0, dstX1, dstY1); |
||
| 466 | |||
| 467 | src_format = util_format_linear(src_tex->format); |
||
| 468 | dst_format = util_format_linear(dst->texture->format); |
||
| 469 | |||
| 470 | /* See whether we will blit depth or stencil. */ |
||
| 471 | is_depth = util_format_has_depth(src_desc); |
||
| 472 | is_stencil = util_format_has_stencil(src_desc); |
||
| 473 | |||
| 474 | blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z); |
||
| 475 | blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL); |
||
| 476 | |||
| 477 | assert((writemask && !zs_writemask && !is_depth && !is_stencil) || |
||
| 478 | (!writemask && (blit_depth || blit_stencil))); |
||
| 479 | |||
| 480 | /* |
||
| 481 | * Check for simple case: no format conversion, no flipping, no stretching, |
||
| 482 | * no overlapping, same number of samples. |
||
| 483 | * Filter mode should not matter since there's no stretching. |
||
| 484 | */ |
||
| 485 | if (formats_compatible(src_format, dst_format) && |
||
| 486 | src_tex->nr_samples == dst->texture->nr_samples && |
||
| 487 | is_stencil == blit_stencil && |
||
| 488 | is_depth == blit_depth && |
||
| 489 | srcX0 < srcX1 && |
||
| 490 | dstX0 < dstX1 && |
||
| 491 | srcY0 < srcY1 && |
||
| 492 | dstY0 < dstY1 && |
||
| 493 | (dstX1 - dstX0) == (srcX1 - srcX0) && |
||
| 494 | (dstY1 - dstY0) == (srcY1 - srcY0) && |
||
| 495 | !overlap) { |
||
| 496 | struct pipe_box src_box; |
||
| 497 | src_box.x = srcX0; |
||
| 498 | src_box.y = srcY0; |
||
| 499 | src_box.z = srcZ0; |
||
| 500 | src_box.width = srcW; |
||
| 501 | src_box.height = srcH; |
||
| 502 | src_box.depth = 1; |
||
| 503 | pipe->resource_copy_region(pipe, |
||
| 504 | dst->texture, dst->u.tex.level, |
||
| 505 | dstX0, dstY0, dst->u.tex.first_layer,/* dest */ |
||
| 506 | src_tex, src_level, |
||
| 507 | &src_box); |
||
| 508 | return; |
||
| 509 | } |
||
| 510 | |||
| 511 | /* XXX Reading multisample textures is unimplemented. */ |
||
| 512 | assert(src_tex->nr_samples <= 1); |
||
| 513 | if (src_tex->nr_samples > 1) { |
||
| 514 | return; |
||
| 515 | } |
||
| 516 | |||
| 517 | /* It's a mistake to call this function with a stencil format and |
||
| 518 | * without shader stencil export. We don't do software fallbacks here. |
||
| 519 | * Ignore stencil and only copy depth. |
||
| 520 | */ |
||
| 521 | if (blit_stencil && !ctx->has_stencil_export) { |
||
| 522 | blit_stencil = FALSE; |
||
| 523 | |||
| 524 | if (!blit_depth) |
||
| 525 | return; |
||
| 526 | } |
||
| 527 | |||
| 528 | if (dst_format == dst->format) { |
||
| 529 | dst_surface = dst; |
||
| 530 | } else { |
||
| 531 | struct pipe_surface templ = *dst; |
||
| 532 | templ.format = dst_format; |
||
| 533 | dst_surface = pipe->create_surface(pipe, dst->texture, &templ); |
||
| 534 | } |
||
| 535 | |||
| 536 | /* Create a temporary texture when src and dest alias. |
||
| 537 | */ |
||
| 538 | if (src_tex == dst_surface->texture && |
||
| 539 | dst_surface->u.tex.level == src_level && |
||
| 540 | dst_surface->u.tex.first_layer == srcZ0) { |
||
| 541 | /* Make a temporary texture which contains a copy of the source pixels. |
||
| 542 | * Then we'll sample from the temporary texture. |
||
| 543 | */ |
||
| 544 | struct pipe_resource texTemp; |
||
| 545 | struct pipe_resource *tex; |
||
| 546 | struct pipe_sampler_view sv_templ; |
||
| 547 | struct pipe_box src_box; |
||
| 548 | const int srcLeft = MIN2(srcX0, srcX1); |
||
| 549 | const int srcTop = MIN2(srcY0, srcY1); |
||
| 550 | |||
| 551 | if (srcLeft != srcX0) { |
||
| 552 | /* left-right flip */ |
||
| 553 | int tmp = dstX0; |
||
| 554 | dstX0 = dstX1; |
||
| 555 | dstX1 = tmp; |
||
| 556 | } |
||
| 557 | |||
| 558 | if (srcTop != srcY0) { |
||
| 559 | /* up-down flip */ |
||
| 560 | int tmp = dstY0; |
||
| 561 | dstY0 = dstY1; |
||
| 562 | dstY1 = tmp; |
||
| 563 | } |
||
| 564 | |||
| 565 | /* create temp texture */ |
||
| 566 | memset(&texTemp, 0, sizeof(texTemp)); |
||
| 567 | texTemp.target = ctx->internal_target; |
||
| 568 | texTemp.format = src_format; |
||
| 569 | texTemp.last_level = 0; |
||
| 570 | texTemp.width0 = srcW; |
||
| 571 | texTemp.height0 = srcH; |
||
| 572 | texTemp.depth0 = 1; |
||
| 573 | texTemp.array_size = 1; |
||
| 574 | texTemp.bind = PIPE_BIND_SAMPLER_VIEW; |
||
| 575 | |||
| 576 | tex = screen->resource_create(screen, &texTemp); |
||
| 577 | if (!tex) |
||
| 578 | return; |
||
| 579 | |||
| 580 | src_box.x = srcLeft; |
||
| 581 | src_box.y = srcTop; |
||
| 582 | src_box.z = srcZ0; |
||
| 583 | src_box.width = srcW; |
||
| 584 | src_box.height = srcH; |
||
| 585 | src_box.depth = 1; |
||
| 586 | /* load temp texture */ |
||
| 587 | pipe->resource_copy_region(pipe, |
||
| 588 | tex, 0, 0, 0, 0, /* dest */ |
||
| 589 | src_tex, src_level, &src_box); |
||
| 590 | |||
| 591 | normalized = tex->target != PIPE_TEXTURE_RECT; |
||
| 592 | if(normalized) { |
||
| 593 | s0 = 0.0f; |
||
| 594 | s1 = 1.0f; |
||
| 595 | t0 = 0.0f; |
||
| 596 | t1 = 1.0f; |
||
| 597 | } |
||
| 598 | else { |
||
| 599 | s0 = 0.0f; |
||
| 600 | s1 = (float) srcW; |
||
| 601 | t0 = 0.0f; |
||
| 602 | t1 = (float) srcH; |
||
| 603 | } |
||
| 604 | |||
| 605 | u_sampler_view_default_template(&sv_templ, tex, tex->format); |
||
| 606 | if (!blit_depth && blit_stencil) { |
||
| 607 | /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ |
||
| 608 | sv_templ.format = util_format_stencil_only(tex->format); |
||
| 609 | assert(sv_templ.format != PIPE_FORMAT_NONE); |
||
| 610 | } |
||
| 611 | sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ); |
||
| 612 | |||
| 613 | if (!sampler_view) { |
||
| 614 | pipe_resource_reference(&tex, NULL); |
||
| 615 | return; |
||
| 616 | } |
||
| 617 | pipe_resource_reference(&tex, NULL); |
||
| 618 | } |
||
| 619 | else { |
||
| 620 | /* Directly sample from the source resource/texture */ |
||
| 621 | u_sampler_view_default_template(&sv_templ, src_tex, src_format); |
||
| 622 | if (!blit_depth && blit_stencil) { |
||
| 623 | /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ |
||
| 624 | sv_templ.format = util_format_stencil_only(src_format); |
||
| 625 | assert(sv_templ.format != PIPE_FORMAT_NONE); |
||
| 626 | } |
||
| 627 | sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ); |
||
| 628 | |||
| 629 | if (!sampler_view) { |
||
| 630 | return; |
||
| 631 | } |
||
| 632 | |||
| 633 | s0 = (float) srcX0; |
||
| 634 | s1 = (float) srcX1; |
||
| 635 | t0 = (float) srcY0; |
||
| 636 | t1 = (float) srcY1; |
||
| 637 | normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT; |
||
| 638 | if(normalized) |
||
| 639 | { |
||
| 640 | s0 /= (float)(u_minify(sampler_view->texture->width0, src_level)); |
||
| 641 | s1 /= (float)(u_minify(sampler_view->texture->width0, src_level)); |
||
| 642 | t0 /= (float)(u_minify(sampler_view->texture->height0, src_level)); |
||
| 643 | t1 /= (float)(u_minify(sampler_view->texture->height0, src_level)); |
||
| 644 | } |
||
| 645 | } |
||
| 646 | |||
| 647 | assert(screen->is_format_supported(screen, sampler_view->format, |
||
| 648 | ctx->internal_target, sampler_view->texture->nr_samples, |
||
| 649 | PIPE_BIND_SAMPLER_VIEW)); |
||
| 650 | assert(screen->is_format_supported(screen, dst_format, ctx->internal_target, |
||
| 651 | dst_surface->texture->nr_samples, |
||
| 652 | is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL : |
||
| 653 | PIPE_BIND_RENDER_TARGET)); |
||
| 654 | |||
| 655 | /* save state (restored below) */ |
||
| 656 | cso_save_blend(ctx->cso); |
||
| 657 | cso_save_depth_stencil_alpha(ctx->cso); |
||
| 658 | cso_save_rasterizer(ctx->cso); |
||
| 659 | cso_save_sample_mask(ctx->cso); |
||
| 660 | cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 661 | cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 662 | cso_save_stream_outputs(ctx->cso); |
||
| 663 | cso_save_viewport(ctx->cso); |
||
| 664 | cso_save_framebuffer(ctx->cso); |
||
| 665 | cso_save_fragment_shader(ctx->cso); |
||
| 666 | cso_save_vertex_shader(ctx->cso); |
||
| 667 | cso_save_geometry_shader(ctx->cso); |
||
| 668 | cso_save_vertex_elements(ctx->cso); |
||
| 669 | cso_save_aux_vertex_buffer_slot(ctx->cso); |
||
| 670 | cso_save_render_condition(ctx->cso); |
||
| 671 | |||
| 672 | /* set misc state we care about */ |
||
| 673 | if (writemask) |
||
| 674 | cso_set_blend(ctx->cso, &ctx->blend_write_color); |
||
| 675 | else |
||
| 676 | cso_set_blend(ctx->cso, &ctx->blend_keep_color); |
||
| 677 | |||
| 678 | cso_set_sample_mask(ctx->cso, ~0); |
||
| 679 | cso_set_rasterizer(ctx->cso, &ctx->rasterizer); |
||
| 680 | cso_set_vertex_elements(ctx->cso, 2, ctx->velem); |
||
| 681 | cso_set_stream_outputs(ctx->cso, 0, NULL, 0); |
||
| 682 | cso_set_render_condition(ctx->cso, NULL, FALSE, 0); |
||
| 683 | |||
| 684 | /* default sampler state */ |
||
| 685 | ctx->sampler.normalized_coords = normalized; |
||
| 686 | ctx->sampler.min_img_filter = filter; |
||
| 687 | ctx->sampler.mag_img_filter = filter; |
||
| 688 | ctx->sampler.min_lod = (float) src_level; |
||
| 689 | ctx->sampler.max_lod = (float) src_level; |
||
| 690 | |||
| 691 | /* Depth stencil state, fragment shader and sampler setup depending on what |
||
| 692 | * we blit. |
||
| 693 | */ |
||
| 694 | if (blit_depth && blit_stencil) { |
||
| 695 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); |
||
| 696 | /* don't filter stencil */ |
||
| 697 | ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
||
| 698 | ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
||
| 699 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &ctx->sampler); |
||
| 700 | |||
| 701 | cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depthstencil); |
||
| 702 | set_depthstencil_fragment_shader(ctx, sampler_view->texture->target); |
||
| 703 | } |
||
| 704 | else if (blit_depth) { |
||
| 705 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); |
||
| 706 | cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depth); |
||
| 707 | set_depth_fragment_shader(ctx, sampler_view->texture->target); |
||
| 708 | } |
||
| 709 | else if (blit_stencil) { |
||
| 710 | /* don't filter stencil */ |
||
| 711 | ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
||
| 712 | ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
||
| 713 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); |
||
| 714 | |||
| 715 | cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_stencil); |
||
| 716 | set_stencil_fragment_shader(ctx, sampler_view->texture->target); |
||
| 717 | } |
||
| 718 | else { /* color */ |
||
| 719 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); |
||
| 720 | cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); |
||
| 721 | set_fragment_shader(ctx, writemask, sampler_view->texture->target); |
||
| 722 | } |
||
| 723 | cso_single_sampler_done(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 724 | |||
| 725 | /* textures */ |
||
| 726 | if (blit_depth && blit_stencil) { |
||
| 727 | /* Setup two samplers, one for depth and the other one for stencil. */ |
||
| 728 | struct pipe_sampler_view templ; |
||
| 729 | struct pipe_sampler_view *views[2]; |
||
| 730 | |||
| 731 | templ = *sampler_view; |
||
| 732 | templ.format = util_format_stencil_only(templ.format); |
||
| 733 | assert(templ.format != PIPE_FORMAT_NONE); |
||
| 734 | |||
| 735 | views[0] = sampler_view; |
||
| 736 | views[1] = pipe->create_sampler_view(pipe, views[0]->texture, &templ); |
||
| 737 | cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 2, views); |
||
| 738 | |||
| 739 | pipe_sampler_view_reference(&views[1], NULL); |
||
| 740 | } |
||
| 741 | else { |
||
| 742 | cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &sampler_view); |
||
| 743 | } |
||
| 744 | |||
| 745 | /* viewport */ |
||
| 746 | ctx->viewport.scale[0] = 0.5f * dst_surface->width; |
||
| 747 | ctx->viewport.scale[1] = 0.5f * dst_surface->height; |
||
| 748 | ctx->viewport.scale[2] = 0.5f; |
||
| 749 | ctx->viewport.scale[3] = 1.0f; |
||
| 750 | ctx->viewport.translate[0] = 0.5f * dst_surface->width; |
||
| 751 | ctx->viewport.translate[1] = 0.5f * dst_surface->height; |
||
| 752 | ctx->viewport.translate[2] = 0.5f; |
||
| 753 | ctx->viewport.translate[3] = 0.0f; |
||
| 754 | cso_set_viewport(ctx->cso, &ctx->viewport); |
||
| 755 | |||
| 756 | set_vertex_shader(ctx); |
||
| 757 | cso_set_geometry_shader_handle(ctx->cso, NULL); |
||
| 758 | |||
| 759 | /* drawing dest */ |
||
| 760 | memset(&fb, 0, sizeof(fb)); |
||
| 761 | fb.width = dst_surface->width; |
||
| 762 | fb.height = dst_surface->height; |
||
| 763 | if (blit_depth || blit_stencil) { |
||
| 764 | fb.zsbuf = dst_surface; |
||
| 765 | } else { |
||
| 766 | fb.nr_cbufs = 1; |
||
| 767 | fb.cbufs[0] = dst_surface; |
||
| 768 | } |
||
| 769 | cso_set_framebuffer(ctx->cso, &fb); |
||
| 770 | |||
| 771 | /* draw quad */ |
||
| 772 | offset = setup_vertex_data_tex(ctx, |
||
| 773 | (float) dstX0 / dst_surface->width * 2.0f - 1.0f, |
||
| 774 | (float) dstY0 / dst_surface->height * 2.0f - 1.0f, |
||
| 775 | (float) dstX1 / dst_surface->width * 2.0f - 1.0f, |
||
| 776 | (float) dstY1 / dst_surface->height * 2.0f - 1.0f, |
||
| 777 | s0, t0, |
||
| 778 | s1, t1, |
||
| 779 | z); |
||
| 780 | |||
| 781 | if (ctx->vbuf) { |
||
| 782 | util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, |
||
| 783 | cso_get_aux_vertex_buffer_slot(ctx->cso), |
||
| 784 | offset, |
||
| 785 | PIPE_PRIM_TRIANGLE_FAN, |
||
| 786 | 4, /* verts */ |
||
| 787 | 2); /* attribs/vert */ |
||
| 788 | } |
||
| 789 | |||
| 790 | /* restore state we changed */ |
||
| 791 | cso_restore_blend(ctx->cso); |
||
| 792 | cso_restore_depth_stencil_alpha(ctx->cso); |
||
| 793 | cso_restore_rasterizer(ctx->cso); |
||
| 794 | cso_restore_sample_mask(ctx->cso); |
||
| 795 | cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 796 | cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 797 | cso_restore_viewport(ctx->cso); |
||
| 798 | cso_restore_framebuffer(ctx->cso); |
||
| 799 | cso_restore_fragment_shader(ctx->cso); |
||
| 800 | cso_restore_vertex_shader(ctx->cso); |
||
| 801 | cso_restore_geometry_shader(ctx->cso); |
||
| 802 | cso_restore_vertex_elements(ctx->cso); |
||
| 803 | cso_restore_aux_vertex_buffer_slot(ctx->cso); |
||
| 804 | cso_restore_stream_outputs(ctx->cso); |
||
| 805 | cso_restore_render_condition(ctx->cso); |
||
| 806 | |||
| 807 | pipe_sampler_view_reference(&sampler_view, NULL); |
||
| 808 | if (dst_surface != dst) |
||
| 809 | pipe_surface_reference(&dst_surface, NULL); |
||
| 810 | } |
||
| 811 | |||
| 812 | |||
| 813 | /** |
||
| 814 | * Copy pixel block from src texture to dst surface. |
||
| 815 | * The sampler view's first_level field indicates the source |
||
| 816 | * mipmap level to use. |
||
| 817 | * XXX need some control over blitting Z and/or stencil. |
||
| 818 | */ |
||
| 819 | void |
||
| 820 | util_blit_pixels_tex(struct blit_state *ctx, |
||
| 821 | struct pipe_sampler_view *src_sampler_view, |
||
| 822 | int srcX0, int srcY0, |
||
| 823 | int srcX1, int srcY1, |
||
| 824 | struct pipe_surface *dst, |
||
| 825 | int dstX0, int dstY0, |
||
| 826 | int dstX1, int dstY1, |
||
| 827 | float z, uint filter) |
||
| 828 | { |
||
| 829 | boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT; |
||
| 830 | struct pipe_framebuffer_state fb; |
||
| 831 | float s0, t0, s1, t1; |
||
| 832 | unsigned offset; |
||
| 833 | struct pipe_resource *tex = src_sampler_view->texture; |
||
| 834 | |||
| 835 | assert(filter == PIPE_TEX_MIPFILTER_NEAREST || |
||
| 836 | filter == PIPE_TEX_MIPFILTER_LINEAR); |
||
| 837 | |||
| 838 | assert(tex); |
||
| 839 | assert(tex->width0 != 0); |
||
| 840 | assert(tex->height0 != 0); |
||
| 841 | |||
| 842 | s0 = (float) srcX0; |
||
| 843 | s1 = (float) srcX1; |
||
| 844 | t0 = (float) srcY0; |
||
| 845 | t1 = (float) srcY1; |
||
| 846 | |||
| 847 | if(normalized) |
||
| 848 | { |
||
| 849 | /* normalize according to the mipmap level's size */ |
||
| 850 | int level = src_sampler_view->u.tex.first_level; |
||
| 851 | float w = (float) u_minify(tex->width0, level); |
||
| 852 | float h = (float) u_minify(tex->height0, level); |
||
| 853 | s0 /= w; |
||
| 854 | s1 /= w; |
||
| 855 | t0 /= h; |
||
| 856 | t1 /= h; |
||
| 857 | } |
||
| 858 | |||
| 859 | assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format, |
||
| 860 | PIPE_TEXTURE_2D, |
||
| 861 | dst->texture->nr_samples, |
||
| 862 | PIPE_BIND_RENDER_TARGET)); |
||
| 863 | |||
| 864 | /* save state (restored below) */ |
||
| 865 | cso_save_blend(ctx->cso); |
||
| 866 | cso_save_depth_stencil_alpha(ctx->cso); |
||
| 867 | cso_save_rasterizer(ctx->cso); |
||
| 868 | cso_save_sample_mask(ctx->cso); |
||
| 869 | cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 870 | cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 871 | cso_save_stream_outputs(ctx->cso); |
||
| 872 | cso_save_viewport(ctx->cso); |
||
| 873 | cso_save_framebuffer(ctx->cso); |
||
| 874 | cso_save_fragment_shader(ctx->cso); |
||
| 875 | cso_save_vertex_shader(ctx->cso); |
||
| 876 | cso_save_geometry_shader(ctx->cso); |
||
| 877 | cso_save_vertex_elements(ctx->cso); |
||
| 878 | cso_save_aux_vertex_buffer_slot(ctx->cso); |
||
| 879 | |||
| 880 | /* set misc state we care about */ |
||
| 881 | cso_set_blend(ctx->cso, &ctx->blend_write_color); |
||
| 882 | cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); |
||
| 883 | cso_set_sample_mask(ctx->cso, ~0); |
||
| 884 | cso_set_rasterizer(ctx->cso, &ctx->rasterizer); |
||
| 885 | cso_set_vertex_elements(ctx->cso, 2, ctx->velem); |
||
| 886 | cso_set_stream_outputs(ctx->cso, 0, NULL, 0); |
||
| 887 | |||
| 888 | /* sampler */ |
||
| 889 | ctx->sampler.normalized_coords = normalized; |
||
| 890 | ctx->sampler.min_img_filter = filter; |
||
| 891 | ctx->sampler.mag_img_filter = filter; |
||
| 892 | cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); |
||
| 893 | cso_single_sampler_done(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 894 | |||
| 895 | /* viewport */ |
||
| 896 | ctx->viewport.scale[0] = 0.5f * dst->width; |
||
| 897 | ctx->viewport.scale[1] = 0.5f * dst->height; |
||
| 898 | ctx->viewport.scale[2] = 0.5f; |
||
| 899 | ctx->viewport.scale[3] = 1.0f; |
||
| 900 | ctx->viewport.translate[0] = 0.5f * dst->width; |
||
| 901 | ctx->viewport.translate[1] = 0.5f * dst->height; |
||
| 902 | ctx->viewport.translate[2] = 0.5f; |
||
| 903 | ctx->viewport.translate[3] = 0.0f; |
||
| 904 | cso_set_viewport(ctx->cso, &ctx->viewport); |
||
| 905 | |||
| 906 | /* texture */ |
||
| 907 | cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &src_sampler_view); |
||
| 908 | |||
| 909 | /* shaders */ |
||
| 910 | set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW, |
||
| 911 | src_sampler_view->texture->target); |
||
| 912 | set_vertex_shader(ctx); |
||
| 913 | cso_set_geometry_shader_handle(ctx->cso, NULL); |
||
| 914 | |||
| 915 | /* drawing dest */ |
||
| 916 | memset(&fb, 0, sizeof(fb)); |
||
| 917 | fb.width = dst->width; |
||
| 918 | fb.height = dst->height; |
||
| 919 | fb.nr_cbufs = 1; |
||
| 920 | fb.cbufs[0] = dst; |
||
| 921 | cso_set_framebuffer(ctx->cso, &fb); |
||
| 922 | |||
| 923 | /* draw quad */ |
||
| 924 | offset = setup_vertex_data_tex(ctx, |
||
| 925 | (float) dstX0 / dst->width * 2.0f - 1.0f, |
||
| 926 | (float) dstY0 / dst->height * 2.0f - 1.0f, |
||
| 927 | (float) dstX1 / dst->width * 2.0f - 1.0f, |
||
| 928 | (float) dstY1 / dst->height * 2.0f - 1.0f, |
||
| 929 | s0, t0, s1, t1, |
||
| 930 | z); |
||
| 931 | |||
| 932 | util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, |
||
| 933 | cso_get_aux_vertex_buffer_slot(ctx->cso), |
||
| 934 | offset, |
||
| 935 | PIPE_PRIM_TRIANGLE_FAN, |
||
| 936 | 4, /* verts */ |
||
| 937 | 2); /* attribs/vert */ |
||
| 938 | |||
| 939 | /* restore state we changed */ |
||
| 940 | cso_restore_blend(ctx->cso); |
||
| 941 | cso_restore_depth_stencil_alpha(ctx->cso); |
||
| 942 | cso_restore_rasterizer(ctx->cso); |
||
| 943 | cso_restore_sample_mask(ctx->cso); |
||
| 944 | cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 945 | cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); |
||
| 946 | cso_restore_viewport(ctx->cso); |
||
| 947 | cso_restore_framebuffer(ctx->cso); |
||
| 948 | cso_restore_fragment_shader(ctx->cso); |
||
| 949 | cso_restore_vertex_shader(ctx->cso); |
||
| 950 | cso_restore_geometry_shader(ctx->cso); |
||
| 951 | cso_restore_vertex_elements(ctx->cso); |
||
| 952 | cso_restore_aux_vertex_buffer_slot(ctx->cso); |
||
| 953 | cso_restore_stream_outputs(ctx->cso); |
||
| 954 | } |