2 * Mesa 3-D graphics library
4 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
29 #include "main/mtypes.h"
32 * \name Flags for meta operations
35 * These flags are passed to _mesa_meta_begin().
37 #define MESA_META_ALL ~0x0
38 #define MESA_META_ALPHA_TEST 0x1
39 #define MESA_META_BLEND 0x2 /**< includes logicop */
40 #define MESA_META_COLOR_MASK 0x4
41 #define MESA_META_DEPTH_TEST 0x8
42 #define MESA_META_FOG 0x10
43 #define MESA_META_PIXEL_STORE 0x20
44 #define MESA_META_PIXEL_TRANSFER 0x40
45 #define MESA_META_RASTERIZATION 0x80
46 #define MESA_META_SCISSOR 0x100
47 #define MESA_META_SHADER 0x200
48 #define MESA_META_STENCIL_TEST 0x400
49 #define MESA_META_TRANSFORM 0x800 /**< modelview/projection matrix state */
50 #define MESA_META_TEXTURE 0x1000
51 #define MESA_META_VERTEX 0x2000
52 #define MESA_META_VIEWPORT 0x4000
53 #define MESA_META_CLAMP_FRAGMENT_COLOR 0x8000
54 #define MESA_META_CLAMP_VERTEX_COLOR 0x10000
55 #define MESA_META_CONDITIONAL_RENDER 0x20000
56 #define MESA_META_CLIP 0x40000
57 #define MESA_META_SELECT_FEEDBACK 0x80000
58 #define MESA_META_MULTISAMPLE 0x100000
59 #define MESA_META_FRAMEBUFFER_SRGB 0x200000
60 #define MESA_META_OCCLUSION_QUERY 0x400000
61 #define MESA_META_DRAW_BUFFERS 0x800000
62 #define MESA_META_DITHER 0x1000000
66 * State which we may save/restore across meta ops.
67 * XXX this may be incomplete...
71 GLbitfield SavedState; /**< bitmask of MESA_META_* flags */
73 /* Always saved/restored with meta. */
75 uint8_t ExtensionsVersion;
77 /** MESA_META_CLEAR (and others?) */
78 struct gl_query_object *CurrentOcclusionObject;
80 /** MESA_META_ALPHA_TEST */
81 GLboolean AlphaEnabled;
85 /** MESA_META_BLEND */
86 GLbitfield BlendEnabled;
87 GLboolean ColorLogicOpEnabled;
89 /** MESA_META_DITHER */
92 /** MESA_META_COLOR_MASK */
93 GLubyte ColorMask[MAX_DRAW_BUFFERS][4];
95 /** MESA_META_DEPTH_TEST */
96 struct gl_depthbuffer_attrib Depth;
101 /** MESA_META_PIXEL_STORE */
102 struct gl_pixelstore_attrib Pack, Unpack;
104 /** MESA_META_PIXEL_TRANSFER */
105 GLfloat RedBias, RedScale;
106 GLfloat GreenBias, GreenScale;
107 GLfloat BlueBias, BlueScale;
108 GLfloat AlphaBias, AlphaScale;
109 GLfloat DepthBias, DepthScale;
110 GLboolean MapColorFlag;
112 /** MESA_META_RASTERIZATION */
113 GLenum FrontPolygonMode, BackPolygonMode;
114 GLboolean PolygonOffset;
115 GLboolean PolygonSmooth;
116 GLboolean PolygonStipple;
117 GLboolean PolygonCull;
119 /** MESA_META_SCISSOR */
120 struct gl_scissor_attrib Scissor;
122 /** MESA_META_SHADER */
123 GLboolean VertexProgramEnabled;
124 struct gl_vertex_program *VertexProgram;
125 GLboolean FragmentProgramEnabled;
126 struct gl_fragment_program *FragmentProgram;
127 GLboolean ATIFragmentShaderEnabled;
128 struct gl_shader_program *Shader[MESA_SHADER_STAGES];
129 struct gl_shader_program *ActiveShader;
130 struct gl_pipeline_object *Pipeline;
132 /** MESA_META_STENCIL_TEST */
133 struct gl_stencil_attrib Stencil;
135 /** MESA_META_TRANSFORM */
137 GLfloat ModelviewMatrix[16];
138 GLfloat ProjectionMatrix[16];
139 GLfloat TextureMatrix[16];
140 /** GL_ARB_clip_control */
141 GLenum ClipOrigin; /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
142 GLenum ClipDepthMode; /**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
144 /** MESA_META_CLIP */
145 GLbitfield ClipPlanesEnabled;
147 /** MESA_META_TEXTURE */
149 /** for unit[0] only */
150 struct gl_texture_object *CurrentTexture[NUM_TEXTURE_TARGETS];
151 /** mask of TEXTURE_2D_BIT, etc */
152 GLbitfield TexEnabled[MAX_TEXTURE_UNITS];
153 GLbitfield TexGenEnabled[MAX_TEXTURE_UNITS];
154 GLuint EnvMode; /* unit[0] only */
156 /** MESA_META_VERTEX */
157 struct gl_vertex_array_object *VAO;
159 /** MESA_META_VIEWPORT */
160 GLfloat ViewportX, ViewportY, ViewportW, ViewportH;
161 GLclampd DepthNear, DepthFar;
163 /** MESA_META_CLAMP_FRAGMENT_COLOR */
164 GLenum ClampFragmentColor;
166 /** MESA_META_CLAMP_VERTEX_COLOR */
167 GLenum ClampVertexColor;
169 /** MESA_META_CONDITIONAL_RENDER */
170 struct gl_query_object *CondRenderQuery;
171 GLenum CondRenderMode;
173 /** MESA_META_SELECT_FEEDBACK */
175 struct gl_selection Select;
176 struct gl_feedback Feedback;
178 /** MESA_META_MULTISAMPLE */
179 struct gl_multisample_attrib Multisample;
181 /** MESA_META_FRAMEBUFFER_SRGB */
182 GLboolean sRGBEnabled;
184 /** Miscellaneous (always disabled) */
186 GLboolean RasterDiscard;
187 GLboolean TransformFeedbackNeedsResume;
189 GLuint DrawBufferName, ReadBufferName;
191 /** MESA_META_DRAW_BUFFERS */
192 GLenum ColorDrawBuffers[MAX_DRAW_BUFFERS];
196 * Temporary texture used for glBlitFramebuffer, glDrawPixels, etc.
197 * This is currently shared by all the meta ops. But we could create a
198 * separate one for each of glDrawPixel, glBlitFramebuffer, glCopyPixels, etc.
203 GLenum Target; /**< GL_TEXTURE_2D or GL_TEXTURE_RECTANGLE */
204 GLsizei MinSize; /**< Min texture size to allocate */
205 GLsizei MaxSize; /**< Max possible texture size */
206 GLboolean NPOT; /**< Non-power of two size OK? */
207 GLsizei Width, Height; /**< Current texture size */
209 GLfloat Sright, Ttop; /**< right, top texcoords */
213 * State for GLSL texture sampler which is used to generate fragment
214 * shader in _mesa_meta_generate_mipmap().
219 const char *texcoords;
224 * Table of all sampler types and shaders for accessing them.
226 struct blit_shader_table {
227 struct blit_shader sampler_1d;
228 struct blit_shader sampler_2d;
229 struct blit_shader sampler_3d;
230 struct blit_shader sampler_rect;
231 struct blit_shader sampler_cubemap;
232 struct blit_shader sampler_1d_array;
233 struct blit_shader sampler_2d_array;
234 struct blit_shader sampler_cubemap_array;
238 * Indices in the blit_state->msaa_shaders[] array
240 * Note that setup_glsl_msaa_blit_shader() assumes that the _INT enums are five
241 * more than the corresponding non-_INT versions and _UINT are five beyond that.
243 enum blit_msaa_shader {
244 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
245 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
246 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
247 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
248 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE,
249 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
250 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
251 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
252 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
253 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_INT,
254 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
255 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
256 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
257 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
258 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE_UINT,
259 BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY,
260 BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY_INT,
261 BLIT_MSAA_SHADER_2D_MULTISAMPLE_COPY_UINT,
262 BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_RESOLVE,
263 BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_COPY,
264 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
265 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
266 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
267 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
268 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE,
269 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
270 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
271 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
272 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
273 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_INT,
274 BLIT_1X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
275 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
276 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
277 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
278 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE_UINT,
279 BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY,
280 BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_INT,
281 BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_COPY_UINT,
282 BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_RESOLVE,
283 BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_COPY,
284 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
285 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
286 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
287 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_SCALED_RESOLVE,
288 BLIT_2X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
289 BLIT_4X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
290 BLIT_8X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
291 BLIT_16X_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_SCALED_RESOLVE,
292 BLIT_MSAA_SHADER_COUNT,
296 * State for glBlitFramebufer()
301 struct gl_buffer_object *buf_obj;
302 struct blit_shader_table shaders_with_depth;
303 struct blit_shader_table shaders_without_depth;
304 GLuint msaa_shaders[BLIT_MSAA_SHADER_COUNT];
305 struct temp_texture depthTex;
306 bool no_ctsi_fallback;
309 struct fb_tex_blit_state
311 GLint baseLevelSave, maxLevelSave;
312 struct gl_sampler_object *samp_obj;
313 struct gl_sampler_object *samp_obj_save;
314 GLuint stencilSamplingSave;
320 * State for glClear()
325 struct gl_buffer_object *buf_obj;
327 GLuint IntegerShaderProg;
332 * State for glCopyPixels()
337 struct gl_buffer_object *buf_obj;
342 * State for glDrawPixels()
347 struct gl_buffer_object *buf_obj;
349 GLuint StencilFP; /**< Fragment program for drawing stencil images */
350 GLuint DepthFP; /**< Fragment program for drawing depth images */
355 * State for glBitmap()
360 struct gl_buffer_object *buf_obj;
361 struct temp_texture Tex; /**< separate texture from other meta ops */
365 * State for _mesa_meta_generate_mipmap()
367 struct gen_mipmap_state
370 struct gl_buffer_object *buf_obj;
372 struct gl_sampler_object *samp_obj;
374 struct blit_shader_table shaders;
378 * One of the FBO states for decompress_state. There will be one for each
379 * required renderbuffer format.
381 struct decompress_fbo_state
383 struct gl_renderbuffer *rb;
389 * State for texture decompression
391 struct decompress_state
394 struct decompress_fbo_state byteFBO, floatFBO;
395 struct gl_buffer_object *buf_obj;
396 struct gl_sampler_object *samp_obj;
398 struct blit_shader_table shaders;
402 * State for glDrawTex()
407 struct gl_buffer_object *buf_obj;
410 #define MAX_META_OPS_DEPTH 8
412 * All per-context meta state.
416 /** Stack of state saved during meta-ops */
417 struct save_state Save[MAX_META_OPS_DEPTH];
418 /** Save stack depth */
419 GLuint SaveStackDepth;
421 struct temp_texture TempTex;
423 struct blit_state Blit; /**< For _mesa_meta_BlitFramebuffer() */
424 struct clear_state Clear; /**< For _mesa_meta_Clear() */
425 struct copypix_state CopyPix; /**< For _mesa_meta_CopyPixels() */
426 struct drawpix_state DrawPix; /**< For _mesa_meta_DrawPixels() */
427 struct bitmap_state Bitmap; /**< For _mesa_meta_Bitmap() */
428 struct gen_mipmap_state Mipmap; /**< For _mesa_meta_GenerateMipmap() */
429 struct decompress_state Decompress; /**< For texture decompression */
430 struct drawtex_state DrawTex; /**< For _mesa_meta_DrawTex() */
434 GLfloat x, y, z, tex[4];
439 _mesa_meta_init(struct gl_context *ctx);
442 _mesa_meta_free(struct gl_context *ctx);
445 _mesa_meta_begin(struct gl_context *ctx, GLbitfield state);
448 _mesa_meta_end(struct gl_context *ctx);
451 _mesa_meta_in_progress(struct gl_context *ctx)
453 return ctx->Meta->SaveStackDepth != 0;
457 _mesa_meta_fb_tex_blit_begin(struct gl_context *ctx,
458 struct fb_tex_blit_state *blit);
461 _mesa_meta_fb_tex_blit_end(struct gl_context *ctx, GLenum target,
462 struct fb_tex_blit_state *blit);
465 _mesa_meta_bind_rb_as_tex_image(struct gl_context *ctx,
466 struct gl_renderbuffer *rb,
468 struct gl_texture_object **texObj,
471 struct gl_sampler_object *
472 _mesa_meta_setup_sampler(struct gl_context *ctx,
473 struct gl_texture_object *texObj,
474 GLenum target, GLenum filter, GLuint srcLevel);
477 _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
478 const struct gl_framebuffer *readFb,
479 const struct gl_framebuffer *drawFb,
480 GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
481 GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
482 GLbitfield mask, GLenum filter);
485 _mesa_meta_and_swrast_BlitFramebuffer(struct gl_context *ctx,
486 struct gl_framebuffer *readFb,
487 struct gl_framebuffer *drawFb,
488 GLint srcX0, GLint srcY0,
489 GLint srcX1, GLint srcY1,
490 GLint dstX0, GLint dstY0,
491 GLint dstX1, GLint dstY1,
492 GLbitfield mask, GLenum filter);
495 _mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
496 struct gl_texture_image *src_tex_image,
497 struct gl_renderbuffer *src_renderbuffer,
498 int src_x, int src_y, int src_z,
499 struct gl_texture_image *dst_tex_image,
500 struct gl_renderbuffer *dst_renderbuffer,
501 int dst_x, int dst_y, int dst_z,
502 int src_width, int src_height);
505 _mesa_meta_Clear(struct gl_context *ctx, GLbitfield buffers);
508 _mesa_meta_glsl_Clear(struct gl_context *ctx, GLbitfield buffers);
511 _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
512 GLsizei width, GLsizei height,
513 GLint dstx, GLint dsty, GLenum type);
516 _mesa_meta_DrawPixels(struct gl_context *ctx,
517 GLint x, GLint y, GLsizei width, GLsizei height,
518 GLenum format, GLenum type,
519 const struct gl_pixelstore_attrib *unpack,
520 const GLvoid *pixels);
523 _mesa_meta_Bitmap(struct gl_context *ctx,
524 GLint x, GLint y, GLsizei width, GLsizei height,
525 const struct gl_pixelstore_attrib *unpack,
526 const GLubyte *bitmap);
529 _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target,
530 struct gl_texture_object *texObj);
533 _mesa_meta_pbo_TexSubImage(struct gl_context *ctx, GLuint dims,
534 struct gl_texture_image *tex_image,
535 int xoffset, int yoffset, int zoffset,
536 int width, int height, int depth,
537 GLenum format, GLenum type, const void *pixels,
538 bool allocate_storage, bool create_pbo,
539 const struct gl_pixelstore_attrib *packing);
542 _mesa_meta_pbo_GetTexSubImage(struct gl_context *ctx, GLuint dims,
543 struct gl_texture_image *tex_image,
544 int xoffset, int yoffset, int zoffset,
545 int width, int height, int depth,
546 GLenum format, GLenum type, const void *pixels,
547 const struct gl_pixelstore_attrib *packing);
550 _mesa_meta_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
551 struct gl_texture_image *texImage,
552 GLint xoffset, GLint yoffset, GLint slice,
553 struct gl_renderbuffer *rb,
555 GLsizei width, GLsizei height);
558 _mesa_meta_ClearTexSubImage(struct gl_context *ctx,
559 struct gl_texture_image *texImage,
560 GLint xoffset, GLint yoffset, GLint zoffset,
561 GLsizei width, GLsizei height, GLsizei depth,
562 const GLvoid *clearValue);
565 _mesa_meta_GetTexSubImage(struct gl_context *ctx,
566 GLint xoffset, GLint yoffset, GLint zoffset,
567 GLsizei width, GLsizei height, GLsizei depth,
568 GLenum format, GLenum type, GLvoid *pixels,
569 struct gl_texture_image *texImage);
572 _mesa_meta_DrawTex(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
573 GLfloat width, GLfloat height);
575 /* meta-internal functions */
577 _mesa_meta_drawbuffers_from_bitfield(GLbitfield bits);
580 _mesa_meta_compile_shader_with_debug(struct gl_context *ctx, GLenum target,
581 const GLcharARB *source);
585 _mesa_meta_link_program_with_debug(struct gl_context *ctx, GLuint program);
588 _mesa_meta_compile_and_link_program(struct gl_context *ctx,
589 const char *vs_source,
590 const char *fs_source,
595 _mesa_meta_alloc_texture(struct temp_texture *tex,
596 GLsizei width, GLsizei height, GLenum intFormat);
599 _mesa_meta_setup_texture_coords(GLenum faceTarget,
613 struct temp_texture *
614 _mesa_meta_get_temp_texture(struct gl_context *ctx);
616 struct temp_texture *
617 _mesa_meta_get_temp_depth_texture(struct gl_context *ctx);
620 _mesa_meta_setup_vertex_objects(struct gl_context *ctx,
621 GLuint *VAO, struct gl_buffer_object **buf_obj,
622 bool use_generic_attributes,
623 unsigned vertex_size, unsigned texcoord_size,
624 unsigned color_size);
627 _mesa_meta_setup_ff_tnl_for_blit(struct gl_context *ctx,
628 GLuint *VAO, struct gl_buffer_object **buf_obj,
629 unsigned texcoord_size);
632 _mesa_meta_setup_drawpix_texture(struct gl_context *ctx,
633 struct temp_texture *tex,
635 GLsizei width, GLsizei height,
636 GLenum format, GLenum type,
637 const GLvoid *pixels);
640 _mesa_meta_setup_copypix_texture(struct gl_context *ctx,
641 struct temp_texture *tex,
642 GLint srcX, GLint srcY,
643 GLsizei width, GLsizei height,
648 _mesa_meta_setup_blit_shader(struct gl_context *ctx,
651 struct blit_shader_table *table);
654 _mesa_meta_glsl_blit_cleanup(struct gl_context *ctx, struct blit_state *blit);
657 _mesa_meta_blit_shader_table_cleanup(struct blit_shader_table *table);
660 _mesa_meta_glsl_generate_mipmap_cleanup(struct gl_context *ctx,
661 struct gen_mipmap_state *mipmap);
664 _mesa_meta_bind_fbo_image(GLenum target, GLenum attachment,
665 struct gl_texture_image *texImage, GLuint layer);