| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| * Brian Paul |
| */ |
| |
| |
| #include "main/macros.h" |
| |
| #include "st_context.h" |
| #include "st_atom.h" |
| #include "st_texture.h" |
| #include "st_cb_texture.h" |
| #include "pipe/p_context.h" |
| #include "cso_cache/cso_context.h" |
| |
| |
| static void |
| update_textures(struct st_context *st) |
| { |
| struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current; |
| struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; |
| const GLbitfield samplersUsed = (vprog->Base.SamplersUsed | |
| fprog->Base.SamplersUsed); |
| GLuint su; |
| |
| st->state.num_textures = 0; |
| |
| /* loop over sampler units (aka tex image units) */ |
| for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) { |
| struct pipe_texture *pt = NULL; |
| |
| if (samplersUsed & (1 << su)) { |
| struct gl_texture_object *texObj; |
| struct st_texture_object *stObj; |
| GLboolean flush, retval; |
| GLuint texUnit; |
| |
| if (fprog->Base.SamplersUsed & (1 << su)) |
| texUnit = fprog->Base.SamplerUnits[su]; |
| else |
| texUnit = vprog->Base.SamplerUnits[su]; |
| |
| texObj = st->ctx->Texture.Unit[texUnit]._Current; |
| |
| if (!texObj) { |
| texObj = st_get_default_texture(st); |
| } |
| stObj = st_texture_object(texObj); |
| |
| retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush); |
| if (!retval) { |
| /* out of mem */ |
| continue; |
| } |
| |
| st->state.num_textures = su + 1; |
| |
| pt = st_get_stobj_texture(stObj); |
| } |
| |
| /* |
| if (pt) { |
| printf("%s su=%u non-null\n", __FUNCTION__, su); |
| } |
| else { |
| printf("%s su=%u null\n", __FUNCTION__, su); |
| } |
| */ |
| |
| pipe_texture_reference(&st->state.sampler_texture[su], pt); |
| } |
| |
| cso_set_sampler_textures(st->cso_context, |
| st->state.num_textures, |
| st->state.sampler_texture); |
| if (st->ctx->Const.MaxVertexTextureImageUnits > 0) { |
| cso_set_vertex_sampler_textures(st->cso_context, |
| MIN2(st->state.num_textures, |
| st->ctx->Const.MaxVertexTextureImageUnits), |
| st->state.sampler_texture); |
| } |
| } |
| |
| |
| const struct st_tracked_state st_update_texture = { |
| "st_update_texture", /* name */ |
| { /* dirty */ |
| _NEW_TEXTURE, /* mesa */ |
| ST_NEW_FRAGMENT_PROGRAM, /* st */ |
| }, |
| update_textures /* update */ |
| }; |
| |
| |
| |
| |
| static void |
| finalize_textures(struct st_context *st) |
| { |
| struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current; |
| const GLboolean prev_missing_textures = st->missing_textures; |
| GLuint su; |
| |
| st->missing_textures = GL_FALSE; |
| |
| for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) { |
| if (fprog->Base.SamplersUsed & (1 << su)) { |
| const GLuint texUnit = fprog->Base.SamplerUnits[su]; |
| struct gl_texture_object *texObj |
| = st->ctx->Texture.Unit[texUnit]._Current; |
| struct st_texture_object *stObj = st_texture_object(texObj); |
| |
| if (texObj) { |
| GLboolean flush, retval; |
| |
| retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush); |
| if (!retval) { |
| /* out of mem */ |
| st->missing_textures = GL_TRUE; |
| continue; |
| } |
| |
| stObj->teximage_realloc = TRUE; |
| } |
| } |
| } |
| |
| if (prev_missing_textures != st->missing_textures) |
| st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; |
| } |
| |
| |
| |
| const struct st_tracked_state st_finalize_textures = { |
| "st_finalize_textures", /* name */ |
| { /* dirty */ |
| _NEW_TEXTURE, /* mesa */ |
| 0, /* st */ |
| }, |
| finalize_textures /* update */ |
| }; |