| /* |
| Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| develop this 3D driver. |
| |
| 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, sublicense, 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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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> |
| */ |
| |
| |
| #include "mtypes.h" |
| #include "texformat.h" |
| #include "texstore.h" |
| |
| #include "intel_mipmap_tree.h" |
| #include "intel_batchbuffer.h" |
| #include "intel_tex.h" |
| |
| |
| #include "brw_context.h" |
| #include "brw_state.h" |
| #include "brw_defines.h" |
| |
| |
| static GLuint translate_tex_target( GLenum target ) |
| { |
| switch (target) { |
| case GL_TEXTURE_1D: |
| return BRW_SURFACE_1D; |
| |
| case GL_TEXTURE_RECTANGLE_NV: |
| return BRW_SURFACE_2D; |
| |
| case GL_TEXTURE_2D: |
| return BRW_SURFACE_2D; |
| |
| case GL_TEXTURE_3D: |
| return BRW_SURFACE_3D; |
| |
| case GL_TEXTURE_CUBE_MAP: |
| return BRW_SURFACE_CUBE; |
| |
| default: |
| assert(0); |
| return 0; |
| } |
| } |
| |
| |
| static GLuint translate_tex_format( GLuint mesa_format, GLenum depth_mode ) |
| { |
| switch( mesa_format ) { |
| case MESA_FORMAT_L8: |
| return BRW_SURFACEFORMAT_L8_UNORM; |
| |
| case MESA_FORMAT_I8: |
| return BRW_SURFACEFORMAT_I8_UNORM; |
| |
| case MESA_FORMAT_A8: |
| return BRW_SURFACEFORMAT_A8_UNORM; |
| |
| case MESA_FORMAT_AL88: |
| return BRW_SURFACEFORMAT_L8A8_UNORM; |
| |
| case MESA_FORMAT_RGB888: |
| assert(0); /* not supported for sampling */ |
| return BRW_SURFACEFORMAT_R8G8B8_UNORM; |
| |
| case MESA_FORMAT_ARGB8888: |
| return BRW_SURFACEFORMAT_B8G8R8A8_UNORM; |
| |
| case MESA_FORMAT_RGBA8888_REV: |
| return BRW_SURFACEFORMAT_R8G8B8A8_UNORM; |
| |
| case MESA_FORMAT_RGB565: |
| return BRW_SURFACEFORMAT_B5G6R5_UNORM; |
| |
| case MESA_FORMAT_ARGB1555: |
| return BRW_SURFACEFORMAT_B5G5R5A1_UNORM; |
| |
| case MESA_FORMAT_ARGB4444: |
| return BRW_SURFACEFORMAT_B4G4R4A4_UNORM; |
| |
| case MESA_FORMAT_YCBCR_REV: |
| return BRW_SURFACEFORMAT_YCRCB_NORMAL; |
| |
| case MESA_FORMAT_YCBCR: |
| return BRW_SURFACEFORMAT_YCRCB_SWAPUVY; |
| |
| case MESA_FORMAT_RGB_FXT1: |
| case MESA_FORMAT_RGBA_FXT1: |
| return BRW_SURFACEFORMAT_FXT1; |
| |
| case MESA_FORMAT_Z16: |
| if (depth_mode == GL_INTENSITY) |
| return BRW_SURFACEFORMAT_I16_UNORM; |
| else if (depth_mode == GL_ALPHA) |
| return BRW_SURFACEFORMAT_A16_UNORM; |
| else |
| return BRW_SURFACEFORMAT_L16_UNORM; |
| |
| case MESA_FORMAT_RGB_DXT1: |
| return BRW_SURFACEFORMAT_DXT1_RGB; |
| |
| case MESA_FORMAT_RGBA_DXT1: |
| return BRW_SURFACEFORMAT_BC1_UNORM; |
| |
| case MESA_FORMAT_RGBA_DXT3: |
| return BRW_SURFACEFORMAT_BC2_UNORM; |
| |
| case MESA_FORMAT_RGBA_DXT5: |
| return BRW_SURFACEFORMAT_BC3_UNORM; |
| |
| case MESA_FORMAT_SRGBA8: |
| return BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB; |
| case MESA_FORMAT_SRGB_DXT1: |
| return BRW_SURFACEFORMAT_BC1_UNORM_SRGB; |
| |
| case MESA_FORMAT_S8_Z24: |
| return BRW_SURFACEFORMAT_I24X8_UNORM; |
| |
| default: |
| assert(0); |
| return 0; |
| } |
| } |
| |
| struct brw_wm_surface_key { |
| GLenum target, depthmode; |
| dri_bo *bo; |
| GLint format; |
| GLint first_level, last_level; |
| GLint width, height, depth; |
| GLint pitch, cpp; |
| GLboolean tiled; |
| GLuint offset; |
| }; |
| |
| static dri_bo * |
| brw_create_texture_surface( struct brw_context *brw, |
| struct brw_wm_surface_key *key ) |
| { |
| struct brw_surface_state surf; |
| dri_bo *bo; |
| |
| memset(&surf, 0, sizeof(surf)); |
| |
| surf.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; |
| surf.ss0.surface_type = translate_tex_target(key->target); |
| |
| if (key->bo) |
| surf.ss0.surface_format = translate_tex_format(key->format, key->depthmode); |
| else { |
| switch(key->depth) { |
| case 32: surf.ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM; break; |
| default: |
| case 24: surf.ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8X8_UNORM; break; |
| case 16: surf.ss0.surface_format = BRW_SURFACEFORMAT_B5G6R5_UNORM; break; |
| } |
| } |
| |
| /* This is ok for all textures with channel width 8bit or less: |
| */ |
| /* surf.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */ |
| if (key->bo) |
| surf.ss1.base_addr = key->bo->offset; /* reloc */ |
| else |
| surf.ss1.base_addr = key->offset; |
| |
| surf.ss2.mip_count = key->last_level - key->first_level; |
| surf.ss2.width = key->width - 1; |
| surf.ss2.height = key->height - 1; |
| |
| surf.ss3.tile_walk = BRW_TILEWALK_XMAJOR; |
| surf.ss3.tiled_surface = key->tiled; |
| surf.ss3.pitch = (key->pitch * key->cpp) - 1; |
| surf.ss3.depth = key->depth - 1; |
| |
| surf.ss4.min_lod = 0; |
| |
| if (key->target == GL_TEXTURE_CUBE_MAP) { |
| surf.ss0.cube_pos_x = 1; |
| surf.ss0.cube_pos_y = 1; |
| surf.ss0.cube_pos_z = 1; |
| surf.ss0.cube_neg_x = 1; |
| surf.ss0.cube_neg_y = 1; |
| surf.ss0.cube_neg_z = 1; |
| } |
| |
| bo = brw_upload_cache(&brw->cache, BRW_SS_SURFACE, |
| key, sizeof(*key), |
| &key->bo, key->bo ? 1 : 0, |
| &surf, sizeof(surf), |
| NULL, NULL); |
| if (key->bo) { |
| /* Emit relocation to surface contents */ |
| dri_emit_reloc(bo, |
| DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, |
| 0, |
| offsetof(struct brw_surface_state, ss1), |
| key->bo); |
| } |
| return bo; |
| } |
| |
| static int |
| brw_update_texture_surface( GLcontext *ctx, GLuint unit ) |
| { |
| struct brw_context *brw = brw_context(ctx); |
| struct gl_texture_object *tObj = brw->attribs.Texture->Unit[unit]._Current; |
| struct intel_texture_object *intelObj = intel_texture_object(tObj); |
| struct gl_texture_image *firstImage = tObj->Image[0][intelObj->firstLevel]; |
| struct brw_wm_surface_key key; |
| int ret = 0; |
| |
| memset(&key, 0, sizeof(key)); |
| |
| if (intelObj->imageOverride) { |
| key.pitch = intelObj->pitchOverride / intelObj->mt->cpp; |
| key.depth = intelObj->depthOverride; |
| key.bo = NULL; |
| key.offset = intelObj->textureOffset; |
| } else { |
| key.format = firstImage->TexFormat->MesaFormat; |
| key.pitch = intelObj->mt->pitch; |
| key.depth = firstImage->Depth; |
| key.bo = intelObj->mt->region->buffer; |
| key.offset = 0; |
| ret |= dri_bufmgr_check_aperture_space(key.bo); |
| } |
| |
| key.target = tObj->Target; |
| key.depthmode = tObj->DepthMode; |
| key.first_level = intelObj->firstLevel; |
| key.last_level = intelObj->lastLevel; |
| key.width = firstImage->Width; |
| key.height = firstImage->Height; |
| key.cpp = intelObj->mt->cpp; |
| key.tiled = intelObj->mt->region->tiled; |
| |
| dri_bo_unreference(brw->wm.surf_bo[unit + MAX_DRAW_BUFFERS]); |
| brw->wm.surf_bo[unit + MAX_DRAW_BUFFERS] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, |
| &key, sizeof(key), |
| &key.bo, key.bo ? 1 : 0, |
| NULL); |
| if (brw->wm.surf_bo[unit + MAX_DRAW_BUFFERS] == NULL) { |
| brw->wm.surf_bo[unit + MAX_DRAW_BUFFERS] = brw_create_texture_surface(brw, &key); |
| } |
| |
| ret |= dri_bufmgr_check_aperture_space(brw->wm.surf_bo[unit + MAX_DRAW_BUFFERS]); |
| return ret; |
| } |
| |
| /** |
| * Sets up a surface state structure to point at the given region. |
| * While it is only used for the front/back buffer currently, it should be |
| * usable for further buffers when doing ARB_draw_buffer support. |
| */ |
| static int |
| brw_update_region_surface(struct brw_context *brw, struct intel_region *region, |
| unsigned int unit, GLboolean cached) |
| { |
| dri_bo *region_bo = NULL; |
| int ret = 0; |
| struct { |
| unsigned int surface_type; |
| unsigned int surface_format; |
| unsigned int width, height, cpp; |
| GLubyte color_mask[4]; |
| GLboolean tiled, color_blend; |
| } key; |
| |
| memset(&key, 0, sizeof(key)); |
| |
| if (region != NULL) { |
| region_bo = region->buffer; |
| |
| key.surface_type = BRW_SURFACE_2D; |
| if (region->cpp == 4) |
| key.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM; |
| else |
| key.surface_format = BRW_SURFACEFORMAT_B5G6R5_UNORM; |
| key.tiled = region->tiled; |
| key.width = region->pitch; /* XXX: not really! */ |
| key.height = region->height; |
| key.cpp = region->cpp; |
| |
| ret |= dri_bufmgr_check_aperture_space(region->buffer); |
| } else { |
| key.surface_type = BRW_SURFACE_NULL; |
| key.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM; |
| key.tiled = 0; |
| key.width = 1; |
| key.height = 1; |
| key.cpp = 4; |
| } |
| memcpy(key.color_mask, brw->attribs.Color->ColorMask, |
| sizeof(key.color_mask)); |
| key.color_blend = (!brw->attribs.Color->_LogicOpEnabled && |
| brw->attribs.Color->BlendEnabled); |
| |
| dri_bo_unreference(brw->wm.surf_bo[unit]); |
| brw->wm.surf_bo[unit] = NULL; |
| if (cached) |
| brw->wm.surf_bo[unit] = brw_search_cache(&brw->cache, BRW_SS_SURFACE, |
| &key, sizeof(key), |
| ®ion_bo, 1, |
| NULL); |
| |
| if (brw->wm.surf_bo[unit] == NULL) { |
| struct brw_surface_state surf; |
| |
| memset(&surf, 0, sizeof(surf)); |
| |
| surf.ss0.surface_format = key.surface_format; |
| surf.ss0.surface_type = key.surface_type; |
| if (region_bo != NULL) |
| surf.ss1.base_addr = region_bo->offset; /* reloc */ |
| |
| surf.ss2.width = key.width - 1; |
| surf.ss2.height = key.height - 1; |
| surf.ss3.tile_walk = BRW_TILEWALK_XMAJOR; |
| surf.ss3.tiled_surface = key.tiled; |
| surf.ss3.pitch = (key.width * key.cpp) - 1; |
| |
| /* _NEW_COLOR */ |
| surf.ss0.color_blend = key.color_blend; |
| surf.ss0.writedisable_red = !key.color_mask[0]; |
| surf.ss0.writedisable_green = !key.color_mask[1]; |
| surf.ss0.writedisable_blue = !key.color_mask[2]; |
| surf.ss0.writedisable_alpha = !key.color_mask[3]; |
| |
| /* Key size will never match key size for textures, so we're safe. */ |
| brw->wm.surf_bo[unit] = brw_upload_cache(&brw->cache, BRW_SS_SURFACE, |
| &key, sizeof(key), |
| ®ion_bo, 1, |
| &surf, sizeof(surf), |
| NULL, NULL); |
| if (region_bo != NULL) { |
| dri_emit_reloc(brw->wm.surf_bo[unit], |
| DRM_BO_FLAG_MEM_TT | |
| DRM_BO_FLAG_READ | |
| DRM_BO_FLAG_WRITE, |
| 0, |
| offsetof(struct brw_surface_state, ss1), |
| region_bo); |
| } |
| } |
| |
| ret |= dri_bufmgr_check_aperture_space(brw->wm.surf_bo[unit]); |
| |
| return ret; |
| } |
| |
| |
| /** |
| * Constructs the binding table for the WM surface state, which maps unit |
| * numbers to surface state objects. |
| */ |
| static dri_bo * |
| brw_wm_get_binding_table(struct brw_context *brw) |
| { |
| dri_bo *bind_bo; |
| |
| bind_bo = brw_search_cache(&brw->cache, BRW_SS_SURF_BIND, |
| NULL, 0, |
| brw->wm.surf_bo, brw->wm.nr_surfaces, |
| NULL); |
| |
| if (bind_bo == NULL) { |
| GLuint data_size = brw->wm.nr_surfaces * sizeof(GLuint); |
| uint32_t *data = malloc(data_size); |
| int i; |
| |
| for (i = 0; i < brw->wm.nr_surfaces; i++) |
| if (brw->wm.surf_bo[i]) |
| data[i] = brw->wm.surf_bo[i]->offset; |
| else |
| data[i] = 0; |
| |
| bind_bo = brw_upload_cache( &brw->cache, BRW_SS_SURF_BIND, |
| NULL, 0, |
| brw->wm.surf_bo, brw->wm.nr_surfaces, |
| data, data_size, |
| NULL, NULL); |
| |
| /* Emit binding table relocations to surface state */ |
| for (i = 0; i < BRW_WM_MAX_SURF; i++) { |
| if (brw->wm.surf_bo[i] != NULL) { |
| dri_emit_reloc(bind_bo, |
| DRM_BO_FLAG_MEM_TT | |
| DRM_BO_FLAG_READ | |
| DRM_BO_FLAG_WRITE, |
| 0, |
| i * sizeof(GLuint), |
| brw->wm.surf_bo[i]); |
| } |
| } |
| |
| free(data); |
| } |
| |
| return bind_bo; |
| } |
| |
| static int prepare_wm_surfaces(struct brw_context *brw ) |
| { |
| GLcontext *ctx = &brw->intel.ctx; |
| struct intel_context *intel = &brw->intel; |
| GLuint i, ret; |
| |
| if (brw->state.nr_draw_regions > 1) { |
| for (i = 0; i < brw->state.nr_draw_regions; i++) { |
| ret = brw_update_region_surface(brw, brw->state.draw_regions[i], i, |
| GL_FALSE); |
| if (ret) |
| return ret; |
| } |
| }else { |
| ret = brw_update_region_surface(brw, brw->state.draw_regions[0], 0, GL_TRUE); |
| if (ret) |
| return ret; |
| } |
| |
| brw->wm.nr_surfaces = MAX_DRAW_BUFFERS; |
| |
| for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { |
| struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[i]; |
| |
| /* _NEW_TEXTURE, BRW_NEW_TEXDATA */ |
| if(texUnit->_ReallyEnabled) { |
| if (texUnit->_Current == intel->frame_buffer_texobj) { |
| dri_bo_unreference(brw->wm.surf_bo[i+MAX_DRAW_BUFFERS]); |
| brw->wm.surf_bo[i+MAX_DRAW_BUFFERS] = brw->wm.surf_bo[0]; |
| dri_bo_reference(brw->wm.surf_bo[i+MAX_DRAW_BUFFERS]); |
| brw->wm.nr_surfaces = i + MAX_DRAW_BUFFERS + 1; |
| } else { |
| ret = brw_update_texture_surface(ctx, i); |
| brw->wm.nr_surfaces = i + MAX_DRAW_BUFFERS + 1; |
| |
| if (ret) |
| return ret; |
| } |
| } else { |
| dri_bo_unreference(brw->wm.surf_bo[i+MAX_DRAW_BUFFERS]); |
| brw->wm.surf_bo[i+MAX_DRAW_BUFFERS] = NULL; |
| } |
| |
| } |
| |
| dri_bo_unreference(brw->wm.bind_bo); |
| brw->wm.bind_bo = brw_wm_get_binding_table(brw); |
| |
| return dri_bufmgr_check_aperture_space(brw->wm.bind_bo); |
| } |
| |
| |
| const struct brw_tracked_state brw_wm_surfaces = { |
| .dirty = { |
| .mesa = _NEW_COLOR | _NEW_TEXTURE | _NEW_BUFFERS, |
| .brw = BRW_NEW_CONTEXT, |
| .cache = 0 |
| }, |
| .prepare = prepare_wm_surfaces, |
| }; |
| |
| |
| |