diff options
author | Eric Anholt <[email protected]> | 2011-04-27 21:50:20 -0700 |
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committer | Eric Anholt <[email protected]> | 2011-05-31 12:07:28 -0700 |
commit | ae5c1fceba383d13ab66f1c8db652bd98dfa4a26 (patch) | |
tree | 4ffe7aa9fba24a2855c05d583dc8f4e3fe0b2437 /src/mesa | |
parent | 7d437b1f7fb64f187125a393eebe1d1c17db9961 (diff) |
i965: Replace structs with bitfield shifting for WM texture surfaces.
This massively reduces compiled size (4.9% of brw_wm_surface_state.o).
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index f5c06949c54..fddab05f481 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -219,6 +219,19 @@ brw_set_surface_tiling(struct brw_surface_state *surf, uint32_t tiling) } } +static uint32_t +brw_get_surface_tiling_bits(uint32_t tiling) +{ + switch (tiling) { + case I915_TILING_X: + return BRW_SURFACE_TILED; + case I915_TILING_Y: + return BRW_SURFACE_TILED | BRW_SURFACE_TILED_Y; + default: + return 0; + } +} + static void brw_update_texture_surface( struct gl_context *ctx, GLuint unit ) { @@ -228,46 +241,36 @@ brw_update_texture_surface( struct gl_context *ctx, GLuint unit ) struct gl_texture_image *firstImage = tObj->Image[0][tObj->BaseLevel]; struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit); const GLuint surf_index = SURF_INDEX_TEXTURE(unit); - struct brw_surface_state *surf; + uint32_t *surf; - surf = brw_state_batch(brw, sizeof(*surf), 32, - &brw->wm.surf_offset[surf_index]); - memset(surf, 0, sizeof(*surf)); + surf = brw_state_batch(brw, 6 * 4, 32, &brw->wm.surf_offset[surf_index]); - surf->ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; - surf->ss0.surface_type = translate_tex_target(tObj->Target); - surf->ss0.surface_format = translate_tex_format(firstImage->TexFormat, - firstImage->InternalFormat, - sampler->DepthMode, - sampler->sRGBDecode); + surf[0] = (translate_tex_target(tObj->Target) << BRW_SURFACE_TYPE_SHIFT | + BRW_SURFACE_MIPMAPLAYOUT_BELOW << BRW_SURFACE_MIPLAYOUT_SHIFT | + BRW_SURFACE_CUBEFACE_ENABLES | + (translate_tex_format(firstImage->TexFormat, + firstImage->InternalFormat, + sampler->DepthMode, + sampler->sRGBDecode) << + BRW_SURFACE_FORMAT_SHIFT)); - /* This is ok for all textures with channel width 8bit or less: - */ -/* surf->ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */ - surf->ss1.base_addr = intelObj->mt->region->buffer->offset; /* reloc */ + surf[1] = intelObj->mt->region->buffer->offset; /* reloc */ - surf->ss2.mip_count = intelObj->_MaxLevel - tObj->BaseLevel; - surf->ss2.width = firstImage->Width - 1; - surf->ss2.height = firstImage->Height - 1; - brw_set_surface_tiling(surf, intelObj->mt->region->tiling); - surf->ss3.pitch = (intelObj->mt->region->pitch * intelObj->mt->cpp) - 1; - surf->ss3.depth = firstImage->Depth - 1; + surf[2] = ((intelObj->_MaxLevel - tObj->BaseLevel) << BRW_SURFACE_LOD_SHIFT | + (firstImage->Width - 1) << BRW_SURFACE_WIDTH_SHIFT | + (firstImage->Height - 1) << BRW_SURFACE_HEIGHT_SHIFT); - surf->ss4.min_lod = 0; - - if (tObj->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; - } + surf[3] = (brw_get_surface_tiling_bits(intelObj->mt->region->tiling) | + (firstImage->Depth - 1) << BRW_SURFACE_DEPTH_SHIFT | + ((intelObj->mt->region->pitch * intelObj->mt->cpp) - 1) << + BRW_SURFACE_PITCH_SHIFT); + + surf[4] = 0; + surf[5] = 0; /* Emit relocation to surface contents */ drm_intel_bo_emit_reloc(brw->intel.batch.bo, - brw->wm.surf_offset[surf_index] + - offsetof(struct brw_surface_state, ss1), + brw->wm.surf_offset[surf_index] + 4, intelObj->mt->region->buffer, 0, I915_GEM_DOMAIN_SAMPLER, 0); } |