diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_screen_texture.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_screen_texture.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_screen_texture.c b/src/gallium/drivers/i965/brw_screen_texture.c index 50c30878c6..3d069add6f 100644 --- a/src/gallium/drivers/i965/brw_screen_texture.c +++ b/src/gallium/drivers/i965/brw_screen_texture.c @@ -36,6 +36,166 @@ #define FILE_DEBUG_FLAG DEBUG_MIPTREE + + +static GLuint translate_tex_target( unsigned target ) +{ + switch (target) { + case PIPE_TEXTURE_1D: + return BRW_SURFACE_1D; + + case PIPE_TEXTURE_2D: + return BRW_SURFACE_2D; + + case PIPE_TEXTURE_3D: + return BRW_SURFACE_3D; + + case PIPE_TEXTURE_CUBE: + return BRW_SURFACE_CUBE; + + default: + assert(0); + return BRW_SURFACE_1D; + } +} + + +static GLuint translate_tex_format( enum pipe_format pf ) +{ + switch( pf ) { + case PIPE_FORMAT_L8_UNORM: + return BRW_SURFACEFORMAT_L8_UNORM; + + case PIPE_FORMAT_I8_UNORM: + return BRW_SURFACEFORMAT_I8_UNORM; + + case PIPE_FORMAT_A8_UNORM: + return BRW_SURFACEFORMAT_A8_UNORM; + + case PIPE_FORMAT_A8L8_UNORM: + return BRW_SURFACEFORMAT_L8A8_UNORM; + + case PIPE_FORMAT_A8R8G8B8_UNORM: /* XXX */ + case PIPE_FORMAT_B8G8R8A8_UNORM: /* XXX */ + case PIPE_FORMAT_R8G8B8A8_UNORM: /* XXX */ + return BRW_SURFACEFORMAT_B8G8R8A8_UNORM; + + case PIPE_FORMAT_R8G8B8X8_UNORM: + return BRW_SURFACEFORMAT_R8G8B8X8_UNORM; + + case PIPE_FORMAT_R5G6B5_UNORM: + return BRW_SURFACEFORMAT_B5G6R5_UNORM; + + case PIPE_FORMAT_A1R5G5B5_UNORM: + return BRW_SURFACEFORMAT_B5G5R5A1_UNORM; + + case PIPE_FORMAT_A4R4G4B4_UNORM: + return BRW_SURFACEFORMAT_B4G4R4A4_UNORM; + + + case PIPE_FORMAT_L16_UNORM: + return BRW_SURFACEFORMAT_L16_UNORM; + + /* XXX: Z texturing: + case PIPE_FORMAT_I16_UNORM: + return BRW_SURFACEFORMAT_I16_UNORM; + */ + + /* XXX: Z texturing: + case PIPE_FORMAT_A16_UNORM: + return BRW_SURFACEFORMAT_A16_UNORM; + */ + + case PIPE_FORMAT_YCBCR_REV: + return BRW_SURFACEFORMAT_YCRCB_NORMAL; + + case PIPE_FORMAT_YCBCR: + return BRW_SURFACEFORMAT_YCRCB_SWAPUVY; + + /* XXX: Add FXT to gallium? + case PIPE_FORMAT_FXT1_RGBA: + return BRW_SURFACEFORMAT_FXT1; + */ + + case PIPE_FORMAT_DXT1_RGB: + return BRW_SURFACEFORMAT_DXT1_RGB; + + case PIPE_FORMAT_DXT1_RGBA: + return BRW_SURFACEFORMAT_BC1_UNORM; + + case PIPE_FORMAT_DXT3_RGBA: + return BRW_SURFACEFORMAT_BC2_UNORM; + + case PIPE_FORMAT_DXT5_RGBA: + return BRW_SURFACEFORMAT_BC3_UNORM; + + case PIPE_FORMAT_R8G8B8A8_SRGB: + return BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB; + + case PIPE_FORMAT_A8L8_SRGB: + return BRW_SURFACEFORMAT_L8A8_UNORM_SRGB; + + case PIPE_FORMAT_L8_SRGB: + return BRW_SURFACEFORMAT_L8_UNORM_SRGB; + + case PIPE_FORMAT_DXT1_SRGB: + return BRW_SURFACEFORMAT_BC1_UNORM_SRGB; + + /* XXX: which pipe depth formats does i965 suppport + */ + case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + return BRW_SURFACEFORMAT_I24X8_UNORM; + +#if 0 + /* XXX: these different surface formats don't seem to + * make any difference for shadow sampler/compares. + */ + if (depth_mode == GL_INTENSITY) + return BRW_SURFACEFORMAT_I24X8_UNORM; + else if (depth_mode == GL_ALPHA) + return BRW_SURFACEFORMAT_A24X8_UNORM; + else + return BRW_SURFACEFORMAT_L24X8_UNORM; +#endif + + /* XXX: presumably for bump mapping. Add this to mesa state + * tracker? + */ + case PIPE_FORMAT_R8G8_SNORM: + return BRW_SURFACEFORMAT_R8G8_SNORM; + + case PIPE_FORMAT_R8G8B8A8_SNORM: + return BRW_SURFACEFORMAT_R8G8B8A8_SNORM; + + default: + assert(0); + return 0; + } +} + +static void +brw_set_surface_tiling(struct brw_surface_state *surf, uint32_t tiling) +{ + switch (tiling) { + case BRW_TILING_NONE: + surf->ss3.tiled_surface = 0; + surf->ss3.tile_walk = 0; + break; + case BRW_TILING_X: + surf->ss3.tiled_surface = 1; + surf->ss3.tile_walk = BRW_TILEWALK_XMAJOR; + break; + case BRW_TILING_Y: + surf->ss3.tiled_surface = 1; + surf->ss3.tile_walk = BRW_TILEWALK_YMAJOR; + break; + } +} + + GLboolean brw_miptree_layout(struct brw_context *brw, struct intel_mipmap_tree *mt, uint32_t tiling) @@ -216,3 +376,58 @@ GLboolean brw_miptree_layout(struct brw_context *brw, return GL_TRUE; } + +static void brw_create_texture( struct pipe_screen *screen, + const pipe_texture *templ ) + +{ + + key.format = tex->base.format; + key.pitch = tex->pitch; + key.depth = tex->base.depth[0]; + key.bo = tex->buffer; + key.offset = 0; + + key.target = tex->brw_target; /* translated to BRW enum */ + //key.depthmode = 0; /* XXX: add this to gallium? or the state tracker? */ + key.last_level = tex->base.last_level; + key.width = tex->base.depth[0]; + key.height = tex->base.height[0]; + key.cpp = tex->cpp; + key.tiling = tex->tiling; + + + + surf.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; + surf.ss0.surface_type = translate_tex_target(key->target); + surf.ss0.surface_format = translate_tex_format(key->format /* , key->depthmode */ ); + + /* This is ok for all textures with channel width 8bit or less: + */ +/* surf.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */ + assert(key->bo); + surf.ss1.base_addr = key->bo->offset; /* reloc */ + surf.ss2.mip_count = key->last_level; + surf.ss2.width = key->width - 1; + surf.ss2.height = key->height - 1; + brw_set_surface_tiling(&surf, key->tiling); + surf.ss3.pitch = (key->pitch * key->cpp) - 1; + surf.ss3.depth = key->depth - 1; + + surf.ss4.min_lod = 0; + + if (key->target == PIPE_TEXTURE_CUBE) { + 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; + } + +} + + + + + |