diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_tgsi_decl_sm30.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_tgsi_decl_sm30.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c b/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c index 1c385cc7e81..3b70a3a7635 100644 --- a/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c +++ b/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c @@ -121,29 +121,35 @@ static boolean ps30_input( struct svga_shader_emitter *emit, SVGA3dShaderDestToken reg; if (semantic.Name == TGSI_SEMANTIC_POSITION) { + emit->ps_true_pos = src_register( SVGA3DREG_MISCTYPE, SVGA3DMISCREG_POSITION ); - emit->ps_true_pos.base.swizzle = TRANSLATE_SWIZZLE( TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y ); + reg = writemask( dst(emit->ps_true_pos), + TGSI_WRITEMASK_XY ); + emit->ps_reads_pos = TRUE; - emit->ps_temp_pos = dst_register( SVGA3DREG_TEMP, - emit->nr_hw_temp ); - emit->ps_depth_pos = src_register( SVGA3DREG_INPUT, emit->ps30_input_count++ ); - - emit->input_map[idx] = src_register( SVGA3DREG_TEMP, + if (emit->info.reads_z) { + emit->ps_temp_pos = dst_register( SVGA3DREG_TEMP, emit->nr_hw_temp ); - emit->nr_hw_temp++; + emit->ps_depth_pos = src_register( SVGA3DREG_INPUT, + emit->ps30_input_count++ ); - reg = writemask( dst(emit->ps_true_pos), - TGSI_WRITEMASK_XY ); + emit->input_map[idx] = src_register( SVGA3DREG_TEMP, + emit->nr_hw_temp ); + emit->nr_hw_temp++; + + if (!emit_decl( emit, dst( emit->ps_depth_pos ), + SVGA3D_DECLUSAGE_TEXCOORD, 1 )) + return FALSE; + } + else { + emit->input_map[idx] = emit->ps_true_pos; + } - emit->ps_reads_pos = TRUE; - if (!emit_decl( emit, dst(emit->ps_depth_pos), - SVGA3D_DECLUSAGE_TEXCOORD, 1 )) - return FALSE; return emit_decl( emit, reg, 0, 0 ); } else if (emit->key.fkey.light_twoside && |