diff options
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_exa_tgsi.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c index b5288bde4fb..8e26b6f4a43 100644 --- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c +++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c @@ -18,22 +18,24 @@ #include "cso_cache/cso_hash.h" /* Vertex shader: - * IN[0] = src_pos - * IN[1] = mask_pos - * IN[2] = dst_pos + * IN[0] = vertex pos + * IN[1] = src tex coord | solid fill color + * IN[2] = mask tex coord + * IN[3] = dst tex coord * CONST[0] = (2/dst_width, 2/dst_height, 1, 1) * CONST[1] = (-1, -1, 0, 0) * - * OUT[0] = src_pos - * OUT[1] = mask_pos - * OUT[2] = dst_pos + * OUT[0] = vertex pos + * OUT[1] = src tex coord | solid fill color + * OUT[2] = mask tex coord + * OUT[3] = dst tex coord */ /* Fragment shader: * SAMP[0] = src * SAMP[1] = mask * SAMP[2] = dst - * IN[0] = pos src + * IN[0] = pos src | solid fill color * IN[1] = pos mask * IN[2] = pos dst * CONST[0] = (0, 0, 0, 1) @@ -92,6 +94,9 @@ create_vs(struct pipe_context *pipe, struct ureg_src src; struct ureg_dst dst; struct ureg_src const0, const1; + boolean is_fill = vs_traits & VS_FILL; + boolean is_composite = vs_traits & VS_COMPOSITE; + boolean has_mask = vs_traits & VS_MASK; ureg = ureg_create(TGSI_PROCESSOR_VERTEX); if (ureg == NULL) @@ -100,17 +105,33 @@ create_vs(struct pipe_context *pipe, const0 = ureg_DECL_constant(ureg); const1 = ureg_DECL_constant(ureg); - if ((vs_traits & VS_COMPOSITE)) { + /* it has to be either a fill or a composite op */ + debug_assert(is_fill ^ is_composite); + + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_POSITION, 0); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); + src = vs_normalize_coords(ureg, src, + const0, const1); + ureg_MOV(ureg, dst, src); + + + if (is_composite) { src = ureg_DECL_vs_input(ureg, - TGSI_SEMANTIC_POSITION, 0); - dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); - src = vs_normalize_coords(ureg, src, - const0, const1); + TGSI_SEMANTIC_GENERIC, 1); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0); ureg_MOV(ureg, dst, src); } - if ((vs_traits & VS_MASK)) { + if (is_fill) { + src = ureg_DECL_vs_input(ureg, + TGSI_SEMANTIC_COLOR, 1); + dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0); + ureg_MOV(ureg, dst, src); + } + + if (has_mask) { src = ureg_DECL_vs_input(ureg, - TGSI_SEMANTIC_POSITION, 1); + TGSI_SEMANTIC_GENERIC, 2); dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 1); ureg_MOV(ureg, dst, src); } |