diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_simple_shaders.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_simple_shaders.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c index adf4887d5..edb30379b 100644 --- a/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c +++ b/mesalib/src/gallium/auxiliary/util/u_simple_shaders.c @@ -59,11 +59,13 @@ void * util_make_vertex_passthrough_shader(struct pipe_context *pipe, uint num_attribs, const uint *semantic_names, - const uint *semantic_indexes) + const uint *semantic_indexes, + bool window_space) { return util_make_vertex_passthrough_shader_with_so(pipe, num_attribs, semantic_names, - semantic_indexes, NULL); + semantic_indexes, + window_space, NULL); } void * @@ -71,6 +73,7 @@ util_make_vertex_passthrough_shader_with_so(struct pipe_context *pipe, uint num_attribs, const uint *semantic_names, const uint *semantic_indexes, + bool window_space, const struct pipe_stream_output_info *so) { struct ureg_program *ureg; @@ -80,6 +83,9 @@ util_make_vertex_passthrough_shader_with_so(struct pipe_context *pipe, if (ureg == NULL) return NULL; + if (window_space) + ureg_property(ureg, TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION, TRUE); + for (i = 0; i < num_attribs; i++) { struct ureg_src src; struct ureg_dst dst; @@ -124,6 +130,76 @@ void *util_make_layered_clear_vertex_shader(struct pipe_context *pipe) return pipe->create_vs_state(pipe, &state); } +/** + * Takes position and color, and outputs position, color, and instance id. + */ +void *util_make_layered_clear_helper_vertex_shader(struct pipe_context *pipe) +{ + static const char text[] = + "VERT\n" + "DCL IN[0]\n" + "DCL IN[1]\n" + "DCL SV[0], INSTANCEID\n" + "DCL OUT[0], POSITION\n" + "DCL OUT[1], GENERIC[0]\n" + "DCL OUT[2], GENERIC[1]\n" + + "MOV OUT[0], IN[0]\n" + "MOV OUT[1], IN[1]\n" + "MOV OUT[2].x, SV[0].xxxx\n" + "END\n"; + struct tgsi_token tokens[1000]; + struct pipe_shader_state state = {tokens}; + + if (!tgsi_text_translate(text, tokens, Elements(tokens))) { + assert(0); + return NULL; + } + return pipe->create_vs_state(pipe, &state); +} + +/** + * Takes position, color, and target layer, and emits vertices on that target + * layer, with the specified color. + */ +void *util_make_layered_clear_geometry_shader(struct pipe_context *pipe) +{ + static const char text[] = + "GEOM\n" + "PROPERTY GS_INPUT_PRIMITIVE TRIANGLES\n" + "PROPERTY GS_OUTPUT_PRIMITIVE TRIANGLE_STRIP\n" + "PROPERTY GS_MAX_OUTPUT_VERTICES 3\n" + "PROPERTY GS_INVOCATIONS 1\n" + "DCL IN[][0], POSITION\n" /* position */ + "DCL IN[][1], GENERIC[0]\n" /* color */ + "DCL IN[][2], GENERIC[1]\n" /* vs invocation */ + "DCL OUT[0], POSITION\n" + "DCL OUT[1], GENERIC[0]\n" + "DCL OUT[2], LAYER\n" + "IMM[0] INT32 {0, 0, 0, 0}\n" + + "MOV OUT[0], IN[0][0]\n" + "MOV OUT[1], IN[0][1]\n" + "MOV OUT[2].x, IN[0][2].xxxx\n" + "EMIT IMM[0].xxxx\n" + "MOV OUT[0], IN[1][0]\n" + "MOV OUT[1], IN[1][1]\n" + "MOV OUT[2].x, IN[1][2].xxxx\n" + "EMIT IMM[0].xxxx\n" + "MOV OUT[0], IN[2][0]\n" + "MOV OUT[1], IN[2][1]\n" + "MOV OUT[2].x, IN[2][2].xxxx\n" + "EMIT IMM[0].xxxx\n" + "END\n"; + struct tgsi_token tokens[1000]; + struct pipe_shader_state state = {tokens}; + + if (!tgsi_text_translate(text, tokens, Elements(tokens))) { + assert(0); + return NULL; + } + return pipe->create_gs_state(pipe, &state); +} /** * Make simple fragment texture shader: |