diff options
author | Michal Krol <michal@vmware.com> | 2010-01-05 11:04:50 +0100 |
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committer | Michal Krol <michal@vmware.com> | 2010-01-05 11:04:50 +0100 |
commit | 9b21b3c52a8a7d58d08151d1a6bf25c472dec213 (patch) | |
tree | d9083b6af4e2e9b70a7fa6cd31bac45a36e0f6b6 /src/gallium/auxiliary/draw/draw_context.c | |
parent | 543b9566bdaa48fea2df1866fa1310c1cdbcde27 (diff) | |
parent | 1f9aa38f4e2be47229d92be2c1189c2b8d9c7133 (diff) |
Merge branch 'master' into instanced-arrays
Conflicts:
src/gallium/auxiliary/tgsi/tgsi_dump.c
src/gallium/include/pipe/p_shader_tokens.h
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_context.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_context.c | 77 |
1 files changed, 61 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index cc5f7f0105..667aa46b20 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -36,6 +36,7 @@ #include "draw_context.h" #include "draw_vbuf.h" #include "draw_vs.h" +#include "draw_gs.h" #include "draw_pt.h" #include "draw_pipe.h" @@ -67,6 +68,9 @@ struct draw_context *draw_create( void ) if (!draw_vs_init( draw )) goto fail; + if (!draw_gs_init( draw )) + goto fail; + return draw; fail: @@ -231,11 +235,19 @@ draw_set_mapped_vertex_buffer(struct draw_context *draw, void draw_set_mapped_constant_buffer(struct draw_context *draw, - const void *buffer, + unsigned shader_type, + const void *buffer, unsigned size ) { - draw->pt.user.constants = buffer; - draw_vs_set_constants( draw, (const float (*)[4])buffer, size ); + debug_assert(shader_type == PIPE_SHADER_VERTEX || + shader_type == PIPE_SHADER_GEOMETRY); + if (shader_type == PIPE_SHADER_VERTEX) { + draw->pt.user.vs_constants = buffer; + draw_vs_set_constants( draw, (const float (*)[4])buffer, size ); + } else if (shader_type == PIPE_SHADER_GEOMETRY) { + draw->pt.user.gs_constants = buffer; + draw_gs_set_constants( draw, (const float (*)[4])buffer, size ); + } } @@ -298,7 +310,7 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable ) * a post-transformed vertex. * * With this function, drivers that use the draw module should have no reason - * to track the current vertex shader. + * to track the current vertex/geometry shader. * * Note that the draw module may sometimes generate vertices with extra * attributes (such as texcoords for AA lines). The driver can call this @@ -309,43 +321,59 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable ) * work for the drivers. */ int -draw_find_vs_output(const struct draw_context *draw, - uint semantic_name, uint semantic_index) +draw_find_shader_output(const struct draw_context *draw, + uint semantic_name, uint semantic_index) { const struct draw_vertex_shader *vs = draw->vs.vertex_shader; + const struct draw_geometry_shader *gs = draw->gs.geometry_shader; uint i; - for (i = 0; i < vs->info.num_outputs; i++) { - if (vs->info.output_semantic_name[i] == semantic_name && - vs->info.output_semantic_index[i] == semantic_index) + const struct tgsi_shader_info *info = &vs->info; + + if (gs) + info = &gs->info; + + for (i = 0; i < info->num_outputs; i++) { + if (info->output_semantic_name[i] == semantic_name && + info->output_semantic_index[i] == semantic_index) return i; } /* XXX there may be more than one extra vertex attrib. * For example, simulated gl_FragCoord and gl_PointCoord. */ - if (draw->extra_vp_outputs.semantic_name == semantic_name && - draw->extra_vp_outputs.semantic_index == semantic_index) { - return draw->extra_vp_outputs.slot; + if (draw->extra_shader_outputs.semantic_name == semantic_name && + draw->extra_shader_outputs.semantic_index == semantic_index) { + return draw->extra_shader_outputs.slot; } + return 0; } /** - * Return number of vertex shader outputs. + * Return number of the shader outputs. + * + * If geometry shader is present, its output will be returned, + * if not vertex shader is used. */ uint -draw_num_vs_outputs(const struct draw_context *draw) +draw_num_shader_outputs(const struct draw_context *draw) { uint count = draw->vs.vertex_shader->info.num_outputs; - if (draw->extra_vp_outputs.slot > 0) + + /* if geometry shader is present, its outputs go to te + * driver, not the vertex shaders */ + if (draw->gs.geometry_shader) + count = draw->gs.geometry_shader->info.num_outputs; + + if (draw->extra_shader_outputs.slot > 0) count++; return count; } /** - * Provide TGSI sampler objects for vertex shaders that use texture fetches. + * Provide TGSI sampler objects for vertex/geometry shaders that use texture fetches. * This might only be used by software drivers for the time being. */ void @@ -355,6 +383,8 @@ draw_texture_samplers(struct draw_context *draw, { draw->vs.num_samplers = num_samplers; draw->vs.samplers = samplers; + draw->gs.num_samplers = num_samplers; + draw->gs.samplers = samplers; } @@ -421,3 +451,18 @@ void draw_do_flush( struct draw_context *draw, unsigned flags ) draw->flushing = FALSE; } } + + +int draw_current_shader_outputs(struct draw_context *draw) +{ + if (draw->gs.geometry_shader) + return draw->gs.num_gs_outputs; + return draw->vs.num_vs_outputs; +} + +int draw_current_shader_position_output(struct draw_context *draw) +{ + if (draw->gs.geometry_shader) + return draw->gs.position_output; + return draw->vs.position_output; +} |