From 89d8577fb3036547ef0b47498cc8dc5c77f886e0 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Mon, 14 Dec 2009 17:11:46 -0500 Subject: gallium: add geometry shader support to gallium --- src/gallium/drivers/softpipe/sp_draw_arrays.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) (limited to 'src/gallium/drivers/softpipe/sp_draw_arrays.c') diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index 518ef8806e..9ea5d6fb9f 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -48,7 +48,7 @@ static void softpipe_map_constant_buffers(struct softpipe_context *sp) { struct pipe_winsys *ws = sp->pipe.winsys; - uint i, size; + uint i, vssize, gssize; for (i = 0; i < PIPE_SHADER_TYPES; i++) { if (sp->constants[i].buffer && sp->constants[i].buffer->size) @@ -57,13 +57,21 @@ softpipe_map_constant_buffers(struct softpipe_context *sp) } if (sp->constants[PIPE_SHADER_VERTEX].buffer) - size = sp->constants[PIPE_SHADER_VERTEX].buffer->size; + vssize = sp->constants[PIPE_SHADER_VERTEX].buffer->size; else - size = 0; + vssize = 0; - draw_set_mapped_constant_buffer(sp->draw, + if (sp->constants[PIPE_SHADER_GEOMETRY].buffer) + gssize = sp->constants[PIPE_SHADER_GEOMETRY].buffer->size; + else + gssize = 0; + + draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, sp->mapped_constants[PIPE_SHADER_VERTEX], - size); + vssize); + draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY, + sp->mapped_constants[PIPE_SHADER_GEOMETRY], + gssize); } @@ -78,9 +86,10 @@ softpipe_unmap_constant_buffers(struct softpipe_context *sp) */ draw_flush(sp->draw); - draw_set_mapped_constant_buffer(sp->draw, NULL, 0); + draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, NULL, 0); + draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_GEOMETRY, NULL, 0); - for (i = 0; i < 2; i++) { + for (i = 0; i < PIPE_SHADER_TYPES; i++) { if (sp->constants[i].buffer && sp->constants[i].buffer->size) ws->buffer_unmap(ws, sp->constants[i].buffer); sp->mapped_constants[i] = NULL; -- cgit v1.2.3 From 41450b03a8e8e0f94f8eefc6880d32e9b0ef6f6d Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 31 Dec 2009 14:46:15 -0700 Subject: softpipe: implement conditional rendering --- src/gallium/drivers/softpipe/sp_clear.c | 4 ++++ src/gallium/drivers/softpipe/sp_context.c | 15 +++++++++++++++ src/gallium/drivers/softpipe/sp_context.h | 4 ++++ src/gallium/drivers/softpipe/sp_draw_arrays.c | 4 ++++ src/gallium/drivers/softpipe/sp_query.c | 26 ++++++++++++++++++++++++++ src/gallium/drivers/softpipe/sp_query.h | 4 ++++ 6 files changed, 57 insertions(+) (limited to 'src/gallium/drivers/softpipe/sp_draw_arrays.c') diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c index f98087deb8..5f130453c3 100644 --- a/src/gallium/drivers/softpipe/sp_clear.c +++ b/src/gallium/drivers/softpipe/sp_clear.c @@ -36,6 +36,7 @@ #include "util/u_pack_color.h" #include "sp_clear.h" #include "sp_context.h" +#include "sp_query.h" #include "sp_tile_cache.h" @@ -55,6 +56,9 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, if (softpipe->no_rast) return; + if (!softpipe_check_render_cond(softpipe)) + return; + #if 0 softpipe_update_derived(softpipe); /* not needed?? */ #endif diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c index 82173a3c2a..f3ac6760db 100644 --- a/src/gallium/drivers/softpipe/sp_context.c +++ b/src/gallium/drivers/softpipe/sp_context.c @@ -176,6 +176,19 @@ softpipe_is_buffer_referenced( struct pipe_context *pipe, } +static void +softpipe_render_condition( struct pipe_context *pipe, + struct pipe_query *query, + uint mode ) +{ + struct softpipe_context *softpipe = softpipe_context( pipe ); + + softpipe->render_cond_query = query; + softpipe->render_cond_mode = mode; +} + + + struct pipe_context * softpipe_create( struct pipe_screen *screen ) { @@ -252,6 +265,8 @@ softpipe_create( struct pipe_screen *screen ) softpipe_init_query_funcs( softpipe ); + softpipe->pipe.render_condition = softpipe_render_condition; + /* * Alloc caches for accessing drawing surfaces and textures. * Must be before quad stage setup! diff --git a/src/gallium/drivers/softpipe/sp_context.h b/src/gallium/drivers/softpipe/sp_context.h index 6a89bd4b06..73fa744f9d 100644 --- a/src/gallium/drivers/softpipe/sp_context.h +++ b/src/gallium/drivers/softpipe/sp_context.h @@ -116,6 +116,10 @@ struct softpipe_context { unsigned line_stipple_counter; + /** Conditional query object and mode */ + struct pipe_query *render_cond_query; + uint render_cond_mode; + /** Software quad rendering pipeline */ struct { struct quad_stage *shade; diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index 9ea5d6fb9f..7409c3c488 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -38,6 +38,7 @@ #include "util/u_prim.h" #include "sp_context.h" +#include "sp_query.h" #include "sp_state.h" #include "draw/draw_context.h" @@ -122,6 +123,9 @@ softpipe_draw_range_elements(struct pipe_context *pipe, struct draw_context *draw = sp->draw; unsigned i; + if (!softpipe_check_render_cond(sp)) + return TRUE; + sp->reduced_api_prim = u_reduced_prim(mode); if (sp->dirty) diff --git a/src/gallium/drivers/softpipe/sp_query.c b/src/gallium/drivers/softpipe/sp_query.c index 379cf4ad06..4ef5d9f7b1 100644 --- a/src/gallium/drivers/softpipe/sp_query.c +++ b/src/gallium/drivers/softpipe/sp_query.c @@ -99,6 +99,32 @@ softpipe_get_query_result(struct pipe_context *pipe, } +/** + * Called by rendering function to check rendering is conditional. + * \return TRUE if we should render, FALSE if we should skip rendering + */ +boolean +softpipe_check_render_cond(struct softpipe_context *sp) +{ + struct pipe_context *pipe = &sp->pipe; + boolean b, wait; + uint64_t result; + + if (!sp->render_cond_query) { + return TRUE; /* no query predicate, draw normally */ + } + + wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT || + sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT); + + b = pipe->get_query_result(pipe, sp->render_cond_query, wait, &result); + if (b) + return result > 0; + else + return TRUE; +} + + void softpipe_init_query_funcs(struct softpipe_context *softpipe ) { softpipe->pipe.create_query = softpipe_create_query; diff --git a/src/gallium/drivers/softpipe/sp_query.h b/src/gallium/drivers/softpipe/sp_query.h index 05060a4575..736c033897 100644 --- a/src/gallium/drivers/softpipe/sp_query.h +++ b/src/gallium/drivers/softpipe/sp_query.h @@ -32,6 +32,10 @@ #ifndef SP_QUERY_H #define SP_QUERY_H +extern boolean +softpipe_check_render_cond(struct softpipe_context *sp); + + struct softpipe_context; extern void softpipe_init_query_funcs(struct softpipe_context * ); -- cgit v1.2.3