From d56a3adc30c19c8f00cb7dc585e86babfd3a79a7 Mon Sep 17 00:00:00 2001 From: Brian Date: Mon, 10 Sep 2007 16:29:23 -0600 Subject: More work on vertex feedback / glRasterPos. Basic rasterpos works now. --- src/mesa/pipe/draw/draw_context.c | 10 ++++++++++ src/mesa/pipe/draw/draw_context.h | 3 +++ src/mesa/pipe/draw/draw_feedback.c | 3 ++- src/mesa/pipe/p_context.h | 10 ++++------ src/mesa/pipe/p_state.h | 9 +++++++++ src/mesa/pipe/softpipe/Makefile | 1 + src/mesa/pipe/softpipe/sp_context.c | 3 +++ src/mesa/pipe/softpipe/sp_context.h | 4 ++++ src/mesa/pipe/softpipe/sp_draw_arrays.c | 24 ++++++++++++++++++++++++ src/mesa/pipe/softpipe/sp_state.h | 9 +++++++++ 10 files changed, 69 insertions(+), 7 deletions(-) (limited to 'src') diff --git a/src/mesa/pipe/draw/draw_context.c b/src/mesa/pipe/draw/draw_context.c index 3c095810e55..4498293e92b 100644 --- a/src/mesa/pipe/draw/draw_context.c +++ b/src/mesa/pipe/draw/draw_context.c @@ -48,6 +48,7 @@ struct draw_context *draw_create( void ) draw->pipeline.clip = draw_clip_stage( draw ); draw->pipeline.flatshade = draw_flatshade_stage( draw ); draw->pipeline.cull = draw_cull_stage( draw ); + draw->pipeline.feedback = draw_feedback_stage( draw ); ASSIGN_4V( draw->plane[0], -1, 0, 0, 1 ); ASSIGN_4V( draw->plane[1], 1, 0, 0, 1 ); @@ -147,6 +148,14 @@ static void validate_pipeline( struct draw_context *draw ) } +void draw_set_feedback_state( struct draw_context *draw, + const struct pipe_feedback_state *feedback ) +{ + draw->feedback = *feedback; + validate_pipeline( draw ); +} + + /** * Register new primitive setup/rendering state. * This causes the drawing pipeline to be rebuilt. @@ -245,6 +254,7 @@ void draw_set_mapped_feedback_buffer(struct draw_context *draw, uint index, void *buffer, uint size) { + assert(index < PIPE_MAX_FEEDBACK_ATTRIBS); draw->mapped_feedback_buffer[index] = buffer; draw->mapped_feedback_buffer_size[index] = size; /* in bytes */ } diff --git a/src/mesa/pipe/draw/draw_context.h b/src/mesa/pipe/draw/draw_context.h index 50315749693..2babc02f45f 100644 --- a/src/mesa/pipe/draw/draw_context.h +++ b/src/mesa/pipe/draw/draw_context.h @@ -83,6 +83,9 @@ void draw_set_viewport_state( struct draw_context *draw, void draw_set_clip_state( struct draw_context *pipe, const struct pipe_clip_state *clip ); +void draw_set_feedback_state( struct draw_context *draw, + const struct pipe_feedback_state * ); + void draw_set_setup_state( struct draw_context *draw, const struct pipe_setup_state *setup ); diff --git a/src/mesa/pipe/draw/draw_feedback.c b/src/mesa/pipe/draw/draw_feedback.c index 2729f44dc69..ecdd98e83d7 100644 --- a/src/mesa/pipe/draw/draw_feedback.c +++ b/src/mesa/pipe/draw/draw_feedback.c @@ -81,7 +81,8 @@ feedback_vertex(struct draw_stage *stage, const struct vertex_header *vertex) for (i = 0; i < feedback->num_attribs; i++) { const uint attr = feedback->attrib[i]; - const float *src = attr ? vertex->data[attr] : vertex->clip; + const uint slot = stage->draw->vertex_info.attrib_to_slot[attr]; + const float *src = attr ? vertex->data[slot] : vertex->clip; const uint size = feedback->size[i]; float *dest = fs->dest[i * select]; diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h index c9246e883ad..27a1128365e 100644 --- a/src/mesa/pipe/p_context.h +++ b/src/mesa/pipe/p_context.h @@ -106,6 +106,9 @@ struct pipe_context { void (*set_depth_state)( struct pipe_context *, const struct pipe_depth_state * ); + void (*set_feedback_state)( struct pipe_context *, + const struct pipe_feedback_state *); + void (*set_framebuffer_state)( struct pipe_context *, const struct pipe_framebuffer_state * ); @@ -154,13 +157,8 @@ struct pipe_context { */ void (*set_feedback_buffer)(struct pipe_context *, unsigned index, - struct pipe_vertex_buffer *); - - void (*set_feedback_element)(struct pipe_context *, - unsigned index, - const struct pipe_vertex_element *); + const struct pipe_feedback_buffer *); - /* * Surface functions * This might go away... diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h index cad96807df3..ccd40d39e66 100644 --- a/src/mesa/pipe/p_state.h +++ b/src/mesa/pipe/p_state.h @@ -371,5 +371,14 @@ struct pipe_vertex_element }; +/** + * Vertex feedback buffer + */ +struct pipe_feedback_buffer { + struct pipe_buffer_handle *buffer; + unsigned size; + unsigned start_offset; +}; + #endif diff --git a/src/mesa/pipe/softpipe/Makefile b/src/mesa/pipe/softpipe/Makefile index ffa31102d55..401df1cfb76 100644 --- a/src/mesa/pipe/softpipe/Makefile +++ b/src/mesa/pipe/softpipe/Makefile @@ -26,6 +26,7 @@ DRIVER_SOURCES = \ sp_state_blend.c \ sp_state_clip.c \ sp_state_derived.c \ + sp_state_feedback.c \ sp_state_fs.c \ sp_state_sampler.c \ sp_state_setup.c \ diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c index 5404b7f7905..26453d97852 100644 --- a/src/mesa/pipe/softpipe/sp_context.c +++ b/src/mesa/pipe/softpipe/sp_context.c @@ -239,6 +239,7 @@ struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys, softpipe->pipe.set_clear_color_state = softpipe_set_clear_color_state; softpipe->pipe.set_constant_buffer = softpipe_set_constant_buffer; softpipe->pipe.set_depth_state = softpipe_set_depth_test_state; + softpipe->pipe.set_feedback_state = softpipe_set_feedback_state; softpipe->pipe.set_framebuffer_state = softpipe_set_framebuffer_state; softpipe->pipe.set_fs_state = softpipe_set_fs_state; softpipe->pipe.set_vs_state = softpipe_set_vs_state; @@ -249,8 +250,10 @@ struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys, softpipe->pipe.set_stencil_state = softpipe_set_stencil_state; softpipe->pipe.set_texture_state = softpipe_set_texture_state; softpipe->pipe.set_viewport_state = softpipe_set_viewport_state; + softpipe->pipe.set_vertex_buffer = softpipe_set_vertex_buffer; softpipe->pipe.set_vertex_element = softpipe_set_vertex_element; + softpipe->pipe.set_feedback_buffer = softpipe_set_feedback_buffer; softpipe->pipe.draw_arrays = softpipe_draw_arrays; softpipe->pipe.draw_elements = softpipe_draw_elements; diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h index fd0af6f727d..2a6b932523a 100644 --- a/src/mesa/pipe/softpipe/sp_context.h +++ b/src/mesa/pipe/softpipe/sp_context.h @@ -78,6 +78,7 @@ struct softpipe_context { struct pipe_clip_state clip; struct pipe_constant_buffer constants[2]; struct pipe_depth_state depth_test; + struct pipe_feedback_state feedback; struct pipe_framebuffer_state framebuffer; struct pipe_shader_state fs; struct pipe_shader_state vs; @@ -107,6 +108,9 @@ struct softpipe_context { boolean need_z; /**< produce quad/fragment Z values? */ boolean need_w; /**< produce quad/fragment W values? */ + /** Feedback buffers */ + struct pipe_feedback_buffer feedback_buffer[PIPE_MAX_FEEDBACK_ATTRIBS]; + #if 0 /* Stipple derived state: */ diff --git a/src/mesa/pipe/softpipe/sp_draw_arrays.c b/src/mesa/pipe/softpipe/sp_draw_arrays.c index 5198a493da3..7ea29a0a269 100644 --- a/src/mesa/pipe/softpipe/sp_draw_arrays.c +++ b/src/mesa/pipe/softpipe/sp_draw_arrays.c @@ -135,6 +135,19 @@ softpipe_draw_elements(struct pipe_context *pipe, draw_set_mapped_element_buffer(draw, 0, NULL); } + /* Map feedback buffers if enabled */ + if (sp->feedback.enabled) { + const uint n = sp->feedback.interleaved ? 1 : sp->feedback.num_attribs; + for (i = 0; i < n; i++) { + void *ptr = pipe->winsys->buffer_map(pipe->winsys, + sp->feedback_buffer[i].buffer, + PIPE_BUFFER_FLAG_WRITE); + draw_set_mapped_feedback_buffer(draw, i, ptr, + sp->feedback_buffer[i].size); + } + } + + /* draw! */ draw_arrays(draw, mode, start, count); @@ -152,6 +165,17 @@ softpipe_draw_elements(struct pipe_context *pipe, draw_set_mapped_element_buffer(draw, 0, NULL); } + /* Unmap feedback buffers if enabled */ + if (sp->feedback.enabled) { + const uint n = sp->feedback.interleaved ? 1 : sp->feedback.num_attribs; + for (i = 0; i < n; i++) { + pipe->winsys->buffer_unmap(pipe->winsys, + sp->feedback_buffer[i].buffer); + draw_set_mapped_feedback_buffer(draw, i, NULL, 0); + } + } + + softpipe_unmap_surfaces(sp); softpipe_unmap_constant_buffers(sp); diff --git a/src/mesa/pipe/softpipe/sp_state.h b/src/mesa/pipe/softpipe/sp_state.h index 354580b2a5a..f40ebe3e2b8 100644 --- a/src/mesa/pipe/softpipe/sp_state.h +++ b/src/mesa/pipe/softpipe/sp_state.h @@ -59,6 +59,9 @@ void softpipe_set_constant_buffer(struct pipe_context *, void softpipe_set_depth_test_state( struct pipe_context *, const struct pipe_depth_state * ); +void softpipe_set_feedback_state( struct pipe_context *, + const struct pipe_feedback_state * ); + void softpipe_set_fs_state( struct pipe_context *, const struct pipe_shader_state * ); @@ -96,6 +99,12 @@ void softpipe_set_vertex_buffer(struct pipe_context *, unsigned index, const struct pipe_vertex_buffer *); +void softpipe_set_feedback_buffer(struct pipe_context *, + uint index, + const struct pipe_feedback_buffer *); + + + void softpipe_update_derived( struct softpipe_context *softpipe ); -- cgit v1.2.3