From 946f432a08112148d743eb9faf6b27bb8cc7fa76 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Fonseca?= Date: Sun, 26 Jul 2009 23:44:38 +0100 Subject: llvmpipe: Fork softpipe for experimentation with llvm. --- src/gallium/drivers/llvmpipe/lp_context.c | 317 ++++++++++++++++++++++++++++++ 1 file changed, 317 insertions(+) create mode 100644 src/gallium/drivers/llvmpipe/lp_context.c (limited to 'src/gallium/drivers/llvmpipe/lp_context.c') diff --git a/src/gallium/drivers/llvmpipe/lp_context.c b/src/gallium/drivers/llvmpipe/lp_context.c new file mode 100644 index 0000000..cad74d3 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_context.c @@ -0,0 +1,317 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * Copyright 2008 VMware, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/* Author: + * Keith Whitwell + */ + +#include "draw/draw_context.h" +#include "pipe/p_defines.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "lp_clear.h" +#include "lp_context.h" +#include "lp_flush.h" +#include "lp_prim_setup.h" +#include "lp_prim_vbuf.h" +#include "lp_state.h" +#include "lp_surface.h" +#include "lp_tile_cache.h" +#include "lp_texture.h" +#include "lp_winsys.h" +#include "lp_query.h" + + + +/** + * Map any drawing surfaces which aren't already mapped + */ +void +llvmpipe_map_transfers(struct llvmpipe_context *lp) +{ + unsigned i; + + for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { + lp_tile_cache_map_transfers(lp->cbuf_cache[i]); + } + + lp_tile_cache_map_transfers(lp->zsbuf_cache); +} + + +/** + * Unmap any mapped drawing surfaces + */ +void +llvmpipe_unmap_transfers(struct llvmpipe_context *lp) +{ + uint i; + + for (i = 0; i < lp->framebuffer.nr_cbufs; i++) + lp_flush_tile_cache(lp, lp->cbuf_cache[i]); + lp_flush_tile_cache(lp, lp->zsbuf_cache); + + for (i = 0; i < lp->framebuffer.nr_cbufs; i++) { + lp_tile_cache_unmap_transfers(lp->cbuf_cache[i]); + } + lp_tile_cache_unmap_transfers(lp->zsbuf_cache); +} + + +static void llvmpipe_destroy( struct pipe_context *pipe ) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); + uint i; + + if (llvmpipe->draw) + draw_destroy( llvmpipe->draw ); + + for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { + llvmpipe->quad[i].polygon_stipple->destroy( llvmpipe->quad[i].polygon_stipple ); + llvmpipe->quad[i].earlyz->destroy( llvmpipe->quad[i].earlyz ); + llvmpipe->quad[i].shade->destroy( llvmpipe->quad[i].shade ); + llvmpipe->quad[i].alpha_test->destroy( llvmpipe->quad[i].alpha_test ); + llvmpipe->quad[i].depth_test->destroy( llvmpipe->quad[i].depth_test ); + llvmpipe->quad[i].stencil_test->destroy( llvmpipe->quad[i].stencil_test ); + llvmpipe->quad[i].occlusion->destroy( llvmpipe->quad[i].occlusion ); + llvmpipe->quad[i].coverage->destroy( llvmpipe->quad[i].coverage ); + llvmpipe->quad[i].blend->destroy( llvmpipe->quad[i].blend ); + llvmpipe->quad[i].colormask->destroy( llvmpipe->quad[i].colormask ); + llvmpipe->quad[i].output->destroy( llvmpipe->quad[i].output ); + } + + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) + lp_destroy_tile_cache(llvmpipe->cbuf_cache[i]); + lp_destroy_tile_cache(llvmpipe->zsbuf_cache); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + lp_destroy_tile_cache(llvmpipe->tex_cache[i]); + + for (i = 0; i < Elements(llvmpipe->constants); i++) { + if (llvmpipe->constants[i].buffer) { + pipe_buffer_reference(&llvmpipe->constants[i].buffer, NULL); + } + } + + FREE( llvmpipe ); +} + +static unsigned int +llvmpipe_is_texture_referenced( struct pipe_context *pipe, + struct pipe_texture *texture, + unsigned face, unsigned level) +{ + struct llvmpipe_context *llvmpipe = llvmpipe_context( pipe ); + unsigned i; + + if(llvmpipe->dirty_render_cache) { + for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) { + if(llvmpipe->framebuffer.cbufs[i] && + llvmpipe->framebuffer.cbufs[i]->texture == texture) + return PIPE_REFERENCED_FOR_WRITE; + } + if(llvmpipe->framebuffer.zsbuf && + llvmpipe->framebuffer.zsbuf->texture == texture) + return PIPE_REFERENCED_FOR_WRITE; + } + + /* FIXME: we also need to do the same for the texture cache */ + + return PIPE_UNREFERENCED; +} + +static unsigned int +llvmpipe_is_buffer_referenced( struct pipe_context *pipe, + struct pipe_buffer *buf) +{ + return PIPE_UNREFERENCED; +} + +struct pipe_context * +llvmpipe_create( struct pipe_screen *screen ) +{ + struct llvmpipe_context *llvmpipe = CALLOC_STRUCT(llvmpipe_context); + uint i; + + util_init_math(); + +#ifdef PIPE_ARCH_X86 + llvmpipe->use_sse = !debug_get_bool_option( "GALLIUM_NOSSE", FALSE ); +#else + llvmpipe->use_sse = FALSE; +#endif + + llvmpipe->dump_fs = debug_get_bool_option( "GALLIUM_DUMP_FS", FALSE ); + + llvmpipe->pipe.winsys = screen->winsys; + llvmpipe->pipe.screen = screen; + llvmpipe->pipe.destroy = llvmpipe_destroy; + + /* state setters */ + llvmpipe->pipe.create_blend_state = llvmpipe_create_blend_state; + llvmpipe->pipe.bind_blend_state = llvmpipe_bind_blend_state; + llvmpipe->pipe.delete_blend_state = llvmpipe_delete_blend_state; + + llvmpipe->pipe.create_sampler_state = llvmpipe_create_sampler_state; + llvmpipe->pipe.bind_sampler_states = llvmpipe_bind_sampler_states; + llvmpipe->pipe.delete_sampler_state = llvmpipe_delete_sampler_state; + + llvmpipe->pipe.create_depth_stencil_alpha_state = llvmpipe_create_depth_stencil_state; + llvmpipe->pipe.bind_depth_stencil_alpha_state = llvmpipe_bind_depth_stencil_state; + llvmpipe->pipe.delete_depth_stencil_alpha_state = llvmpipe_delete_depth_stencil_state; + + llvmpipe->pipe.create_rasterizer_state = llvmpipe_create_rasterizer_state; + llvmpipe->pipe.bind_rasterizer_state = llvmpipe_bind_rasterizer_state; + llvmpipe->pipe.delete_rasterizer_state = llvmpipe_delete_rasterizer_state; + + llvmpipe->pipe.create_fs_state = llvmpipe_create_fs_state; + llvmpipe->pipe.bind_fs_state = llvmpipe_bind_fs_state; + llvmpipe->pipe.delete_fs_state = llvmpipe_delete_fs_state; + + llvmpipe->pipe.create_vs_state = llvmpipe_create_vs_state; + llvmpipe->pipe.bind_vs_state = llvmpipe_bind_vs_state; + llvmpipe->pipe.delete_vs_state = llvmpipe_delete_vs_state; + + llvmpipe->pipe.set_blend_color = llvmpipe_set_blend_color; + llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state; + llvmpipe->pipe.set_constant_buffer = llvmpipe_set_constant_buffer; + llvmpipe->pipe.set_framebuffer_state = llvmpipe_set_framebuffer_state; + llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple; + llvmpipe->pipe.set_scissor_state = llvmpipe_set_scissor_state; + llvmpipe->pipe.set_sampler_textures = llvmpipe_set_sampler_textures; + llvmpipe->pipe.set_viewport_state = llvmpipe_set_viewport_state; + + llvmpipe->pipe.set_vertex_buffers = llvmpipe_set_vertex_buffers; + llvmpipe->pipe.set_vertex_elements = llvmpipe_set_vertex_elements; + + llvmpipe->pipe.draw_arrays = llvmpipe_draw_arrays; + llvmpipe->pipe.draw_elements = llvmpipe_draw_elements; + llvmpipe->pipe.draw_range_elements = llvmpipe_draw_range_elements; + llvmpipe->pipe.set_edgeflags = llvmpipe_set_edgeflags; + + + llvmpipe->pipe.clear = llvmpipe_clear; + llvmpipe->pipe.flush = llvmpipe_flush; + + llvmpipe->pipe.is_texture_referenced = llvmpipe_is_texture_referenced; + llvmpipe->pipe.is_buffer_referenced = llvmpipe_is_buffer_referenced; + + llvmpipe_init_query_funcs( llvmpipe ); + llvmpipe_init_texture_funcs( llvmpipe ); + + /* + * Alloc caches for accessing drawing surfaces and textures. + * Must be before quad stage setup! + */ + for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) + llvmpipe->cbuf_cache[i] = lp_create_tile_cache( screen ); + llvmpipe->zsbuf_cache = lp_create_tile_cache( screen ); + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + llvmpipe->tex_cache[i] = lp_create_tile_cache( screen ); + + + /* setup quad rendering stages */ + for (i = 0; i < SP_NUM_QUAD_THREADS; i++) { + llvmpipe->quad[i].polygon_stipple = lp_quad_polygon_stipple_stage(llvmpipe); + llvmpipe->quad[i].earlyz = lp_quad_earlyz_stage(llvmpipe); + llvmpipe->quad[i].shade = lp_quad_shade_stage(llvmpipe); + llvmpipe->quad[i].alpha_test = lp_quad_alpha_test_stage(llvmpipe); + llvmpipe->quad[i].depth_test = lp_quad_depth_test_stage(llvmpipe); + llvmpipe->quad[i].stencil_test = lp_quad_stencil_test_stage(llvmpipe); + llvmpipe->quad[i].occlusion = lp_quad_occlusion_stage(llvmpipe); + llvmpipe->quad[i].coverage = lp_quad_coverage_stage(llvmpipe); + llvmpipe->quad[i].blend = lp_quad_blend_stage(llvmpipe); + llvmpipe->quad[i].colormask = lp_quad_colormask_stage(llvmpipe); + llvmpipe->quad[i].output = lp_quad_output_stage(llvmpipe); + } + + /* vertex shader samplers */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + llvmpipe->tgsi.vert_samplers[i].base.get_samples = lp_get_samples_vertex; + llvmpipe->tgsi.vert_samplers[i].unit = i; + llvmpipe->tgsi.vert_samplers[i].lp = llvmpipe; + llvmpipe->tgsi.vert_samplers[i].cache = llvmpipe->tex_cache[i]; + llvmpipe->tgsi.vert_samplers_list[i] = &llvmpipe->tgsi.vert_samplers[i]; + } + + /* fragment shader samplers */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + llvmpipe->tgsi.frag_samplers[i].base.get_samples = lp_get_samples_fragment; + llvmpipe->tgsi.frag_samplers[i].unit = i; + llvmpipe->tgsi.frag_samplers[i].lp = llvmpipe; + llvmpipe->tgsi.frag_samplers[i].cache = llvmpipe->tex_cache[i]; + llvmpipe->tgsi.frag_samplers_list[i] = &llvmpipe->tgsi.frag_samplers[i]; + } + + /* + * Create drawing context and plug our rendering stage into it. + */ + llvmpipe->draw = draw_create(); + if (!llvmpipe->draw) + goto fail; + + draw_texture_samplers(llvmpipe->draw, + PIPE_MAX_SAMPLERS, + (struct tgsi_sampler **) + llvmpipe->tgsi.vert_samplers_list); + + llvmpipe->setup = lp_draw_render_stage(llvmpipe); + if (!llvmpipe->setup) + goto fail; + + if (debug_get_bool_option( "SP_NO_RAST", FALSE )) + llvmpipe->no_rast = TRUE; + + if (debug_get_bool_option( "SP_NO_VBUF", FALSE )) { + /* Deprecated path -- vbuf is the intended interface to the draw module: + */ + draw_set_rasterize_stage(llvmpipe->draw, llvmpipe->setup); + } + else { + lp_init_vbuf(llvmpipe); + } + + /* plug in AA line/point stages */ + draw_install_aaline_stage(llvmpipe->draw, &llvmpipe->pipe); + draw_install_aapoint_stage(llvmpipe->draw, &llvmpipe->pipe); + +#if USE_DRAW_STAGE_PSTIPPLE + /* Do polygon stipple w/ texture map + frag prog? */ + draw_install_pstipple_stage(llvmpipe->draw, &llvmpipe->pipe); +#endif + + lp_init_surface_functions(llvmpipe); + + return &llvmpipe->pipe; + + fail: + llvmpipe_destroy(&llvmpipe->pipe); + return NULL; +} + -- cgit v1.1