diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_context.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_context.c | 273 |
1 files changed, 216 insertions, 57 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 02abddf1491..032fcbbc70a 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -34,12 +34,33 @@ #include "pipe/p_context.h" #include "util/u_memory.h" #include "util/u_math.h" +#include "util/u_cpu_detect.h" #include "draw_context.h" #include "draw_vs.h" #include "draw_gs.h" #if HAVE_LLVM #include "gallivm/lp_bld_init.h" +#include "draw_llvm.h" + +static boolean +draw_get_option_use_llvm(void) +{ + static boolean first = TRUE; + static boolean value; + if (first) { + first = FALSE; + value = debug_get_bool_option("DRAW_USE_LLVM", TRUE); + +#ifdef PIPE_ARCH_X86 + util_cpu_detect(); + /* require SSE2 due to LLVM PR6960. */ + if (!util_cpu_caps.has_sse2) + value = FALSE; +#endif + } + return value; +} #endif struct draw_context *draw_create( struct pipe_context *pipe ) @@ -49,9 +70,13 @@ struct draw_context *draw_create( struct pipe_context *pipe ) goto fail; #if HAVE_LLVM - lp_build_init(); - assert(lp_build_engine); - draw->engine = lp_build_engine; + if(draw_get_option_use_llvm()) + { + lp_build_init(); + assert(lp_build_engine); + draw->engine = lp_build_engine; + draw->llvm = draw_llvm_create(draw); + } #endif if (!draw_init(draw)) @@ -81,6 +106,8 @@ boolean draw_init(struct draw_context *draw) ASSIGN_4V( draw->plane[4], 0, 0, 1, 1 ); /* yes these are correct */ ASSIGN_4V( draw->plane[5], 0, 0, -1, 1 ); /* mesa's a bit wonky */ draw->nr_planes = 6; + draw->clip_xy = 1; + draw->clip_z = 1; draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */ @@ -132,6 +159,10 @@ void draw_destroy( struct draw_context *draw ) draw_pt_destroy( draw ); draw_vs_destroy( draw ); draw_gs_destroy( draw ); +#ifdef HAVE_LLVM + if(draw->llvm) + draw_llvm_destroy( draw->llvm ); +#endif FREE( draw ); } @@ -157,6 +188,14 @@ void draw_set_mrd(struct draw_context *draw, double mrd) } +static void update_clip_flags( struct draw_context *draw ) +{ + draw->clip_xy = !draw->driver.bypass_clip_xy; + draw->clip_z = (!draw->driver.bypass_clip_z && + !draw->depth_clamp); + draw->clip_user = (draw->nr_planes > 6); +} + /** * Register new primitive rasterization/rendering state. * This causes the drawing pipeline to be rebuilt. @@ -171,18 +210,25 @@ void draw_set_rasterizer_state( struct draw_context *draw, draw->rasterizer = raster; draw->rast_handle = rast_handle; - draw->bypass_clipping = draw->driver.bypass_clipping; - } + } } - +/* With a little more work, llvmpipe will be able to turn this off and + * do its own x/y clipping. + * + * Some hardware can turn off clipping altogether - in particular any + * hardware with a TNL unit can do its own clipping, even if it is + * relying on the draw module for some other reason. + */ void draw_set_driver_clipping( struct draw_context *draw, - boolean bypass_clipping ) + boolean bypass_clip_xy, + boolean bypass_clip_z ) { draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); - draw->driver.bypass_clipping = bypass_clipping; - draw->bypass_clipping = draw->driver.bypass_clipping; + draw->driver.bypass_clip_xy = bypass_clip_xy; + draw->driver.bypass_clip_z = bypass_clip_z; + update_clip_flags(draw); } @@ -211,6 +257,9 @@ void draw_set_clip_state( struct draw_context *draw, assert(clip->nr <= PIPE_MAX_CLIP_PLANES); memcpy(&draw->plane[6], clip->ucp, clip->nr * sizeof(clip->ucp[0])); draw->nr_planes = 6 + clip->nr; + draw->depth_clamp = clip->depth_clamp; + + update_clip_flags(draw); } @@ -282,12 +331,19 @@ draw_set_mapped_constant_buffer(struct draw_context *draw, shader_type == PIPE_SHADER_GEOMETRY); debug_assert(slot < PIPE_MAX_CONSTANT_BUFFERS); - if (shader_type == PIPE_SHADER_VERTEX) { + switch (shader_type) { + case PIPE_SHADER_VERTEX: draw->pt.user.vs_constants[slot] = buffer; + draw->pt.user.vs_constants_size[slot] = size; draw_vs_set_constants(draw, slot, buffer, size); - } else if (shader_type == PIPE_SHADER_GEOMETRY) { + break; + case PIPE_SHADER_GEOMETRY: draw->pt.user.gs_constants[slot] = buffer; + draw->pt.user.gs_constants_size[slot] = size; draw_gs_set_constants(draw, slot, buffer, size); + break; + default: + assert(0 && "invalid shader type in draw_set_mapped_constant_buffer"); } } @@ -357,6 +413,42 @@ draw_set_force_passthrough( struct draw_context *draw, boolean enable ) } + +/** + * Allocate an extra vertex/geometry shader vertex attribute. + * This is used by some of the optional draw module stages such + * as wide_point which may need to allocate additional generic/texcoord + * attributes. + */ +int +draw_alloc_extra_vertex_attrib(struct draw_context *draw, + uint semantic_name, uint semantic_index) +{ + const int num_outputs = draw_current_shader_outputs(draw); + const int n = draw->extra_shader_outputs.num; + + assert(n < Elements(draw->extra_shader_outputs.semantic_name)); + + draw->extra_shader_outputs.semantic_name[n] = semantic_name; + draw->extra_shader_outputs.semantic_index[n] = semantic_index; + draw->extra_shader_outputs.slot[n] = num_outputs + n; + draw->extra_shader_outputs.num++; + + return draw->extra_shader_outputs.slot[n]; +} + + +/** + * Remove all extra vertex attributes that were allocated with + * draw_alloc_extra_vertex_attrib(). + */ +void +draw_remove_extra_vertex_attribs(struct draw_context *draw) +{ + draw->extra_shader_outputs.num = 0; +} + + /** * Ask the draw module for the location/slot of the given vertex attribute in * a post-transformed vertex. @@ -390,12 +482,12 @@ draw_find_shader_output(const struct draw_context *draw, return i; } - /* XXX there may be more than one extra vertex attrib. - * For example, simulated gl_FragCoord and gl_PointCoord. - */ - if (draw->extra_shader_outputs.semantic_name == semantic_name && - draw->extra_shader_outputs.semantic_index == semantic_index) { - return draw->extra_shader_outputs.slot; + /* Search the extra vertex attributes */ + for (i = 0; i < draw->extra_shader_outputs.num; i++) { + if (draw->extra_shader_outputs.semantic_name[i] == semantic_name && + draw->extra_shader_outputs.semantic_index[i] == semantic_index) { + return draw->extra_shader_outputs.slot[i]; + } } return 0; @@ -414,16 +506,18 @@ draw_find_shader_output(const struct draw_context *draw, uint draw_num_shader_outputs(const struct draw_context *draw) { - uint count = draw->vs.vertex_shader->info.num_outputs; + uint count; /* If a geometry shader is present, its outputs go to the * driver, else the vertex shader's outputs. */ if (draw->gs.geometry_shader) count = draw->gs.geometry_shader->info.num_outputs; + else + count = draw->vs.vertex_shader->info.num_outputs; + + count += draw->extra_shader_outputs.num; - if (draw->extra_shader_outputs.slot > 0) - count++; return count; } @@ -435,13 +529,18 @@ draw_num_shader_outputs(const struct draw_context *draw) */ void draw_texture_samplers(struct draw_context *draw, + uint shader, uint num_samplers, struct tgsi_sampler **samplers) { - draw->vs.num_samplers = num_samplers; - draw->vs.samplers = samplers; - draw->gs.num_samplers = num_samplers; - draw->gs.samplers = samplers; + if (shader == PIPE_SHADER_VERTEX) { + draw->vs.num_samplers = num_samplers; + draw->vs.samplers = samplers; + } else { + debug_assert(shader == PIPE_SHADER_GEOMETRY); + draw->gs.num_samplers = num_samplers; + draw->gs.samplers = samplers; + } } @@ -454,47 +553,28 @@ void draw_set_render( struct draw_context *draw, } - -/** - * Tell the drawing context about the index/element buffer to use - * (ala glDrawElements) - * If no element buffer is to be used (i.e. glDrawArrays) then this - * should be called with eltSize=0 and elements=NULL. - * - * \param draw the drawing context - * \param eltSize size of each element (1, 2 or 4 bytes) - * \param elements the element buffer ptr - */ void -draw_set_mapped_element_buffer_range( struct draw_context *draw, - unsigned eltSize, - int eltBias, - unsigned min_index, - unsigned max_index, - const void *elements ) +draw_set_index_buffer(struct draw_context *draw, + const struct pipe_index_buffer *ib) { - draw->pt.user.elts = elements; - draw->pt.user.eltSize = eltSize; - draw->pt.user.eltBias = eltBias; - draw->pt.user.min_index = min_index; - draw->pt.user.max_index = max_index; + if (ib) + memcpy(&draw->pt.index_buffer, ib, sizeof(draw->pt.index_buffer)); + else + memset(&draw->pt.index_buffer, 0, sizeof(draw->pt.index_buffer)); } +/** + * Tell drawing context where to find mapped index/element buffer. + */ void -draw_set_mapped_element_buffer( struct draw_context *draw, - unsigned eltSize, - int eltBias, - const void *elements ) +draw_set_mapped_index_buffer(struct draw_context *draw, + const void *elements) { - draw->pt.user.elts = elements; - draw->pt.user.eltSize = eltSize; - draw->pt.user.eltBias = eltBias; - draw->pt.user.min_index = 0; - draw->pt.user.max_index = 0xffffffff; + draw->pt.user.elts = elements; } - + /* Revamp me please: */ void draw_do_flush( struct draw_context *draw, unsigned flags ) @@ -566,7 +646,7 @@ draw_get_rasterizer_no_cull( struct draw_context *draw, memset(&rast, 0, sizeof(rast)); rast.scissor = scissor; rast.flatshade = flatshade; - rast.front_winding = PIPE_WINDING_CCW; + rast.front_ccw = 1; rast.gl_rasterization_rules = draw->rasterizer->gl_rasterization_rules; draw->rasterizer_no_cull[scissor][flatshade] = @@ -574,3 +654,82 @@ draw_get_rasterizer_no_cull( struct draw_context *draw, } return draw->rasterizer_no_cull[scissor][flatshade]; } + +void +draw_set_mapped_so_buffers(struct draw_context *draw, + void *buffers[PIPE_MAX_SO_BUFFERS], + unsigned num_buffers) +{ + int i; + + for (i = 0; i < num_buffers; ++i) { + draw->so.buffers[i] = buffers[i]; + } + draw->so.num_buffers = num_buffers; +} + +void +draw_set_so_state(struct draw_context *draw, + struct pipe_stream_output_state *state) +{ + memcpy(&draw->so.state, + state, + sizeof(struct pipe_stream_output_state)); +} + +void +draw_set_sampler_views(struct draw_context *draw, + struct pipe_sampler_view **views, + unsigned num) +{ + unsigned i; + + debug_assert(num <= PIPE_MAX_VERTEX_SAMPLERS); + + for (i = 0; i < num; ++i) + draw->sampler_views[i] = views[i]; + for (i = num; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) + draw->sampler_views[i] = NULL; + + draw->num_sampler_views = num; +} + +void +draw_set_samplers(struct draw_context *draw, + struct pipe_sampler_state **samplers, + unsigned num) +{ + unsigned i; + + debug_assert(num <= PIPE_MAX_VERTEX_SAMPLERS); + + for (i = 0; i < num; ++i) + draw->samplers[i] = samplers[i]; + for (i = num; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) + draw->samplers[i] = NULL; + + draw->num_samplers = num; + +#ifdef HAVE_LLVM + if (draw->llvm) + draw_llvm_set_sampler_state(draw); +#endif +} + +void +draw_set_mapped_texture(struct draw_context *draw, + unsigned sampler_idx, + uint32_t width, uint32_t height, uint32_t depth, + uint32_t last_level, + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], + const void *data[DRAW_MAX_TEXTURE_LEVELS]) +{ +#ifdef HAVE_LLVM + if(draw->llvm) + draw_llvm_set_mapped_texture(draw, + sampler_idx, + width, height, depth, last_level, + row_stride, img_stride, data); +#endif +} |