diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index 4270a8f..3b56856 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -689,6 +689,11 @@ generate_fetch(struct gallivm_state *gallivm, LLVMValueRef ofbit = NULL; struct lp_build_if_state if_ctx; + if (velem->src_format == PIPE_FORMAT_NONE) { + *res = lp_build_const_vec(gallivm, lp_float32_vec4_type(), 0); + return; + } + if (velem->instance_divisor) { /* Index is equal to the start instance plus the number of current * instance divided by the divisor. In this case we compute it as: @@ -1706,12 +1711,6 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant, io_itr, io, lp_loop.counter); #endif - for (j = draw->pt.nr_vertex_elements; j < PIPE_MAX_SHADER_INPUTS; j++) { - for (i = 0; i < TGSI_NUM_CHANNELS; i++) { - inputs[j][i] = lp_build_zero(gallivm, vs_type); - } - } - for (i = 0; i < vector_length; ++i) { LLVMValueRef vert_index = LLVMBuildAdd(builder, @@ -1765,7 +1764,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant, gallivm->builder, true_index_array, true_index, lp_build_const_int32(gallivm, i), ""); - for (j = 0; j < draw->pt.nr_vertex_elements; ++j) { + for (j = 0; j < key->nr_vertex_elements; ++j) { struct pipe_vertex_element *velem = &draw->pt.vertex_element[j]; LLVMValueRef vb_index = lp_build_const_int32(gallivm, velem->vertex_buffer_index); @@ -1776,7 +1775,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant, } } convert_to_soa(gallivm, aos_attribs, inputs, - draw->pt.nr_vertex_elements, vs_type); + key->nr_vertex_elements, vs_type); /* In the paths with elts vertex id has to be unaffected by the * index bias and because indices inside our elements array have @@ -1873,15 +1872,6 @@ draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store) key->clamp_vertex_color = llvm->draw->rasterizer->clamp_vertex_color; /**/ - /* Presumably all variants of the shader should have the same - * number of vertex elements - ie the number of shader inputs. - * NOTE: we NEED to store the needed number of needed inputs - * here, not the number of provided elements to match keysize - * (and the offset of sampler state in the key). - */ - key->nr_vertex_elements = llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_INPUT] + 1; - assert(key->nr_vertex_elements <= llvm->draw->pt.nr_vertex_elements); - /* will have to rig this up properly later */ key->clip_xy = llvm->draw->clip_xy; key->clip_z = llvm->draw->clip_z; @@ -1907,13 +1897,34 @@ draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store) key->nr_sampler_views = key->nr_samplers; } - draw_sampler = draw_llvm_variant_key_samplers(key); - + /* Presumably all variants of the shader should have the same + * number of vertex elements - ie the number of shader inputs. + * NOTE: we NEED to store the needed number of needed inputs + * here, not the number of provided elements to match keysize + * (and the offset of sampler state in the key). + * If we have excess number of vertex elements, this is valid, + * but the excess ones don't matter. + * If we don't have enough vertex elements (which looks not really + * valid but we'll handle it gracefully) fill out missing ones with + * zero (we'll recognize these later by PIPE_FORMAT_NONE). + */ + key->nr_vertex_elements = + llvm->draw->vs.vertex_shader->info.file_max[TGSI_FILE_INPUT] + 1; + + if (llvm->draw->pt.nr_vertex_elements < key->nr_vertex_elements) { + debug_printf("draw: vs with %d inputs but only have %d vertex elements\n", + key->nr_vertex_elements, llvm->draw->pt.nr_vertex_elements); + memset(key->vertex_element, 0, + sizeof(struct pipe_vertex_element) * key->nr_vertex_elements); + } memcpy(key->vertex_element, llvm->draw->pt.vertex_element, - sizeof(struct pipe_vertex_element) * key->nr_vertex_elements); + sizeof(struct pipe_vertex_element) * + MIN2(key->nr_vertex_elements, llvm->draw->pt.nr_vertex_elements)); - memset(draw_sampler, 0, MAX2(key->nr_samplers, key->nr_sampler_views) * sizeof *draw_sampler); + draw_sampler = draw_llvm_variant_key_samplers(key); + memset(draw_sampler, 0, + MAX2(key->nr_samplers, key->nr_sampler_views) * sizeof *draw_sampler); for (i = 0 ; i < key->nr_samplers; i++) { lp_sampler_static_sampler_state(&draw_sampler[i].sampler_state, |