diff options
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 5ea14654769..27e4615f997 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -1947,16 +1947,16 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) break; case ir_binop_ubo_load: { - ir_constant *uniform_block = ir->operands[0]->as_constant(); + ir_constant *const_uniform_block = ir->operands[0]->as_constant(); ir_constant *const_offset_ir = ir->operands[1]->as_constant(); unsigned const_offset = const_offset_ir ? const_offset_ir->value.u[0] : 0; + unsigned const_block = const_uniform_block ? const_uniform_block->value.u[0] + 1 : 0; st_src_reg index_reg = get_temp(glsl_type::uint_type); st_src_reg cbuf; cbuf.type = glsl_type::vec4_type->base_type; cbuf.file = PROGRAM_CONSTANT; cbuf.index = 0; - cbuf.index2D = uniform_block->value.u[0] + 1; cbuf.reladdr = NULL; cbuf.negate = 0; @@ -1966,7 +1966,6 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) /* Constant index into constant buffer */ cbuf.reladdr = NULL; cbuf.index = const_offset / 16; - cbuf.has_index2 = true; } else { /* Relative/variable index into constant buffer */ @@ -1976,6 +1975,20 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) memcpy(cbuf.reladdr, &index_reg, sizeof(index_reg)); } + if (const_uniform_block) { + /* Constant constant buffer */ + cbuf.reladdr2 = NULL; + cbuf.index2D = const_block; + cbuf.has_index2 = true; + } + else { + /* Relative/variable constant buffer */ + cbuf.reladdr2 = ralloc(mem_ctx, st_src_reg); + cbuf.index2D = 1; + memcpy(cbuf.reladdr2, &op[0], sizeof(st_src_reg)); + cbuf.has_index2 = true; + } + cbuf.swizzle = swizzle_for_size(ir->type->vector_elements); cbuf.swizzle += MAKE_SWIZZLE4(const_offset % 16 / 4, const_offset % 16 / 4, @@ -4367,51 +4380,45 @@ dst_register(struct st_translate *t, * Map a glsl_to_tgsi src register to a TGSI ureg_src register. */ static struct ureg_src -src_register(struct st_translate *t, - gl_register_file file, - GLint index, GLint index2D) +src_register(struct st_translate *t, const struct st_src_reg *reg) { - switch(file) { + switch(reg->file) { case PROGRAM_UNDEFINED: return ureg_src_undef(); case PROGRAM_TEMPORARY: case PROGRAM_ARRAY: - return ureg_src(dst_register(t, file, index)); + return ureg_src(dst_register(t, reg->file, reg->index)); case PROGRAM_UNIFORM: - assert(index >= 0); - return t->constants[index]; + assert(reg->index >= 0); + return t->constants[reg->index]; case PROGRAM_STATE_VAR: case PROGRAM_CONSTANT: /* ie, immediate */ - if (index2D) { - struct ureg_src src; - src = ureg_src_register(TGSI_FILE_CONSTANT, index); - src.Dimension = 1; - src.DimensionIndex = index2D; - return src; - } else if (index < 0) + if (reg->has_index2) + return ureg_src_register(TGSI_FILE_CONSTANT, reg->index); + else if (reg->index < 0) return ureg_DECL_constant(t->ureg, 0); else - return t->constants[index]; + return t->constants[reg->index]; case PROGRAM_IMMEDIATE: - return t->immediates[index]; + return t->immediates[reg->index]; case PROGRAM_INPUT: - assert(t->inputMapping[index] < Elements(t->inputs)); - return t->inputs[t->inputMapping[index]]; + assert(t->inputMapping[reg->index] < Elements(t->inputs)); + return t->inputs[t->inputMapping[reg->index]]; case PROGRAM_OUTPUT: - assert(t->outputMapping[index] < Elements(t->outputs)); - return ureg_src(t->outputs[t->outputMapping[index]]); /* not needed? */ + assert(t->outputMapping[reg->index] < Elements(t->outputs)); + return ureg_src(t->outputs[t->outputMapping[reg->index]]); /* not needed? */ case PROGRAM_ADDRESS: - return ureg_src(t->address[index]); + return ureg_src(t->address[reg->index]); case PROGRAM_SYSTEM_VALUE: - assert(index < (int) Elements(t->systemValues)); - return t->systemValues[index]; + assert(reg->index < (int) Elements(t->systemValues)); + return t->systemValues[reg->index]; default: assert(!"unknown src register file"); @@ -4472,13 +4479,12 @@ translate_dst(struct st_translate *t, static struct ureg_src translate_src(struct st_translate *t, const st_src_reg *src_reg) { - struct ureg_src src = src_register(t, src_reg->file, src_reg->index, src_reg->index2D); + struct ureg_src src = src_register(t, src_reg); if (src_reg->has_index2) { /* 2D indexes occur with geometry shader inputs (attrib, vertex) * and UBO constant buffers (buffer, position). */ - src = src_register(t, src_reg->file, src_reg->index, src_reg->index2D); if (src_reg->reladdr2) src = ureg_src_dimension_indirect(src, ureg_src(t->address[1]), src_reg->index2D); |