int samplers_used;
bool indirect_addr_temps;
bool indirect_addr_consts;
+ int num_clip_distances;
int glsl_version;
bool native_integers;
/* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
v->ctx = original->ctx;
v->prog = prog;
+ v->shader_program = NULL;
v->glsl_version = original->glsl_version;
v->native_integers = original->native_integers;
v->options = original->options;
/* Copy attributes of the glsl_to_tgsi_visitor in the original shader. */
v->ctx = original->ctx;
v->prog = prog;
+ v->shader_program = NULL;
v->glsl_version = original->glsl_version;
v->native_integers = original->native_integers;
v->options = original->options;
t->pointSizeOutIndex = -1;
t->prevInstWrotePointSize = GL_FALSE;
+ if (program->shader_program) {
+ for (i = 0; i < program->shader_program->NumUserUniformStorage; i++) {
+ struct gl_uniform_storage *const storage =
+ &program->shader_program->UniformStorage[i];
+
+ _mesa_uniform_detach_all_driver_storage(storage);
+ }
+ }
+
/*
* Declare input attributes.
*/
}
for (i = 0; i < numOutputs; i++) {
- t->outputs[i] = ureg_DECL_output(ureg,
- outputSemanticName[i],
- outputSemanticIndex[i]);
+ if (outputSemanticName[i] == TGSI_SEMANTIC_CLIPDIST) {
+ int mask = ((1 << (program->num_clip_distances - 4*outputSemanticIndex[i])) - 1) & TGSI_WRITEMASK_XYZW;
+ t->outputs[i] = ureg_DECL_output_masked(ureg,
+ outputSemanticName[i],
+ outputSemanticIndex[i],
+ mask);
+ } else {
+ t->outputs[i] = ureg_DECL_output(ureg,
+ outputSemanticName[i],
+ outputSemanticIndex[i]);
+ }
if ((outputSemanticName[i] == TGSI_SEMANTIC_PSIZE) && proginfo->Id) {
/* Writing to the point size result register requires special
* handling to implement clamping.
t->insn[t->labels[i].branch_target]);
}
+ if (program->shader_program) {
+ /* This has to be done last. Any operation the can cause
+ * prog->ParameterValues to get reallocated (e.g., anything that adds a
+ * program constant) has to happen before creating this linkage.
+ */
+ for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+ if (program->shader_program->_LinkedShaders[i] == NULL)
+ continue;
+
+ _mesa_associate_uniform_storage(ctx, program->shader_program,
+ program->shader_program->_LinkedShaders[i]->Program->Parameters);
+ }
+ }
+
out:
if (t) {
FREE(t->insn);
static struct gl_program *
get_mesa_program(struct gl_context *ctx,
struct gl_shader_program *shader_program,
- struct gl_shader *shader)
+ struct gl_shader *shader,
+ int num_clip_distances)
{
glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
struct gl_program *prog;
v->options = options;
v->glsl_version = ctx->Const.GLSLVersion;
v->native_integers = ctx->Const.NativeIntegers;
+ v->num_clip_distances = num_clip_distances;
_mesa_generate_parameters_list_for_uniforms(shader_program, shader,
prog->Parameters);
+ if (!screen->get_shader_param(screen, pipe_shader_type,
+ PIPE_SHADER_CAP_OUTPUT_READ)) {
+ /* Remove reads to output registers, and to varyings in vertex shaders. */
+ lower_output_reads(shader->ir);
+ }
+
+
/* Emit intermediate IR for main(). */
visit_exec_list(shader->ir, v);
}
#endif
- if (!screen->get_shader_param(screen, pipe_shader_type,
- PIPE_SHADER_CAP_OUTPUT_READ)) {
- /* Remove reads to output registers, and to varyings in vertex shaders. */
- v->remove_output_reads(PROGRAM_OUTPUT);
- if (target == GL_VERTEX_PROGRAM_ARB)
- v->remove_output_reads(PROGRAM_VARYING);
- }
-
/* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
v->simplify_cmp();
v->copy_propagate();
return prog;
}
+/**
+ * Searches through the IR for a declaration of gl_ClipDistance and returns the
+ * declared size of the gl_ClipDistance array. Returns 0 if gl_ClipDistance is
+ * not declared in the IR.
+ */
+int get_clip_distance_size(exec_list *ir)
+{
+ foreach_iter (exec_list_iterator, iter, *ir) {
+ ir_instruction *inst = (ir_instruction *)iter.get();
+ ir_variable *var = inst->as_variable();
+ if (var == NULL) continue;
+ if (!strcmp(var->name, "gl_ClipDistance")) {
+ return var->type->length;
+ }
+ }
+
+ return 0;
+}
+
extern "C" {
struct gl_shader *
GLboolean
st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
{
+ int num_clip_distances[MESA_SHADER_TYPES];
assert(prog->LinkStatus);
for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
const struct gl_shader_compiler_options *options =
&ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)];
+ /* We have to determine the length of the gl_ClipDistance array before
+ * the array is lowered to two vec4s by lower_clip_distance().
+ */
+ num_clip_distances[i] = get_clip_distance_size(ir);
+
do {
progress = false;
|| progress;
progress = lower_quadop_vector(ir, false) || progress;
+ progress = lower_clip_distance(ir) || progress;
if (options->MaxIfDepth == 0)
progress = lower_discard(ir) || progress;
if (prog->_LinkedShaders[i] == NULL)
continue;
- linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]);
+ linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i],
+ num_clip_distances[i]);
if (linked_prog) {
static const GLenum targets[] = {
so->output[i].register_index =
outputMapping[info->Outputs[i].OutputRegister];
so->output[i].register_mask =
- comps_to_mask[info->Outputs[i].NumComponents];
+ comps_to_mask[info->Outputs[i].NumComponents]
+ << info->Outputs[i].ComponentOffset;
so->output[i].output_buffer = info->Outputs[i].OutputBuffer;
}
so->num_outputs = info->NumOutputs;
projects / mesa.git / blobdiff