ralloc_vasprintf_append(&prog->data->InfoLog, fmt, ap);
va_end(ap);
- prog->data->LinkStatus = linking_failure;
+ prog->data->LinkStatus = LINKING_FAILURE;
}
return;
}
- /* Only in GLSL ES 3.10, the precision qualifier should not match
- * between block members defined in matched block names within a
- * shader interface.
- *
- * In GLSL ES 3.00 and ES 3.20, precision qualifier for each block
- * member should match.
+ /* Check the precision qualifier matches for uniform variables on
+ * GLSL ES.
*/
- if (prog->IsES && (prog->data->Version != 310 ||
- !var->get_interface_type()) &&
+ if (prog->IsES && !var->get_interface_type() &&
existing->data.precision != var->data.precision) {
if ((existing->data.used && var->data.used) || prog->data->Version >= 300) {
linker_error(prog, "declarations for %s `%s` have "
mode_string(var), var->name);
}
}
+
+ /* In OpenGL GLSL 3.20 spec, section 4.3.9:
+ *
+ * "It is a link-time error if any particular shader interface
+ * contains:
+ *
+ * - two different blocks, each having no instance name, and each
+ * having a member of the same name, or
+ *
+ * - a variable outside a block, and a block with no instance name,
+ * where the variable has the same name as a member in the block."
+ */
+ const glsl_type *var_itype = var->get_interface_type();
+ const glsl_type *existing_itype = existing->get_interface_type();
+ if (var_itype != existing_itype) {
+ if (!var_itype || !existing_itype) {
+ linker_error(prog, "declarations for %s `%s` are inside block "
+ "`%s` and outside a block",
+ mode_string(var), var->name,
+ var_itype ? var_itype->name : existing_itype->name);
+ return;
+ } else if (strcmp(var_itype->name, existing_itype->name) != 0) {
+ linker_error(prog, "declarations for %s `%s` are inside blocks "
+ "`%s` and `%s`",
+ mode_string(var), var->name,
+ existing_itype->name,
+ var_itype->name);
+ return;
+ }
+ }
} else
variables->add_variable(var);
}
}
for (unsigned int j = 0; j < sh_num_blocks; j++) {
- int index = link_cross_validate_uniform_block(prog, &blks, num_blks,
- sh_blks[j]);
+ int index = link_cross_validate_uniform_block(prog->data, &blks,
+ num_blks, sh_blks[j]);
if (index == -1) {
linker_error(prog, "buffer block `%s' has mismatching "
_mesa_shader_stage_to_program(shader_list[0]->Stage),
prog->Name, false);
if (!gl_prog) {
- prog->data->LinkStatus = linking_failure;
+ prog->data->LinkStatus = LINKING_FAILURE;
_mesa_delete_linked_shader(ctx, linked);
return NULL;
}
ir->accept(&input_resize_visitor);
}
- if (tcs || ctx->Const.LowerTESPatchVerticesIn) {
+ if (tcs) {
/* Convert the gl_PatchVerticesIn system value into a constant, since
* the value is known at this point.
*/
void *mem_ctx = ralloc_parent(var);
var->data.location = 0;
var->data.explicit_location = false;
- if (tcs) {
- var->data.mode = ir_var_auto;
- var->constant_value = new(mem_ctx) ir_constant(num_vertices);
- } else {
- var->data.mode = ir_var_uniform;
- var->data.how_declared = ir_var_hidden;
- var->allocate_state_slots(1);
- ir_state_slot *slot0 = &var->get_state_slots()[0];
- slot0->swizzle = SWIZZLE_XXXX;
- slot0->tokens[0] = STATE_INTERNAL;
- slot0->tokens[1] = STATE_TES_PATCH_VERTICES_IN;
- for (int i = 2; i < STATE_LENGTH; i++)
- slot0->tokens[i] = 0;
- }
+ var->data.mode = ir_var_auto;
+ var->constant_value = new(mem_ctx) ir_constant(num_vertices);
}
}
}
}
+#define SAFE_MASK_FROM_INDEX(i) (((i) >= 32) ? ~0 : ((1 << (i)) - 1))
+
/**
* Assign locations for either VS inputs or FS outputs
*
/* Mark invalid locations as being used.
*/
- unsigned used_locations = (max_index >= 32)
- ? ~0 : ~((1 << max_index) - 1);
+ unsigned used_locations = ~SAFE_MASK_FROM_INDEX(max_index);
unsigned double_storage_locations = 0;
assert((target_index == MESA_SHADER_VERTEX)
if (target_index == MESA_SHADER_VERTEX) {
unsigned total_attribs_size =
- _mesa_bitcount(used_locations & ((1 << max_index) - 1)) +
+ _mesa_bitcount(used_locations & SAFE_MASK_FROM_INDEX(max_index)) +
_mesa_bitcount(double_storage_locations);
if (total_attribs_size > max_index) {
linker_error(prog,
*/
if (target_index == MESA_SHADER_VERTEX) {
unsigned total_attribs_size =
- _mesa_bitcount(used_locations & ((1 << max_index) - 1)) +
+ _mesa_bitcount(used_locations & SAFE_MASK_FROM_INDEX(max_index)) +
_mesa_bitcount(double_storage_locations);
if (total_attribs_size > max_index) {
linker_error(prog,
return true;
prog->data->ProgramResourceList =
- reralloc(prog,
+ reralloc(prog->data,
prog->data->ProgramResourceList,
gl_program_resource,
prog->data->NumProgramResourceList + 1);
void
link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
{
- prog->data->LinkStatus = linking_success; /* All error paths will set this to false */
+ prog->data->LinkStatus = LINKING_SUCCESS; /* All error paths will set this to false */
prog->data->Validated = false;
/* Section 7.3 (Program Objects) of the OpenGL 4.5 Core Profile spec says:
}
#ifdef ENABLE_SHADER_CACHE
- /* If transform feedback used on the program then compile all shaders. */
- bool skip_cache = false;
- if (prog->TransformFeedback.NumVarying > 0) {
- for (unsigned i = 0; i < prog->NumShaders; i++) {
- _mesa_glsl_compile_shader(ctx, prog->Shaders[i], false, false, true);
- }
- skip_cache = true;
- }
-
- if (!skip_cache && shader_cache_read_program_metadata(ctx, prog))
+ if (shader_cache_read_program_metadata(ctx, prog))
return;
#endif
if(!link_varyings_and_uniforms(first, last, ctx, prog, mem_ctx))
goto done;
+ /* Linking varyings can cause some extra, useless swizzles to be generated
+ * due to packing and unpacking.
+ */
+ for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (prog->_LinkedShaders[i] == NULL)
+ continue;
+
+ optimize_swizzles(prog->_LinkedShaders[i]->ir);
+ }
+
/* OpenGL ES < 3.1 requires that a vertex shader and a fragment shader both
* be present in a linked program. GL_ARB_ES2_compatibility doesn't say
* anything about shader linking when one of the shaders (vertex or
projects / mesa.git / blobdiff