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-rw-r--r--src/compiler/glsl/link_uniform_initializers.cpp2
-rw-r--r--src/compiler/glsl/link_uniforms.cpp3
-rw-r--r--src/compiler/glsl/serialize.cpp16
-rw-r--r--src/mesa/main/mtypes.h11
4 files changed, 30 insertions, 2 deletions
diff --git a/src/compiler/glsl/link_uniform_initializers.cpp b/src/compiler/glsl/link_uniform_initializers.cpp
index be3715cc1a3..97796e721bf 100644
--- a/src/compiler/glsl/link_uniform_initializers.cpp
+++ b/src/compiler/glsl/link_uniform_initializers.cpp
@@ -357,5 +357,7 @@ link_set_uniform_initializers(struct gl_shader_program *prog,
}
}
+ memcpy(prog->data->UniformDataDefaults, prog->data->UniformDataSlots,
+ sizeof(union gl_constant_value) * prog->data->NumUniformDataSlots);
ralloc_free(mem_ctx);
}
diff --git a/src/compiler/glsl/link_uniforms.cpp b/src/compiler/glsl/link_uniforms.cpp
index 46c746bc701..15813cb0aed 100644
--- a/src/compiler/glsl/link_uniforms.cpp
+++ b/src/compiler/glsl/link_uniforms.cpp
@@ -1365,6 +1365,9 @@ link_assign_uniform_storage(struct gl_context *ctx,
prog->data->NumUniformStorage);
data = rzalloc_array(prog->data->UniformStorage,
union gl_constant_value, num_data_slots);
+ prog->data->UniformDataDefaults =
+ rzalloc_array(prog->data->UniformStorage,
+ union gl_constant_value, num_data_slots);
} else {
data = prog->data->UniformDataSlots;
}
diff --git a/src/compiler/glsl/serialize.cpp b/src/compiler/glsl/serialize.cpp
index b5f68f907f5..57c91d90bb2 100644
--- a/src/compiler/glsl/serialize.cpp
+++ b/src/compiler/glsl/serialize.cpp
@@ -449,7 +449,10 @@ write_uniforms(struct blob *metadata, struct gl_shader_program *prog)
unsigned vec_size =
prog->data->UniformStorage[i].type->component_slots() *
MAX2(prog->data->UniformStorage[i].array_elements, 1);
- blob_write_bytes(metadata, prog->data->UniformStorage[i].storage,
+ unsigned slot =
+ prog->data->UniformStorage[i].storage -
+ prog->data->UniformDataSlots;
+ blob_write_bytes(metadata, &prog->data->UniformDataDefaults[slot],
sizeof(union gl_constant_value) * vec_size);
}
}
@@ -472,6 +475,9 @@ read_uniforms(struct blob_reader *metadata, struct gl_shader_program *prog)
data = rzalloc_array(uniforms, union gl_constant_value,
prog->data->NumUniformDataSlots);
prog->data->UniformDataSlots = data;
+ prog->data->UniformDataDefaults =
+ rzalloc_array(uniforms, union gl_constant_value,
+ prog->data->NumUniformDataSlots);
prog->UniformHash = new string_to_uint_map;
@@ -512,14 +518,20 @@ read_uniforms(struct blob_reader *metadata, struct gl_shader_program *prog)
unsigned vec_size =
prog->data->UniformStorage[i].type->component_slots() *
MAX2(prog->data->UniformStorage[i].array_elements, 1);
+ unsigned slot =
+ prog->data->UniformStorage[i].storage -
+ prog->data->UniformDataSlots;
blob_copy_bytes(metadata,
- (uint8_t *) prog->data->UniformStorage[i].storage,
+ (uint8_t *) &prog->data->UniformDataSlots[slot],
sizeof(union gl_constant_value) * vec_size);
assert(vec_size + prog->data->UniformStorage[i].storage <=
data + prog->data->NumUniformDataSlots);
}
}
+
+ memcpy(prog->data->UniformDataDefaults, prog->data->UniformDataSlots,
+ sizeof(union gl_constant_value) * prog->data->NumUniformDataSlots);
}
enum uniform_remap_type
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 397b113dfbc..40f70b067e8 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2886,6 +2886,17 @@ struct gl_shader_program_data
unsigned NumUniformDataSlots;
union gl_constant_value *UniformDataSlots;
+ /* Used to hold initial uniform values for program binary restores.
+ *
+ * From the ARB_get_program_binary spec:
+ *
+ * "A successful call to ProgramBinary will reset all uniform
+ * variables to their initial values. The initial value is either
+ * the value of the variable's initializer as specified in the
+ * original shader source, or 0 if no initializer was present.
+ */
+ union gl_constant_value *UniformDataDefaults;
+
GLboolean Validated;
/** List of all active resources after linking. */