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authorMatt Turner <[email protected]>2017-04-28 11:48:29 -0700
committerMatt Turner <[email protected]>2017-04-28 11:48:57 -0700
commitb64da3d14e9778a17ccf8ed444a103d117eecb6f (patch)
treeb3f2b869421f37d7d435ee745598360158fada97
parent85ca563b583d39664752d0686894353c8ed96089 (diff)
Revert "glsl: set vector_elements to 1 for samplers"
This reverts commit 75a31a20af269c047661af33e28f793269537b79. This breaks thousands of tests on i965 with malloc corruption.
-rw-r--r--src/compiler/glsl_types.cpp7
-rw-r--r--src/mesa/main/uniform_query.cpp15
2 files changed, 16 insertions, 6 deletions
diff --git a/src/compiler/glsl_types.cpp b/src/compiler/glsl_types.cpp
index bf078ad6141..0480bef80ec 100644
--- a/src/compiler/glsl_types.cpp
+++ b/src/compiler/glsl_types.cpp
@@ -95,7 +95,12 @@ glsl_type::glsl_type(GLenum gl_type, glsl_base_type base_type,
memset(& fields, 0, sizeof(fields));
- matrix_columns = vector_elements = 1;
+ if (is_sampler()) {
+ /* Samplers take no storage whatsoever. */
+ matrix_columns = vector_elements = 0;
+ } else {
+ matrix_columns = vector_elements = 1;
+ }
}
glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
index 114f6fb5bee..e400d0eb00f 100644
--- a/src/mesa/main/uniform_query.cpp
+++ b/src/mesa/main/uniform_query.cpp
@@ -321,7 +321,8 @@ _mesa_get_uniform(struct gl_context *ctx, GLuint program, GLint location,
}
{
- unsigned elements = uni->type->components();
+ unsigned elements = (uni->type->is_sampler())
+ ? 1 : uni->type->components();
const int dmul = uni->type->is_64bit() ? 2 : 1;
const int rmul = glsl_base_type_is_64bit(returnType) ? 2 : 1;
@@ -647,8 +648,10 @@ _mesa_propagate_uniforms_to_driver_storage(struct gl_uniform_storage *uni,
{
unsigned i;
- const unsigned components = uni->type->vector_elements;
- const unsigned vectors = uni->type->matrix_columns;
+ /* vector_elements and matrix_columns can be 0 for samplers.
+ */
+ const unsigned components = MAX2(1, uni->type->vector_elements);
+ const unsigned vectors = MAX2(1, uni->type->matrix_columns);
const int dmul = uni->type->is_64bit() ? 2 : 1;
/* Store the data in the driver's requested type in the driver's storage
@@ -800,7 +803,8 @@ validate_uniform(GLint location, GLsizei count, const GLvoid *values,
}
/* Verify that the types are compatible. */
- const unsigned components = uni->type->vector_elements;
+ const unsigned components = uni->type->is_sampler()
+ ? 1 : uni->type->vector_elements;
if (components != src_components) {
/* glUniformN() must match float/vecN type */
@@ -921,7 +925,8 @@ _mesa_uniform(GLint location, GLsizei count, const GLvoid *values,
return;
}
- const unsigned components = uni->type->vector_elements;
+ const unsigned components = uni->type->is_sampler()
+ ? 1 : uni->type->vector_elements;
/* Page 82 (page 96 of the PDF) of the OpenGL 2.1 spec says:
*