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path: root/mesalib/src/glsl/link_uniforms.cpp
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Diffstat (limited to 'mesalib/src/glsl/link_uniforms.cpp')
-rw-r--r--mesalib/src/glsl/link_uniforms.cpp35
1 files changed, 24 insertions, 11 deletions
diff --git a/mesalib/src/glsl/link_uniforms.cpp b/mesalib/src/glsl/link_uniforms.cpp
index 5114a0a65..b0daeab0b 100644
--- a/mesalib/src/glsl/link_uniforms.cpp
+++ b/mesalib/src/glsl/link_uniforms.cpp
@@ -799,6 +799,10 @@ link_assign_uniform_locations(struct gl_shader_program *prog)
prog->UniformStorage = NULL;
prog->NumUserUniformStorage = 0;
+ ralloc_free(prog->UniformRemapTable);
+ prog->UniformRemapTable = NULL;
+ prog->NumUniformRemapTable = 0;
+
if (prog->UniformHash != NULL) {
prog->UniformHash->clear();
} else {
@@ -911,19 +915,28 @@ link_assign_uniform_locations(struct gl_shader_program *prog)
sizeof(prog->_LinkedShaders[i]->SamplerTargets));
}
- /* Determine the size of the largest uniform array queryable via
- * glGetUniformLocation. Using this as the location scale guarantees that
- * there is enough "room" for the array index to be stored in the low order
- * part of the uniform location. It also makes the locations be more
- * tightly packed.
- */
- unsigned max_array_size = 1;
+ /* Build the uniform remap table that is used to set/get uniform locations */
for (unsigned i = 0; i < num_user_uniforms; i++) {
- if (uniforms[i].array_elements > max_array_size)
- max_array_size = uniforms[i].array_elements;
- }
- prog->UniformLocationBaseScale = max_array_size;
+ /* how many new entries for this uniform? */
+ const unsigned entries = MAX2(1, uniforms[i].array_elements);
+
+ /* resize remap table to fit new entries */
+ prog->UniformRemapTable =
+ reralloc(prog,
+ prog->UniformRemapTable,
+ gl_uniform_storage *,
+ prog->NumUniformRemapTable + entries);
+
+ /* set pointers for this uniform */
+ for (unsigned j = 0; j < entries; j++)
+ prog->UniformRemapTable[prog->NumUniformRemapTable+j] = &uniforms[i];
+
+ /* set the base location in remap table for the uniform */
+ uniforms[i].remap_location = prog->NumUniformRemapTable;
+
+ prog->NumUniformRemapTable += entries;
+ }
#ifndef NDEBUG
for (unsigned i = 0; i < num_user_uniforms; i++) {