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slang: support uniform arrays

This commit is contained in:
Alan Hourihane 2009-03-19 22:06:10 +00:00
parent c9a318a7c6
commit e3aedec868
1 changed files with 13 additions and 1 deletions
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14
src/mesa/shader/slang/slang_codegen.c
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@ -4354,13 +4354,25 @@ _slang_codegen_global_variable(slang_assemble_ctx *A, slang_variable *var,
if (prog) {
/* user-defined uniform */
if (datatype == GL_NONE) {
if (var->type.specifier.type == SLANG_SPEC_STRUCT) {
if ((var->type.specifier.type == SLANG_SPEC_ARRAY &&
var->type.specifier._array->type == SLANG_SPEC_STRUCT) ||
(var->type.specifier.type == SLANG_SPEC_STRUCT)) {
/* temporary work-around */
GLenum datatype = GL_FLOAT;
GLint uniformLoc = _mesa_add_uniform(prog->Parameters, varName,
totalSize, datatype, NULL);
store = _slang_new_ir_storage_swz(PROGRAM_UNIFORM, uniformLoc,
totalSize, swizzle);
if (arrayLen > 0) {
GLint a = arrayLen - 1;
GLint i;
for (i = 0; i < a; i++) {
GLfloat value = (GLfloat)(i + uniformLoc + 1);
(void) _mesa_add_parameter(prog->Parameters, PROGRAM_UNIFORM,
varName, 1, datatype, &value, NULL, 0x0);
}
}
/* XXX what we need to do is unroll the struct into its
* basic types, creating a uniform variable for each.