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glsl2: Add support for non-float constants in Mesa IR.

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Fixes glsl-vs-vec4-indexing-4.
This commit is contained in:
Eric Anholt
2010-06-25 17:50:25 -07:00
parent 6152fa16a1
commit 0bef5b97a9
1 changed files with 33 additions and 14 deletions
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47
src/mesa/shader/ir_to_mesa.cpp
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@@ -980,22 +980,41 @@ void
ir_to_mesa_visitor::visit(ir_constant *ir)
{
ir_to_mesa_src_reg src_reg;
GLfloat stack_vals[4];
GLfloat *values = stack_vals;
unsigned int i;
assert(ir->type->base_type == GLSL_TYPE_FLOAT ||
ir->type->base_type == GLSL_TYPE_UINT ||
ir->type->base_type == GLSL_TYPE_INT ||
ir->type->base_type == GLSL_TYPE_BOOL);
if (ir->type->base_type == GLSL_TYPE_FLOAT &&
!ir->type->is_matrix() && !ir->type->is_array()) {
src_reg.file = PROGRAM_CONSTANT;
src_reg.index =
_mesa_add_unnamed_constant(this->prog->Parameters,
&ir->value.f[0], ir->type->vector_elements,
&src_reg.swizzle);
} else {
assert(!"FINISHME: non-float constants");
if (ir->type->is_matrix() || ir->type->is_array()) {
assert(!"FINISHME: array/matrix constants");
}
src_reg.file = PROGRAM_CONSTANT;
switch (ir->type->base_type) {
case GLSL_TYPE_FLOAT:
values = &ir->value.f[0];
break;
case GLSL_TYPE_UINT:
for (i = 0; i < ir->type->vector_elements; i++) {
values[i] = ir->value.u[i];
}
break;
case GLSL_TYPE_INT:
for (i = 0; i < ir->type->vector_elements; i++) {
values[i] = ir->value.i[i];
}
break;
case GLSL_TYPE_BOOL:
for (i = 0; i < ir->type->vector_elements; i++) {
values[i] = ir->value.b[i];
}
break;
default:
assert(!"Non-float/uint/int/bool constant");
}
src_reg.index = _mesa_add_unnamed_constant(this->prog->Parameters,
values, ir->type->vector_elements,
&src_reg.swizzle);
src_reg.reladdr = false;
src_reg.negate = 0;