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glsl: implement ARB_bindless_texture conversions

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From section 5.4.1 of the ARB_bindless_texture spec:

   "In the following four constructors, the low 32 bits of the
    sampler type correspond to the .x component of the uvec2 and
    the high 32 bits correspond to the .y component."

    uvec2(any sampler type)     // Converts a sampler type to a
                                //   pair of 32-bit unsigned integers
    any sampler type(uvec2)     // Converts a pair of 32-bit unsigned integers to
                                //   a sampler type
    uvec2(any image type)       // Converts an image type to a
                                //   pair of 32-bit unsigned integers
    any image type(uvec2)       // Converts a pair of 32-bit unsigned integers to
                                //   an image type

v4: - fix up comment style
v3: - rebase (and remove (sampler) ? 1 : vector_elements)

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset
2017-04-21 15:27:15 +02:00
parent 95c83aba71
commit 3cdcc5f02f
3 changed files with 84 additions and 10 deletions
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4
src/compiler/glsl/ir_clone.cpp
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@@ -339,6 +339,8 @@ ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
case GLSL_TYPE_BOOL:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
case GLSL_TYPE_SAMPLER:
case GLSL_TYPE_IMAGE:
return new(mem_ctx) ir_constant(this->type, &this->value);
case GLSL_TYPE_STRUCT: {
@@ -367,8 +369,6 @@ ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
return c;
}
case GLSL_TYPE_SAMPLER:
case GLSL_TYPE_IMAGE:
case GLSL_TYPE_ATOMIC_UINT:
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR: