glslang/Test/hlsl.samplecmp.negative.frag


Texture2D g_nonShadowTex;
Texture2D g_shadowTex;
SamplerState g_shadowSampler;
SamplerComparisonState g_shadowSamplerComp;

float4 main() : SV_Target0
{
    g_shadowTex.SampleCmp(g_shadowSamplerComp, float2(0,0), 0); // OK
    g_nonShadowTex.SampleCmp(g_shadowSampler, float2(0,0), 0);     // ERROR (should be comparison sampler)

    return 0;
}
HLSL: add error for expected comparison sampler in SampleCmp* ops This adds an error message if a non-comparison sampler is used with comparison sampling methods. There's no functional change for correct shaders. 2017-04-21 15:54:53 +00:00
HLSL: force textures to shadow modes from combined samplers Texture shadow mode must match the state of the sampler they are combined with. This change does that, both for the AST and the symbol table. Note that the texture cannot easily be created the right way, because this may not be known at that time. Instead, the texture is subsequently patched. This cannot work if a single texture is used with both a shadow and non-shadow sampler, so that case is detected and generates an error. This is permitted by the HLSL language, however. See #1073 discussion. Fixed one test source that was using a texture with both shadow and non-shadow samplers. 2017-09-27 15:12:51 +00:00			`Texture2D g_nonShadowTex;`
HLSL: add error for expected comparison sampler in SampleCmp* ops This adds an error message if a non-comparison sampler is used with comparison sampling methods. There's no functional change for correct shaders. 2017-04-21 15:54:53 +00:00			`Texture2D g_shadowTex;`
			`SamplerState g_shadowSampler;`
			`SamplerComparisonState g_shadowSamplerComp;`

			`float4 main() : SV_Target0`
			`{`
			`g_shadowTex.SampleCmp(g_shadowSamplerComp, float2(0,0), 0); // OK`
HLSL: force textures to shadow modes from combined samplers Texture shadow mode must match the state of the sampler they are combined with. This change does that, both for the AST and the symbol table. Note that the texture cannot easily be created the right way, because this may not be known at that time. Instead, the texture is subsequently patched. This cannot work if a single texture is used with both a shadow and non-shadow sampler, so that case is detected and generates an error. This is permitted by the HLSL language, however. See #1073 discussion. Fixed one test source that was using a texture with both shadow and non-shadow samplers. 2017-09-27 15:12:51 +00:00			`g_nonShadowTex.SampleCmp(g_shadowSampler, float2(0,0), 0); // ERROR (should be comparison sampler)`
HLSL: add error for expected comparison sampler in SampleCmp* ops This adds an error message if a non-comparison sampler is used with comparison sampling methods. There's no functional change for correct shaders. 2017-04-21 15:54:53 +00:00
			`return 0;`
			`}`