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aco/tests: add discard export target tests

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23371>
This commit is contained in:
Rhys Perry
2023-06-02 13:36:55 +01:00
committed by Marge Bot
parent 21867b45c1
commit 9ae5c942da
1 changed files with 51 additions and 0 deletions
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src/amd/compiler/tests/test_isel.cpp
+51
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@@ -185,3 +185,54 @@ BEGIN_TEST(isel.sparse.clause)
pbld.print_ir(VK_SHADER_STAGE_COMPUTE_BIT, "Assembly", true);
}
END_TEST
#if LLVM_VERSION_MAJOR >= 15
BEGIN_TEST(isel.discard_early_exit.mrtz)
QoShaderModuleCreateInfo vs = qoShaderModuleCreateInfoGLSL(VERTEX,
void main() {}
);
QoShaderModuleCreateInfo fs = qoShaderModuleCreateInfoGLSL(FRAGMENT,
void main() {
if (gl_FragCoord.w > 0.5)
discard;
gl_FragDepth = 1.0 / gl_FragCoord.z;
}
);
/* On GFX11, the discard early exit must use mrtz if the shader exports only depth. */
//>> exp mrtz v0, off, off, off done ; $_ $_
//! s_endpgm ; $_
//! BB1:
//! exp mrtz off, off, off, off done ; $_ $_
//! s_endpgm ; $_
PipelineBuilder pbld(get_vk_device(GFX11));
pbld.add_vsfs(vs, fs);
pbld.print_ir(VK_SHADER_STAGE_FRAGMENT_BIT, "Assembly");
END_TEST
BEGIN_TEST(isel.discard_early_exit.mrt0)
QoShaderModuleCreateInfo vs = qoShaderModuleCreateInfoGLSL(VERTEX,
void main() {}
);
QoShaderModuleCreateInfo fs = qoShaderModuleCreateInfoGLSL(FRAGMENT,
layout(location = 0) out vec4 out_color;
void main() {
if (gl_FragCoord.w > 0.5)
discard;
out_color = vec4(1.0 / gl_FragCoord.z);
}
);
/* On GFX11, the discard early exit must use mrt0 if the shader exports color. */
//>> exp mrt0 v0, v0, v0, v0 done ; $_ $_
//! s_endpgm ; $_
//! BB1:
//! exp mrt0 off, off, off, off done ; $_ $_
//! s_endpgm ; $_
PipelineBuilder pbld(get_vk_device(GFX11));
pbld.add_vsfs(vs, fs);
pbld.print_ir(VK_SHADER_STAGE_FRAGMENT_BIT, "Assembly");
END_TEST
#endif