[PATCH 5/5] d3dcompiler_43/tests: Added trigonometric function tests to HLSL test suite
Travis Athougies
iammisc at gmail.com
Sun Sep 26 12:51:32 CDT 2010
---
dlls/d3dcompiler_43/tests/hlsl.c | 126 ++++++++++++++++++++++++++++++++++++++
1 files changed, 126 insertions(+), 0 deletions(-)
diff --git a/dlls/d3dcompiler_43/tests/hlsl.c b/dlls/d3dcompiler_43/tests/hlsl.c
index 4ac8f4d..82d2c4d 100644
--- a/dlls/d3dcompiler_43/tests/hlsl.c
+++ b/dlls/d3dcompiler_43/tests/hlsl.c
@@ -141,6 +141,17 @@ static void set_float4_d3d9(IDirect3DDevice9 *device, ID3DXConstantTable *consta
ID3DXConstantTable_SetVector(constants, device, name, &vector);
}
+/* Compare floating point arrays keeping a count of how many
+ erroneous values we have found */
+static int cmp_results_linear(int samples, float epsilon, float *expected, float *actual)
+{
+ int i, result = 0;
+ for (i = 0; i < samples; i++)
+ if (abs(expected[i] - actual[i]) > epsilon)
+ result++;
+ return result;
+}
+
/* Compile our pixel shader and get back the compiled version and a constant
table */
static IDirect3DPixelShader9 *compile_pixel_shader9(IDirect3DDevice9 *device, const char *shader,
@@ -221,6 +232,43 @@ static void setup_device9(IDirect3DDevice9 *device, IDirect3DSurface9 **render_t
/* For all compute_shader_* calls, this framework assumes that the data types are 4 bytes
long. The two formats used here are D3DFMT_R32F and D3DFMT_A8R8G8B8 */
+/* Repeatedly call a shader with linearly varying values and collect the results */
+static void *compute_shader_linear9(IDirect3DDevice9 *device, IDirect3DVertexShader9 *vshader,
+ IDirect3DPixelShader9 *pshader, IDirect3DVertexBuffer9 *quad_geometry,
+ ID3DXConstantTable *constants, D3DFORMAT format, int samples)
+{
+ IDirect3DSurface9 *render_target;
+ IDirect3DSurface9 *readback;
+ int i;
+
+ HRESULT hr;
+ DWORD *ret;
+ D3DLOCKED_RECT lr;
+
+ setup_device9(device, &render_target, &readback, format, samples, 1, vshader, pshader);
+
+ ret = HeapAlloc(GetProcessHeap(), 0, 4 * samples);
+ for (i = 0; i < 32; i++)
+ {
+ ID3DXConstantTable_SetFloat(constants, device, "$x", ((float) i)/((float) samples));
+ draw_quad_with_shader9(device, quad_geometry);
+
+ hr = IDirect3DDevice9_GetRenderTargetData(device, render_target, readback);
+ ok(hr == D3D_OK, "IDirect3DDevice9_GetRenderTargetData returned: %08x\n", hr);
+
+ hr = IDirect3DSurface9_LockRect(readback, &lr, NULL, D3DLOCK_READONLY);
+ ok(hr == D3D_OK, "IDirect3DSurface9_LockRect returned: %08x\n", hr);
+ memcpy(ret + i, lr.pBits, 4);
+ hr = IDirect3DSurface9_UnlockRect(readback);
+ ok(hr == D3D_OK, "IDirect3DSurface9_UnlockRect returned: %08x\n", hr);
+ }
+
+ IUnknown_Release(render_target);
+ IUnknown_Release(readback);
+
+ return ret;
+}
+
/* Compute a shader on a fullscreen quad and get the results back */
static void *compute_shader_fullscreen9(IDirect3DDevice9 *device, IDirect3DVertexShader9 *vshader,
IDirect3DPixelShader9 *pshader, IDirect3DVertexBuffer9 *quad_geometry, D3DFORMAT format,
@@ -463,6 +511,83 @@ static void test_float_vectors(IDirect3DDevice9 *device, IDirect3DVertexBuffer9
}
}
+static void test_trig(IDirect3DDevice9 *device, IDirect3DVertexBuffer9 *quad_geometry,
+ IDirect3DVertexShader9 *vshader_passthru)
+{
+ static float sin_expected[] = {
+ 0.500000f, 0.597545f, 0.691341f, 0.777785f,
+ 0.853553f, 0.915734f, 0.961939f, 0.990392f,
+ 1.000000f, 0.990392f, 0.961939f, 0.915734f,
+ 0.853553f, 0.777785f, 0.691341f, 0.597545f,
+ 0.500000f, 0.402454f, 0.308658f, 0.222214f,
+ 0.146446f, 0.084265f, 0.038060f, 0.009607f,
+ 0.000000f, 0.009607f, 0.038060f, 0.084265f,
+ 0.146446f, 0.222214f, 0.308658f, 0.402454f,
+ };
+
+ static float cos_expected[] = {
+ 1.000000f, 0.990392f, 0.961939f, 0.915734f,
+ 0.853553f, 0.777785f, 0.691341f, 0.597545f,
+ 0.500000f, 0.402454f, 0.308658f, 0.222214f,
+ 0.146446f, 0.084265f, 0.038060f, 0.009607f,
+ 0.000000f, 0.009607f, 0.038060f, 0.084265f,
+ 0.146446f, 0.222214f, 0.308658f, 0.402454f,
+ 0.500000f, 0.597545f, 0.691341f, 0.777785f,
+ 0.853553f, 0.915734f, 0.961939f, 0.990392f,
+ };
+
+ static const char *sin_shader =
+ "float4 test(uniform float x): COLOR \
+ { \
+ const float pi2 = 6.2831853; \
+ float calcd = (sin(x * pi2) + 1)/2; \
+ return calcd; \
+ }";
+
+ static const char *cos_shader =
+ "float4 test(uniform float x): COLOR \
+ { \
+ const float pi2 = 6.2831853; \
+ float calcd = (cos(x * pi2) + 1)/2; \
+ return calcd; \
+ }";
+
+ ID3DXConstantTable *constants;
+ IDirect3DPixelShader9 *pshader;
+ void *data;
+ int errors;
+
+ pshader = compile_pixel_shader9(device, sin_shader, "ps_2_0", &constants);
+ if (pshader != NULL)
+ {
+ data = compute_shader_linear9(device, vshader_passthru, pshader, quad_geometry, constants,
+ D3DFMT_R32F, 32);
+
+ errors = cmp_results_linear(32, 0.00001f, sin_expected, data);
+ ok(errors == 0, "sin: Got %d unexpected values\n", errors);
+
+ HeapFree(GetProcessHeap(), 0, data);
+
+ IUnknown_Release(constants);
+ IUnknown_Release(pshader);
+ }
+
+ pshader = compile_pixel_shader9(device, cos_shader, "ps_2_0", &constants);
+ if (pshader != NULL)
+ {
+ data = compute_shader_linear9(device, vshader_passthru, pshader, quad_geometry, constants,
+ D3DFMT_R32F, 32);
+
+ errors = cmp_results_linear(32, 0.00001f, cos_expected, data);
+ ok(errors == 0, "cos: Got %d unexpected values\n", errors);
+
+ HeapFree(GetProcessHeap(), 0, data);
+
+ IUnknown_Release(constants);
+ IUnknown_Release(pshader);
+ }
+}
+
START_TEST(hlsl)
{
D3DCAPS9 caps;
@@ -486,6 +611,7 @@ START_TEST(hlsl)
test_math(device, quad_geometry, vshader_passthru);
test_conditionals(device, quad_geometry, vshader_passthru);
test_float_vectors(device, quad_geometry, vshader_passthru);
+ test_trig(device, quad_geometry, vshader_passthru);
}
} else skip("no pixel shader support\n");
--
1.7.0.4
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