From: Dave Airlie <airl...@redhat.com>
This is needed to test transform feedback with FP64.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
tests/util/piglit-util-gl.c | 23 +++++++++++++++++++++++
tests/util/piglit-util-gl.h | 4 +++-
2 files changed, 26 insertions(+), 1 deletion(-)
diff --git a/tests/util/piglit-util-gl.c b/tests/util/piglit-util-gl.c
index aae6df0..1b54045 100644
--- a/tests/util/piglit-util-gl.c
+++ b/tests/util/piglit-util-gl.c
@@ -1814,6 +1814,29 @@ bool piglit_probe_buffer(GLuint buf, GLenum target,
const char *label,
return status;
}
+bool piglit_probe_buffer_doubles(GLuint buf, GLenum target, const char *label,
+ unsigned n, unsigned num_components,
+ const double *expected)
+{
+ double *ptr;
+ unsigned i;
+ bool status = true;
+
+ glBindBuffer(target, buf);
+ ptr = glMapBuffer(target, GL_READ_ONLY);
+
+ for (i = 0; i < n * num_components; i++) {
+ if (fabs(ptr[i] - expected[i % num_components]) > 0.01) {
+ printf("%s[%i]: %f, Expected: %f\n", label, i, ptr[i],
+ expected[i % num_components]);
+ status = false;
+ }
+ }
+
+ glUnmapBuffer(target);
+
+ return status;
+}
GLint piglit_ARBfp_pass_through = 0;
int piglit_use_fragment_program(void)
diff --git a/tests/util/piglit-util-gl.h b/tests/util/piglit-util-gl.h
index 0f8eb81..3c7d8da 100644
--- a/tests/util/piglit-util-gl.h
+++ b/tests/util/piglit-util-gl.h
@@ -165,7 +165,9 @@ int piglit_probe_rect_halves_equal_rgba(int x, int y, int
w, int h);
bool piglit_probe_buffer(GLuint buf, GLenum target, const char *label,
unsigned n, unsigned num_components,
const float *expected);
-
+bool piglit_probe_buffer_doubles(GLuint buf, GLenum target, const char *label,
+ unsigned n, unsigned num_components,
+ const double *expected);
int piglit_use_fragment_program(void);
int piglit_use_vertex_program(void);
void piglit_require_fragment_program(void);
--
1.9.3
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