[Piglit] [PATCH 1/2] util: make it easier to use probe functions on ES

[Ilia Mirkin]

With float color buffers, one can use glReadPixels with GL_FLOAT. Allow
that usage scenario.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 tests/util/piglit-util-gl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tests/util/piglit-util-gl.c b/tests/util/piglit-util-gl.c
index 3f2dcb9c0..64c6fdae6 100644
--- a/tests/util/piglit-util-gl.c
+++ b/tests/util/piglit-util-gl.c
@@ -1046,7 +1046,7 @@ read_pixels_float(GLint x, GLint y, GLsizei width, GLsizei height,
 	if (!pixels)
 		pixels = malloc(width * height * comps * sizeof(GLfloat));
 
-	if (!piglit_is_gles()) {
+	if (!piglit_is_gles() || piglit_is_extension_supported("GL_EXT_color_buffer_float")) {
 		glReadPixels(x, y, width, height, format, GL_FLOAT, pixels);
 		return pixels;
 	}
@@ -1068,7 +1068,8 @@ can_probe_ubyte()
 {
 	int r,g,b,a,read;
 
-	if (!piglit_is_extension_supported("GL_ARB_framebuffer_object"))
+	if (!piglit_is_extension_supported("GL_ARB_framebuffer_object") &&
+	    !(piglit_is_gles() && piglit_get_gl_version() >= 20))
 		return false;
 
 	glGetIntegerv(GL_READ_BUFFER, &read);
-- 
2.19.2