X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=test_util.cpp;h=a3ccb5c5f04cebcd3c804c294e95e93d7b886a59;hp=c8759744b9853229e24e1faf7a0f0f8321157758;hb=61e2a7671f7b22227dcdc34dd303ae4fcc802aaa;hpb=cef6dcbc9ebaceb7b0cb47d6a519cb08a390c358;ds=sidebyside

diff --git a/test_util.cpp b/test_util.cpp
index c875974..a3ccb5c 100644
--- a/test_util.cpp
+++ b/test_util.cpp
@@ -143,13 +143,23 @@ void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_spa
 
 	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 	check_error();
-	if (!epoxy_is_desktop_gl() && format == GL_RED) {
+	if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
 		// GLES will only read GL_RGBA.
 		float *temp = new float[width * height * 4];
 		glReadPixels(0, 0, width, height, GL_RGBA, GL_FLOAT, temp);
 		check_error();
-		for (int i = 0; i < width * height; ++i) {
-			out_data[i] = temp[i * 4];
+		if (format == GL_ALPHA) {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4 + 3];
+			}
+		} else if (format == GL_BLUE) {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4 + 2];
+			}
+		} else {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4];
+			}
 		}
 		delete[] temp;
 	} else {
@@ -174,13 +184,23 @@ void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace c
 
 	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
 	check_error();
-	if (!epoxy_is_desktop_gl() && format == GL_RED) {
+	if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
 		// GLES will only read GL_RGBA.
 		unsigned char *temp = new unsigned char[width * height * 4];
 		glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, temp);
 		check_error();
-		for (int i = 0; i < width * height; ++i) {
-			out_data[i] = temp[i * 4];
+		if (format == GL_ALPHA) {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4 + 3];
+			}
+		} else if (format == GL_BLUE) {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4 + 2];
+			}
+		} else {
+			for (unsigned i = 0; i < width * height; ++i) {
+				out_data[i] = temp[i * 4];
+			}
 		}
 		delete[] temp;
 	} else {