Move test render helpers into a new test library

1 files changed, 26 insertions, 0 deletions

diff --git a/test/testRenderOutput.cpp b/test/testRenderOutput.cpp
new file mode 100644
index 0000000..7a96e96
--- /dev/null
+++ b/test/testRenderOutput.cpp
@@ -0,0 +1,26 @@
+#include "testRenderOutput.h"
+#include <stdexcept>
+
+TestRenderOutput::TestRenderOutput() : size {640, 480}
+{
+	glBindFramebuffer(GL_FRAMEBUFFER, output);
+	const auto configuregdata
+			= [this](const GLuint data, const GLint format, const GLenum type, const GLenum attachment) {
+				  glBindTexture(GL_TEXTURE_2D, data);
+				  glTexImage2D(GL_TEXTURE_2D, 0, format, size.x, size.y, 0, GL_RGBA, type, NULL);
+				  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+				  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+				  glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, data, 0);
+			  };
+	configuregdata(outImage, GL_RGBA, GL_UNSIGNED_BYTE, GL_COLOR_ATTACHMENT0);
+	glDrawBuffer(GL_COLOR_ATTACHMENT0);
+
+	glBindRenderbuffer(GL_RENDERBUFFER, depth);
+	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, size.x, size.y);
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth);
+
+	// finally check if framebuffer is complete
+	if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+		throw std::runtime_error("Framebuffer not complete!");
+	}
+}