forgot to bind texture properly

src/framebuffer.cpp

@@ -26,7 +26,7 @@ void FrameBuffer::SetPixel( int x, int y, glm::vec3 p )
 	uint8_t r = (uint8_t)( pow( p.r, gamma ) * 255.0f );
 	uint8_t g = (uint8_t)( pow( p.g, gamma ) * 255.0f );
 	uint8_t b = (uint8_t)( pow( p.b, gamma ) * 255.0f );
-	uint32_t col = 0xFF000000 | r << 16 | g << 8 | b;
+	uint32_t col = r << 24 | g << 16 | b << 8 | 0xFF;
 	Data[i] = col;
 }
 

src/main.cpp

@@ -21,14 +21,13 @@ struct Game
 	SDL_GLContext GlContext = nullptr;
 };
 
-void GLAPIENTRY
-MessageCallback( GLenum source,
-	GLenum type,
-	GLuint id,
-	GLenum severity,
-	GLsizei length,
-	const GLchar* message,
-	const void* userParam )
+void GLAPIENTRY MessageCallback( GLenum source,
+								GLenum type,
+								GLuint id,
+								GLenum severity,
+								GLsizei length,
+								const GLchar* message,
+								const void* userParam )
 {
 	std::cout << "GL CALLBACK: type = " << type
 		<< ", severity = " << severity
@@ -74,8 +73,9 @@ int main()
 	// Time to actually load OpenGL
 	gladLoadGLLoader( SDL_GL_GetProcAddress );
 
-	glEnable( GL_DEBUG_OUTPUT );
-	glDebugMessageCallback( MessageCallback, 0 );
+	// Doesnt work
+	//glEnable( GL_DEBUG_OUTPUT );
+	//glDebugMessageCallback( MessageCallback, 0 );
 
 	Renderer renderer;
 	renderer.LoadShader();
@@ -86,6 +86,16 @@ int main()
 	framebuffer.SetPixel( 3, 1, { 1.0, 0.0, 0.0 } );
 	framebuffer.SetPixel( 4, 1, { 1.0, 0.0, 0.0 } );
 	framebuffer.SetPixel( 5, 1, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 1, 2, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 2, 2, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 3, 2, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 4, 2, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 5, 3, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 1, 3, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 2, 3, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 3, 3, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 4, 3, { 1.0, 0.0, 0.0 } );
+	framebuffer.SetPixel( 5, 3, { 1.0, 0.0, 0.0 } );
 
 	renderer.RegisterBuffer( &framebuffer, 0 );
 

src/renderer.cpp

@@ -105,15 +105,16 @@ int8_t Renderer::RegisterBuffer( FrameBuffer* buffer, int layer )
 	// Load buffer as a texture into OpenGL
 	GLuint texture;
 	glGenTextures( 1, &texture );
+	glBindTexture( GL_TEXTURE_2D, texture );
 
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
 
-	glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, buffer->GetWidth(), buffer->GetHeight(), 0, GL_RGB, GL_RGBA32UI, buffer->Data );
+	// Colour stored as uint32_t so 0xRRGGBBAA except no A
+	glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, buffer->GetWidth(), buffer->GetHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer->Data );
 
-	
 	FrameBufferRenderable fb =
 	{
 			buffer,
@@ -160,7 +161,7 @@ void Renderer::UpdateBuffer( int8_t id )
 		return;
 
 	FrameBuffer* buffer = mRenderQueue[id].Buffer;
-	glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, buffer->GetWidth(), buffer->GetHeight(), 0, GL_RGB, GL_UNSIGNED_BYTE, buffer->Data );
+	glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, buffer->GetWidth(), buffer->GetHeight(), 0, GL_RGBA, GL_RGBA32UI, buffer->Data );
 }
 
 void Renderer::Render()
@@ -171,8 +172,8 @@ void Renderer::Render()
 	for ( size_t i = 0; i < mRenderQueue.size(); i++ )
 	{
 		FrameBufferRenderable* fb = &mRenderQueue[i];
-		glBindTexture( GL_TEXTURE_2D, fb->TextureID );
 		glBindVertexArray( fb->VAO );
+		glBindTexture( GL_TEXTURE_2D, fb->TextureID );
 		glDrawElements( GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0 );
 	}
 }