updated NDC coordinate space to be right handed

x [0..1]
y [1..-1]
z [0..1]

QPUassembler/qpu_assembler.c

@@ -1104,7 +1104,7 @@ void disassemble_qpu_asm(uint64_t instruction)
 #define GET_BITFIELD(num_bits, place) (((instruction) & ((uint64_t)num_bits << place)) >> place)
 
 	qpu_sig_bits sig_bits = GET_BITFIELD(0xf, 60);
-	printf("%s ; ", qpu_sig_bits_str[sig_bits]);
+	printf("\"%s ; ", qpu_sig_bits_str[sig_bits]);
 
 	unsigned is_sem = GET_BITFIELD(0x7f, 57) == 0x74;
 
@@ -1460,7 +1460,7 @@ void disassemble_qpu_asm(uint64_t instruction)
 		printf("(%s, %s) ; ", qpu_mux_str[mul_a], qpu_mux_str[mul_b]);
 	}
 
-	printf("\n");
+	printf("\"\n");
 }
 
 unsigned get_num_instructions(char* ptr)

driver/copy.c

@@ -63,13 +63,13 @@ void createFullscreenQuad(VkDevice device, VkBuffer* fsqVertexBuffer, VkDeviceMe
 
 		float vertices[] =
 		{
-			-1, -1,		0, 1,
-			1, -1,		1, 1,
-			1, 1,		1, 0,
+			-1, 1,		0, 1,
+			1, 1,		1, 1,
+			1, -1,		1, 0,
 
-			1, 1,		1, 0,
-			-1, 1,		0, 0,
-			-1, -1,		0, 1
+			1, -1,		1, 0,
+			-1, -1,		0, 0,
+			-1, 1,		0, 1
 		};
 
 		void* data;
@@ -1040,8 +1040,8 @@ VKAPI_ATTR void VKAPI_CALL rpi_vkCmdCopyBufferToImage(
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t vertConstants[4];
 		vertConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1203,8 +1203,8 @@ VKAPI_ATTR void VKAPI_CALL rpi_vkCmdBlitImage(
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(dstWidth) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(dstHeight) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(dstHeight) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t vertConstants[4];
 		vertConstants[0] = *(uint32_t*)&Wcoeff;

driver/draw.c

@@ -64,10 +64,10 @@ static uint32_t drawCommon(VkCommandBuffer commandBuffer, int32_t vertexOffset)
 						   vp.y, //bottom pixel coord
 						   vp.x); //left pixel coord
 
-		//TODO why flipped???
+		//Vulkan conventions, Y flipped [1...-1] bottom->top
 		//Clipper XY Scaling
 		clFit(commandBuffer, &commandBuffer->binCl, V3D21_CLIPPER_XY_SCALING_length);
-		clInsertClipperXYScaling(&commandBuffer->binCl, (float)(vp.width) * 0.5f * 16.0f, -1.0f * (float)(vp.height) * 0.5f * 16.0f);
+		clInsertClipperXYScaling(&commandBuffer->binCl, (float)(vp.width) * 0.5f * 16.0f, 1.0f * (float)(vp.height) * 0.5f * 16.0f);
 
 		//Viewport Offset
 		clFit(commandBuffer, &commandBuffer->binCl, V3D21_VIEWPORT_OFFSET_length);
@@ -99,14 +99,11 @@ static uint32_t drawCommon(VkCommandBuffer commandBuffer, int32_t vertexOffset)
 		clFit(commandBuffer, &commandBuffer->binCl, V3D21_DEPTH_OFFSET_length);
 		clInsertDepthOffset(&commandBuffer->binCl, cb->graphicsPipeline->depthBiasConstantFactor, cb->graphicsPipeline->depthBiasSlopeFactor);
 
-		//TODO how is this calculated?
-		//it's Zc to Zs scale and bias
-		//seems to go from -1.0 .. 1.0 to 0.0 .. 1.0
-		//eg. x * 0.5 + 0.5
+		//Vulkan conventions, we expect the resulting NDC space Z axis to be in range [0...1] close->far
 		//cb->graphicsPipeline->minDepthBounds;
 		//Clipper Z Scale and Offset
 		clFit(commandBuffer, &commandBuffer->binCl, V3D21_CLIPPER_Z_SCALE_AND_OFFSET_length);
-		clInsertClipperZScaleOffset(&commandBuffer->binCl, 0.5f, 0.5f);
+		clInsertClipperZScaleOffset(&commandBuffer->binCl, 0.0f, 1.0f);
 
 		cb->vertexBufferDirty = 0;
 		cb->depthBoundsDirty = 0;

test/ETC/ETC.cpp

@@ -838,8 +838,8 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
 
 			uint32_t pushConstants[4];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1643,9 +1643,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/HDR/HDR.cpp

@@ -805,8 +805,8 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
 
 			uint32_t pushConstants[4];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1687,9 +1687,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/MSAA/MSAA.cpp

@@ -692,8 +692,8 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t pushConstants[4];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1278,9 +1278,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/blending/blending.cpp

@@ -682,9 +682,9 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
-		float Zo = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
+		float Zo = 0.0f;
 
 		uint32_t pushConstants[5];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1302,9 +1302,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1, 0.2,
-			 1, -1, 0.2,
-			 0,  1, 0.2
+			-1,  1, 0.2,
+			 1,  1, 0.2,
+			 0, -1, 0.2
 		};
 
 		void* data;
@@ -1329,9 +1329,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-0.5, -1, 0.5,
-			 1.5, -1, 0.5,
-			 0.5,  1, 0.5
+			-0.5,  1, 0.5,
+			 1.5,  1, 0.5,
+			 0.5, -1, 0.5
 		};
 
 		void* data;

test/cubemapping/cubemapping.cpp

@@ -756,9 +756,9 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
-			float Zo = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
+			float Zo = 0.0f;
 
 			uint32_t pushConstants[5];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1597,53 +1597,53 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1, -1,
-			 1, -1,	-1,
-			-1,  1,	-1,
+			-1,  1, 0,
+			 1,  1,	0,
+			-1, -1,	0,
 
-			-1,  1,	-1,
-			 1,  1,	-1,
-			 1, -1,	-1,
+			-1, -1,	0,
+			 1, -1,	0,
+			 1,  1,	0,
 
-			1, -1,	-1,
-			1,  1,	-1,
-			1,  -1,	 1,
-
-			1,  -1,	 1,
-			1,   1,	-1,
+			1,   1,	0,
+			1,  -1,	0,
 			1,   1,	 1,
 
-			 1,	1,	 1,
-			 1,	1,	-1,
-			-1,	1,	-1,
+			1,   1,	 1,
+			1,  -1,	0,
+			1,  -1,	 1,
 
-			-1,	1,	-1,
-			 1,	1,	 1,
-			-1,	1,	 1,
+			 1, -1,	 1,
+			 1,	-1,	0,
+			-1,	-1,	0,
 
-			-1,	 1,	 1,
-			-1,	-1,	-1,
-			-1,	 1,	-1,
-
-			-1,	-1,	-1,
-			-1,	 1,	 1,
+			-1,	-1,	0,
+			 1,	-1,	 1,
 			-1,	-1,	 1,
 
+			-1,	-1,	 1,
+			-1,	 1,	0,
+			-1,	-1,	0,
+
+			-1,	 1,	0,
+			-1,	-1,	 1,
 			-1,	 1,	 1,
+
+			-1,	-1,	 1,
+			 1,	-1,	 1,
 			 1,	 1,	 1,
-			 1,	-1,	 1,
 
-			 1,	-1,	 1,
-			-1,	-1,	 1,
+			 1,	 1,	 1,
 			-1,	 1,	 1,
-
-			-1,	-1,	-1,
-			 1,	-1,	-1,
-			 1,	-1,	 1,
-
-			 1,	-1,	 1,
 			-1,	-1,	 1,
-			-1,	-1,	-1,
+
+			-1,	 1,	0,
+			 1,	 1,	0,
+			 1,	 1,	 1,
+
+			 1,	 1,	 1,
+			-1,	 1,	 1,
+			-1,	 1,	0,
 		};
 
 		//transform our cube

test/depthTest/depthTest.cpp

@@ -807,9 +807,9 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
-		float Zo = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
+		float Zo = 0.0f;
 
 		uint32_t pushConstants[5];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1415,9 +1415,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1, 0.2,
-			 1, -1, 0.2,
-			 0,  1, 0.2
+			-1, 1, 0.2,
+			 1, 1, 0.2,
+			 0,  -1, 0.2
 		};
 
 		void* data;
@@ -1442,9 +1442,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-0.5, -1, 0.5,
-			 1.5, -1, 0.5,
-			 0.5,  1, 0.5
+			-0.5, 1, 0.5,
+			 1.5, 1, 0.5,
+			 0.5,  -1, 0.5
 		};
 
 		void* data;

test/depthTex/depthTex.cpp

@@ -756,8 +756,8 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
 
 			uint32_t pushConstants[4];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1592,9 +1592,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/indexedTriangle/indexedTriangle.cpp

@@ -692,8 +692,8 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t pushConstants[4];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1240,9 +1240,9 @@ void CreateVertexBuffer()
 			//-1, -1
 
 			//cw order
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/mipmapping/mipmapping.cpp

@@ -757,9 +757,9 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
-			float Zo = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
+			float Zo = 0.0f;
 
 			uint32_t pushConstants[5];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1707,69 +1707,69 @@ void CreateVertexBuffer()
 	{ //create triangle vertex buffer
 		float vertices[] =
 		{
-			-0.5, 1, -1,			0.0, 1.0,
-			0.5, 1, -1,				1.0, 1.0,
-			-0.125, 0.25, 1,		0.0, 0.0,
+			-0.5, -1, 0,			0.0, 1.0,
+			0.5, -1, 0,				1.0, 1.0,
+			-0.125, -0.25, 1,		0.0, 0.0,
 
-			-0.125, 0.25, 1,		0.0, 0.0,
-			0.125, 0.25, 1,			1.0, 0.0,
-			0.5, 1, -1,				1.0, 1.0,
+			-0.125, -0.25, 1,		0.0, 0.0,
+			0.125, -0.25, 1,			1.0, 0.0,
+			0.5, -1, 0,				1.0, 1.0,
 
-			0.5, 1, -1,				1.0, 1.0,
-			0.125, 0.25, 1,			1.0, 0.0,
-			0.25, 0.125, 1,			0.0, 0.0,
+			0.5, -1, 0,				1.0, 1.0,
+			0.125, -0.25, 1,			1.0, 0.0,
+			0.25, -0.125, 1,			0.0, 0.0,
 
-			0.25, 0.125, 1,			0.0, 0.0,
-			0.5, 1, -1,				1.0, 1.0,
-			1, 0.5, -1,				0.0, 1.0,
+			0.25, -0.125, 1,			0.0, 0.0,
+			0.5, -1, 0,				1.0, 1.0,
+			1, -0.5, 0,				0.0, 1.0,
 
-			1, 0.5, -1,				0.0, 1.0,
-			0.25, 0.125, 1,			0.0, 0.0,
-			0.25, -0.125, 1,		1.0, 0.0,
+			1, -0.5, 0,				0.0, 1.0,
+			0.25, -0.125, 1,			0.0, 0.0,
+			0.25, 0.125, 1,		1.0, 0.0,
 
-			0.25, -0.125, 1,		1.0, 0.0,
-			1, 0.5, -1,				0.0, 1.0,
-			1, -0.5, -1,			1.0, 1.0,
+			0.25, 0.125, 1,		1.0, 0.0,
+			1, -0.5, 0,				0.0, 1.0,
+			1, 0.5, 0,			1.0, 1.0,
 
-			1, -0.5, -1,			1.0, 1.0,
-			0.25, -0.125, 1,		1.0, 0.0,
-			0.5, -1, -1,			0.0, 1.0,
+			1, 0.5, 0,			1.0, 1.0,
+			0.25, 0.125, 1,		1.0, 0.0,
+			0.5, 1, 0,			0.0, 1.0,
 
-			0.5, -1, -1,			0.0, 1.0,
-			0.25, -0.125, 1,		1.0, 0.0,
-			0.125, -0.25, 1,		0.0, 0.0,
+			0.5, 1, 0,			0.0, 1.0,
+			0.25, 0.125, 1,		1.0, 0.0,
+			0.125, 0.25, 1,		0.0, 0.0,
 
-			0.125, -0.25, 1,		0.0, 0.0,
-			0.5, -1, -1,			0.0, 1.0,
-			-0.5, -1, -1,			1.0, 1.0,
+			0.125, 0.25, 1,		0.0, 0.0,
+			0.5, 1, 0,			0.0, 1.0,
+			-0.5, 1, 0,			1.0, 1.0,
 
-			-0.5, -1, -1,			1.0, 1.0,
-			0.125, -0.25, 1,		0.0, 0.0,
-			-0.125, -0.25, 1,		1.0, 0.0,
+			-0.5, 1, 0,			1.0, 1.0,
+			0.125, 0.25, 1,		0.0, 0.0,
+			-0.125, 0.25, 1,		1.0, 0.0,
 
-			-0.5, -1, -1,			1.0, 1.0,
-			-0.125, -0.25, 1,		1.0, 0.0,
-			-0.25, -0.125, 1,		0.0, 0.0,
+			-0.5, 1, 0,			1.0, 1.0,
+			-0.125, 0.25, 1,		1.0, 0.0,
+			-0.25, 0.125, 1,		0.0, 0.0,
 
-			-0.25, -0.125, 1,		0.0, 0.0,
-			-0.5, -1, -1,			1.0, 1.0,
-			-1, -0.5, -1,			0.0, 1.0,
+			-0.25, 0.125, 1,		0.0, 0.0,
+			-0.5, 1, 0,			1.0, 1.0,
+			-1, 0.5, 0,			0.0, 1.0,
 
-			-1, -0.5, -1,			0.0, 1.0,
-			-0.25, -0.125, 1,		0.0, 0.0,
-			-0.25, 0.125, 1,		1.0, 0.0,
+			-1, 0.5, 0,			0.0, 1.0,
+			-0.25, 0.125, 1,		0.0, 0.0,
+			-0.25, -0.125, 1,		1.0, 0.0,
 
-			-0.25, 0.125, 1,		1.0, 0.0,
-			-1, -0.5, -1,			0.0, 1.0,
-			-1, 0.5, -1,			1.0, 1.0,
+			-0.25, -0.125, 1,		1.0, 0.0,
+			-1, 0.5, 0,			0.0, 1.0,
+			-1, -0.5, 0,			1.0, 1.0,
 
-			-1, 0.5, -1,			1.0, 1.0,
-			-0.5, 1, -1,			0.0, 1.0,
-			-0.25, 0.125, 1,		1.0, 0.0,
+			-1, -0.5, 0,			1.0, 1.0,
+			-0.5, -1, 0,			0.0, 1.0,
+			-0.25, -0.125, 1,		1.0, 0.0,
 
-			-0.25, 0.125, 1,		1.0, 0.0,
-			-0.125, 0.25, 1,		0.0, 0.0,
-			-0.5, 1, -1,			0.0, 1.0,
+			-0.25, -0.125, 1,		1.0, 0.0,
+			-0.125, -0.25, 1,		0.0, 0.0,
+			-0.5, -1, 0,			0.0, 1.0,
 		};
 
 		unsigned vboSize = sizeof(vertices);

test/query/query.cpp

@@ -729,8 +729,8 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t pushConstants[4];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1300,9 +1300,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/stencilTest/stencilTest.cpp

@@ -806,9 +806,9 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
-		float Zo = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
+		float Zo = 0.0f;
 
 		uint32_t pushConstants[5];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1459,9 +1459,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -0.25, 0.2,
-			 0.75, -0.25, 0.2,
-			 0,  1, 0.2
+			-1, 0.25, 0.2,
+			 0.75, 0.25, 0.2,
+			 0,  -1, 0.2
 		};
 
 		void* data;
@@ -1486,9 +1486,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-0.5, -1, 0.5,
-			 1.5, -1, 0.5,
-			 0.5,  1, 0.5
+			-0.5, 1, 0.5,
+			 1.5, 1, 0.5,
+			 0.5,  -1, 0.5
 		};
 
 		void* data;

test/texturing/texturing.cpp

@@ -756,8 +756,8 @@ void recordCommandBuffers()
 
 			float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 			float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-			float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-			float Zs = 0.5f;
+			float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+			float Zs = 1.0f;
 
 			uint32_t pushConstants[4];
 			pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1562,9 +1562,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/triangle/triangle.cpp

@@ -131,11 +131,55 @@ void run() {
 	cleanup();
 }
 
-void setupVulkan() {
+void setupVulkan() {	
 	createInstance();
 	findPhysicalDevice();
 	findQueueFamilies();
 	createLogicalDevice();
+
+	VkDescriptorPoolSize ps[2];
+	ps[0].descriptorCount = 1;
+	ps[0].type = VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER;
+	ps[1].descriptorCount = 1;
+	ps[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+
+	VkDescriptorPoolCreateInfo ci = {};
+	ci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+	ci.maxSets = 2;
+	ci.poolSizeCount = 2;
+	ci.pPoolSizes = ps;
+	ci.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
+
+	VkDescriptorPool dp;
+	vkCreateDescriptorPool(device, &ci, 0, &dp);
+
+	VkDescriptorSet ds;
+
+	VkDescriptorSetLayoutBinding bi = {};
+	bi.binding = 0;
+	bi.descriptorCount = 1;
+	bi.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+	bi.stageFlags = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
+
+	VkDescriptorSetLayoutCreateInfo dc = {};
+	dc.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
+	dc.bindingCount = 1;
+	dc.pBindings = &bi;
+
+	VkDescriptorSetLayout sl;
+	vkCreateDescriptorSetLayout(device, &dc, 0, &sl);
+
+	VkDescriptorSetAllocateInfo ai = {};
+	ai.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
+	ai.descriptorPool = dp;
+	ai.descriptorSetCount = 1;
+	ai.pSetLayouts = &sl;
+	vkAllocateDescriptorSets(device, &ai, &ds);
+
+	vkFreeDescriptorSets(device, dp, 1, &ds);
+	vkDestroyDescriptorSetLayout(device, sl, 0);
+	vkDestroyDescriptorPool(device, dp, 0);
+
 	CreateShaders();
 	createWindowSurface();
 	checkSwapChainSupport();
@@ -744,8 +788,8 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t pushConstants[4];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1285,9 +1329,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{
-			-1, -1,
-			1, -1,
-			0, 1
+			-1, 1,
+			1, 1,
+			0, -1
 		};
 
 		void* data;

test/varyings/varyings.cpp

@@ -688,8 +688,8 @@ void recordCommandBuffers()
 
 		float Wcoeff = 1.0f; //1.0f / Wc = 2.0 - Wcoeff
 		float viewportScaleX = (float)(swapChainExtent.width) * 0.5f * 16.0f;
-		float viewportScaleY = -1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
-		float Zs = 0.5f;
+		float viewportScaleY = 1.0f * (float)(swapChainExtent.height) * 0.5f * 16.0f;
+		float Zs = 1.0f;
 
 		uint32_t pushConstants[4];
 		pushConstants[0] = *(uint32_t*)&Wcoeff;
@@ -1302,9 +1302,9 @@ void CreateVertexBuffer()
 
 		float vertices[] =
 		{ // verts		texcoords
-			-1, -1,		0, 0,
-			 1, -1,		1, 0,
-			 0,  1,		0.5, 1
+			-1,  1,		0, 0,
+			 1,  1,		1, 0,
+			 0, -1,		0.5, 1
 		};
 
 		void* data;