Added camera

Moved some math types
Added some more vector types
Did the camera matrix calulations
Updated shaders to take push constants

code/vulkan/functions.h

@@ -63,6 +63,7 @@
 	VK_FUNC(CmdSetViewport);
 	VK_FUNC(CmdSetScissor);
 
+	VK_FUNC(CmdPushConstants);
 	VK_FUNC(CmdCopyBufferToImage);
 	VK_FUNC(CmdPipelineBarrier2);
 	VK_FUNC(CmdBeginRendering);

code/vulkan/shaders/basic.vert

@@ -9,6 +9,11 @@ struct Vertex {
 	uint pad;
 };
 
+layout(push_constant, row_major)
+uniform Global {
+	mat4 proj;
+};
+
 layout(binding = 0, scalar)
 readonly buffer Vertices {
 	Vertex vtx[];
@@ -21,7 +26,7 @@ layout(location = 2) out flat uint idx;
 void main() {
 	Vertex v = vtx[gl_VertexIndex];
 
-	gl_Position = v.p;
+	gl_Position = proj * v.p;
 
 	frag_uv = v.uv;
 	frag_c  = vec4((v.c >> 24) & 0xFF, (v.c >> 16) & 0xFF, (v.c >> 8) & 0xFF, (v.c >> 0) & 0xFF) / 255.0f;