#version 450
#extension GL_ARB_separate_shader_objects : enable

struct SpriteInstanceData
{
    mat4 Transform;
    vec4 TexCoords;
    vec4 Color;
};

layout (location = 0) in vec2 inPosition;
layout (location = 1) in vec2 inTexCoord;

layout(location = 0) out vec2 outTexCoord;
layout(location = 1) out vec4 outVertexColor;

layout(set = 0, binding = 0) readonly buffer SBO_SpriteData {
    SpriteInstanceData data[];
} sboSpriteData;

layout(set = 1, binding = 0) uniform UBO_Vertex_PerScene {
    mat4 projection;
} uboPerScene;
layout(set = 1, binding = 1) uniform UBO_Vertex_PerFrame {
    mat4 view;
} uboPerFrame;

void main()
{
    SpriteInstanceData spriteData = sboSpriteData.data[gl_InstanceIndex];
	gl_Position = uboPerScene.projection * uboPerFrame.view * spriteData.Transform * vec4(inPosition, 0.0f, 1.0f);
    outTexCoord = inTexCoord;
    outVertexColor = spriteData.Color;
}