2D rendering (big feature)

resources/EngineResources/SpriteShaders/sprite_fragment.glsl

@@ -0,0 +1,25 @@
+#version 450
+
+const int MAX_TEXTURES = 128;
+const float GAMMA_CONST = 0.4545;
+layout(location = 0) in vec2 inUV;
+
+layout(location = 0) out vec4 outColor;
+layout(push_constant) uniform pc {
+    layout(offset = 24) uint textureIndex;
+} push_constants;
+
+layout(set = 1, binding = 0) uniform sampler2D spriteTextures[MAX_TEXTURES];
+
+vec4 gamma(vec4 color){
+    return color = vec4(pow(color.rgb,vec3(GAMMA_CONST)),color.a);
+}
+
+void main() {
+    vec4 tex = texture(spriteTextures[push_constants.textureIndex], inUV);
+    outColor = gamma(tex);
+
+    if (outColor.a <= 0.09) {
+        discard;
+    }
+}

resources/EngineResources/SpriteShaders/sprite_translucent_fragment.glsl

@@ -0,0 +1,19 @@
+#version 450
+
+const int MAX_TEXTURES = 128;
+
+layout(location = 0) in vec2 inUV;
+
+layout(location = 0) out vec4 outColor;
+layout(push_constant) uniform pc {
+    layout(offset = 24) uint textureIndex;
+} push_constants;
+
+layout(set = 1, binding = 0) uniform sampler2D spriteTextures[MAX_TEXTURES];
+
+void main() {
+    vec4 tex = texture(spriteTextures[push_constants.textureIndex], inUV);
+    outColor = tex;
+
+    if(outColor.a >= 0.9 || outColor.a <= 0.001){discard;}
+}

resources/EngineResources/SpriteShaders/sprite_vertex.glsl

@@ -0,0 +1,36 @@
+#version 450
+
+layout(location = 0) in vec2 inPos;
+layout(location = 1) in vec2 inUV;
+
+layout(location = 0) out vec2 outUV;
+
+
+layout(push_constant) uniform pc {
+    vec2 modelSize;
+    vec2 position;
+    vec2 screenSize;
+
+} push_constants;
+
+layout(set = 0, binding = 0) uniform ViewUniform{
+    vec2 camPos;
+    vec2 camScale;
+} viewUniform;
+
+
+void main() {
+    vec2 ScaledPos = inPos * push_constants.modelSize;
+    vec2 worldPos = push_constants.position + ScaledPos;
+    worldPos += viewUniform.camPos;
+    vec2 ndc = vec2(
+    (worldPos.x / push_constants.screenSize.x) * 2.0 - 1.0,
+    (worldPos.y / push_constants.screenSize.y) * 2.0 - 1.0
+    );
+
+    ndc.y = -ndc.y;
+
+
+    gl_Position = vec4(ndc * viewUniform.camScale, 0.0, 1.0);
+    outUV = vec2(inUV.x, 1 - inUV.y);
+}