Initial commit

This is working repository now. I had to clean this up due to
my f_ups, that made this simple repo around 200MB large.

Signed-off-by: Piotr Krygier <piotrkrygier@everyonecancode@xyz>

graphics/shaders/shader.vert

@@ -0,0 +1,79 @@
+#version 450
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 model;
+    mat4 view;
+    mat4 proj;
+} ubo;
+
+#define MAX_INSTANCES 1024
+
+struct InstanceData
+{
+    vec3 pos;
+    vec3 rot;
+    float scale;
+    uint texture_id;
+};
+
+layout(binding = 1) uniform InstanceUniformBuffer {
+    InstanceData instances[MAX_INSTANCES];
+};
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec2 inTexCoord;
+
+layout(location = 0) out vec3 fragColor;
+layout(location = 1) out vec2 fragTexCoord;
+layout(location = 2) out uint outInstanceTextureId;
+
+
+void main()
+{
+    InstanceData instance = instances[gl_InstanceIndex];
+    mat4 gRotMat;
+    mat3 mx, my, mz;
+
+    // rotate around x
+    float s = sin(instance.rot.x + 0);
+    float c = cos(instance.rot.x + 0);
+
+    mx[0] = vec3(1, 0.0, 0.0);
+    mx[1] = vec3(0, c, -s);
+    mx[2] = vec3(0.0, s, c);
+
+    // rotate around y
+    s = sin(instance.rot.y + 0);
+    c = cos(instance.rot.y + 0);
+
+    my[0] = vec3(c, 0.0, s);
+    my[1] = vec3(0.0, 1.0, 0.0);
+    my[2] = vec3(-s, 0.0, c);
+
+    // rot around z
+    s = sin(instance.rot.z + 0);
+    c = cos(instance.rot.z + 0);
+
+    mz[0] = vec3(c, -s, 0.0);
+    mz[1] = vec3(s, c, 0.0);
+    mz[2] = vec3(0.0, 0.0, 1);
+
+    mat3 rotMat = mz * my * mx;
+
+    s = sin(instance.rot.y + 0);
+    c = cos(instance.rot.y + 0);
+    gRotMat[0] = vec4(c, 0.0, s, 0.0);
+    gRotMat[1] = vec4(0.0, 1.0, 0.0, 0.0);
+    gRotMat[2] = vec4(-s, 0.0, c, 0.0);
+    gRotMat[3] = vec4(0.0, 0.0, 0.0, 1.0);
+
+    vec4 locPos = vec4(inPosition.xyz * rotMat, 1.0);
+    vec4 pos = vec4((locPos.xyz * instance.scale) + instance.pos, 1.0);
+
+    gl_Position = ubo.proj * ubo.view * ubo.model * pos;
+
+    fragColor = inColor;
+    fragTexCoord = inTexCoord;
+    outInstanceTextureId = instance.texture_id;
+}