Render: Add support for int/double shader attributes

assets/glsl/batch-3d.frag

@@ -4,14 +4,14 @@ layout(location = 0) out vec4 color;
 
 in vec3 v_normal;
 in vec2 v_textureCoordinates;
-in flat float v_textureIndex;
+in flat uint v_textureIndex;
 
 uniform sampler2D u_textures[32];
 
 void main()
 {
 	vec4 textureColor = vec4(1.0f);
-	switch(int(v_textureIndex)) {
+	switch(v_textureIndex) {
 		case 0:  break; // Texture unit 0 is reserved for no texture
 		case 1:  textureColor *= texture(u_textures[1],  v_textureCoordinates); break;
 		case 2:  textureColor *= texture(u_textures[2],  v_textureCoordinates); break;

assets/glsl/batch-3d.vert

@@ -3,11 +3,11 @@
 layout(location = 0) in vec3 a_position;
 layout(location = 1) in vec3 a_normal;
 layout(location = 2) in vec2 a_textureCoordinates;
-layout(location = 3) in float a_textureIndex;
+layout(location = 3) in uint a_textureIndex;
 
 out vec3 v_normal;
 out vec2 v_textureCoordinates;
-out flat float v_textureIndex;
+out flat uint v_textureIndex;
 
 uniform mat4 u_projectionView;
 

assets/glsl/batch-cubemap.frag

@@ -4,14 +4,14 @@ layout(location = 0) out vec4 color;
 
 in vec4 v_color;
 in vec3 v_textureCoordinates;
-in flat float v_textureIndex;
+in flat uint v_textureIndex;
 
 uniform samplerCube u_textures[32];
 
 void main()
 {
 	vec4 textureColor = v_color;
-	switch(int(v_textureIndex)) {
+	switch(v_textureIndex) {
 		case 0:  break; // Texture unit 0 is reserved for no texture
 		case 1:  textureColor *= texture(u_textures[1],  v_textureCoordinates); break;
 		case 2:  textureColor *= texture(u_textures[2],  v_textureCoordinates); break;

assets/glsl/batch-cubemap.vert

@@ -2,11 +2,11 @@
 
 layout(location = 0) in vec3 a_position;
 layout(location = 1) in vec4 a_color;
-layout(location = 2) in float a_textureIndex;
+layout(location = 2) in uint a_textureIndex;
 
 out vec4 v_color;
 out vec3 v_textureCoordinates;
-out flat float v_textureIndex;
+out flat uint v_textureIndex;
 
 uniform mat4 u_projectionView;
 

assets/glsl/batch-font.frag

@@ -4,7 +4,7 @@ layout(location = 0) out vec4 color;
 
 in vec4 v_color;
 in vec2 v_textureCoordinates;
-in flat float v_textureIndex;
+in flat uint v_textureIndex;
 in float v_width;
 in float v_edge;
 in float v_borderWidth;
@@ -25,7 +25,7 @@ float alpha(float textureAlpha)
 void main()
 {
 	vec4 textureColor = v_color;
-	switch(int(v_textureIndex)) {
+	switch(v_textureIndex) {
 		case 0:  break; // Texture unit 0 is reserved for no texture
 		// case 1: textureColor.a = 1; break;
 		case 1:  textureColor.a = alpha(texture(u_textures[1], v_textureCoordinates).a); break;

assets/glsl/batch-font.vert

@@ -3,7 +3,7 @@
 layout(location = 0) in vec3 a_position;
 layout(location = 1) in vec4 a_color;
 layout(location = 2) in vec2 a_textureCoordinates;
-layout(location = 3) in float a_textureIndex;
+layout(location = 3) in uint a_textureIndex;
 layout(location = 4) in float a_width;
 layout(location = 5) in float a_edge;
 layout(location = 6) in float a_borderWidth;
@@ -13,7 +13,7 @@ layout(location = 9) in float a_offset;
 
 out vec4 v_color;
 out vec2 v_textureCoordinates;
-out flat float v_textureIndex;
+out flat uint v_textureIndex;
 out float v_width;
 out float v_edge;
 out float v_borderWidth;

assets/glsl/batch-quad.frag

@@ -4,14 +4,14 @@ layout(location = 0) out vec4 color;
 
 in vec4 v_color;
 in vec2 v_textureCoordinates;
-in flat float v_textureIndex;
+in flat uint v_textureIndex;
 
 uniform sampler2D u_textures[32];
 
 void main()
 {
 	vec4 textureColor = v_color;
-	switch(int(v_textureIndex)) {
+	switch(v_textureIndex) {
 		case 0:  break; // Texture unit 0 is reserved for no texture
 		case 1:  textureColor *= texture(u_textures[1],  v_textureCoordinates); break;
 		case 2:  textureColor *= texture(u_textures[2],  v_textureCoordinates); break;

assets/glsl/batch-quad.vert

@@ -3,11 +3,11 @@
 layout(location = 0) in vec3 a_position;
 layout(location = 1) in vec4 a_color;
 layout(location = 2) in vec2 a_textureCoordinates;
-layout(location = 3) in float a_textureIndex;
+layout(location = 3) in uint a_textureIndex;
 
 out vec4 v_color;
 out vec2 v_textureCoordinates;
-out flat float v_textureIndex;
+out flat uint v_textureIndex;
 
 uniform mat4 u_projectionView;