[glsl-out] Add stage postfix for block structs

src/back/glsl/mod.rs

@@ -1200,7 +1200,12 @@ impl<'a, W: Write> Writer<'a, W> {
         // generated number so it's unique and `members` are the same as in a struct
         if block {
             // Write the block name, it's just the struct name appended with `_block_ID`
-            let block_name = format!("{}_block_{}", name, self.block_id.generate());
+            let stage_postfix = match self.entry_point.stage {
+                ShaderStage::Vertex => "Vs",
+                ShaderStage::Fragment => "Fs",
+                ShaderStage::Compute => "Cs",
+            };
+            let block_name = format!("{}_block_{}{}", name, self.block_id.generate(), stage_postfix);
             writeln!(self.out, "{} {{", block_name)?;
 
             self.reflection_names.insert(handle, block_name);

tests/out/glsl/boids.main.Compute.glsl

@@ -10,7 +10,7 @@ struct Particle {
     vec2 vel;
 };
 
-uniform SimParams_block_0 {
+uniform SimParams_block_0Cs {
     float deltaT;
     float rule1Distance;
     float rule2Distance;
@@ -20,11 +20,11 @@ uniform SimParams_block_0 {
     float rule3Scale;
 } _group_0_binding_0;
 
-readonly buffer Particles_block_1 {
+readonly buffer Particles_block_1Cs {
     Particle particles[];
 } _group_0_binding_1;
 
-buffer Particles_block_2 {
+buffer Particles_block_2Cs {
     Particle particles[];
 } _group_0_binding_2;
 

tests/out/glsl/quad-vert.main.Vertex.glsl

@@ -15,7 +15,7 @@ vec2 v_uv = vec2(0, 0);
 
 vec2 a_uv1 = vec2(0, 0);
 
-struct gen_gl_PerVertex_block_0 {
+struct gen_gl_PerVertex_block_0Vs {
     vec4 gen_gl_Position;
     float gen_gl_PointSize;
     float gen_gl_ClipDistance[1];

tests/out/glsl/shadow.fs_main.Fragment.glsl

@@ -9,11 +9,11 @@ struct Light {
     vec4 color;
 };
 
-uniform Globals_block_0 {
+uniform Globals_block_0Fs {
     uvec4 num_lights;
 } _group_0_binding_0;
 
-readonly buffer Lights_block_1 {
+readonly buffer Lights_block_1Fs {
     Light data[];
 } _group_0_binding_1;
 

tests/out/glsl/skybox.vs_main.Vertex.glsl

@@ -8,7 +8,7 @@ struct VertexOutput {
     vec3 uv;
 };
 
-layout(binding = 0) uniform Data_block_0 {
+layout(binding = 0) uniform Data_block_0Vs {
     mat4x4 proj_inv;
     mat4x4 view;
 } _group_0_binding_0;