draw more quads

RavEngine · Jul 4, 2024 · 9506c1b · 9506c1b
1 parent acf7d96
commit 9506c1b
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/09-BindlessTexturing/bindlesstexturing.cpp b/09-BindlessTexturing/bindlesstexturing.cpp
@@ -225,7 +225,7 @@ struct BindlessTexturing : public ExampleFramework {
         commandBuffer->SetIndexBuffer(indexBuffer);
         commandBuffer->SetFragmentSampler(sampler,0);
         commandBuffer->SetFragmentTexture(heapStart, 1);        // expose all the textures
-        commandBuffer->DrawIndexed(std::size(BasicObjects::Quad::indices));
+        commandBuffer->DrawIndexed(std::size(BasicObjects::Quad::indices), {.nInstances = 3});
 
         commandBuffer->EndRendering();
         commandBuffer->End();

diff --git a/09-BindlessTexturing/btex.vert b/09-BindlessTexturing/btex.vert
@@ -9,10 +9,18 @@ layout(location = 1) in vec2 inUV;
 layout(location = 0) out vec2 outUV;
 layout(location = 1) out flat uint instance;
 
+vec3 positions[] = {
+    vec3(-3,0,0),
+    vec3(0,0,0),
+    vec3(3,0,0)
+}; 
+
 void main(){
 
     instance = gl_InstanceID;
 
-    gl_Position = ubo.viewProj * vec4(inPosition, 0, 1);
+    vec3 pos = vec3(inPosition, 0) + positions[gl_InstanceID];
+
+    gl_Position = ubo.viewProj * vec4(pos, 1);
     outUV = inUV;
 }