Optimize Rendering with batched draw calls

Draw calls are now batched for performance. Render times on git log at
the default size are now ~200usec.

1 files changed, 4 insertions, 2 deletions

diff --git a/res/text.f.glsl b/res/text.f.glsl
index e817626f..d3265712 100644
--- a/res/text.f.glsl
+++ b/res/text.f.glsl
@@ -1,15 +1,17 @@
 #version 330 core
 in vec2 TexCoords;
+flat in int InstanceId;
 
 layout(location = 0, index = 0) out vec4 color;
 layout(location = 0, index = 1) out vec4 alphaMask;
 
 uniform sampler2D mask;
-uniform ivec3 textColor;
+uniform ivec3 textColor[32];
 
 void main()
 {
+    int i = InstanceId;
     alphaMask = vec4(texture(mask, TexCoords).rgb, 1.0);
-    vec3 textColorF = vec3(textColor) / vec3(255.0, 255.0, 255.0);
+    vec3 textColorF = vec3(textColor[i]) / vec3(255.0, 255.0, 255.0);
     color = vec4(textColorF, 1.0);
 }