Vertices: fix alpha blending when window background is transparent, add uniform for color

1 files changed, 2 insertions, 0 deletions

diff --git a/include/mgl/graphics/shader.h b/include/mgl/graphics/shader.h
index 16b573a..19d0605 100644
--- a/include/mgl/graphics/shader.h
+++ b/include/mgl/graphics/shader.h
@@ -2,6 +2,7 @@
 #define MGL_SHADER_H
 
 #include "../system/vec.h"
+#include "../graphics/color.h"
 
 typedef struct mgl_texture mgl_texture;
 
@@ -26,6 +27,7 @@ int mgl_shader_program_set_uniform_float(mgl_shader_program *self, const char *u
 int mgl_shader_program_set_uniform_vec2f(mgl_shader_program *self, const char *uniform_name, mgl_vec2f value);
 int mgl_shader_program_set_uniform_vec3f(mgl_shader_program *self, const char *uniform_name, mgl_vec3f value);
 int mgl_shader_program_set_uniform_vec4f(mgl_shader_program *self, const char *uniform_name, mgl_vec4f value);
+int mgl_shader_program_set_uniform_color(mgl_shader_program *self, const char *uniform_name, mgl_color color);
 
 /* If |shader_program| is NULL then no shader is used */
 void mgl_shader_program_use(mgl_shader_program *shader_program);