add max_vertex_attribs property to GLContext

src/shader.cpp

@@ -446,10 +446,7 @@ initCTXSizes(GLContext* gl_ctx)
 				gl_ctx->max_fragment_blocks);
 		printf("GL_MAX_UNIFORM_BLOCK_SIZE: %d\n",
 				gl_ctx->max_ublock_size);
-
-		GLint max_vertex_attribs = 0;
-		glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &max_vertex_attribs);
-		printf("GL_MAX_VERTEX_ATTRIBS: %d\n", max_vertex_attribs);
+		printf("GL_MAX_VERTEX_ATTRIBS: %d\n", gl_ctx->max_vertex_attribs);
 #endif
 	}
 }

src/shader.h

@@ -9,6 +9,7 @@
 #include "util.h"
 
 
+// TODO: rename structures to consistent style
 struct gl_uniform
 {
 	// NOTE: would be nice to use idx as the location parameter because it seems
@@ -89,6 +90,7 @@ struct GLContext
 	GLint max_vertex_blocks;
 	GLint max_fragment_blocks;
 	GLint max_ublock_size;
+	GLint max_vertex_attribs;
 
 	u32 max_ubos;
 	u32 num_ubos;