Changeset 14ff67c in opengl-game for color.vert

Timestamp:

May 24, 2018, 2:35:35 AM (6 years ago)

Author:

Dmitry Portnoy <dmp1488@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

4f3262f

Parents:

e165b85

Message:

Use uniform buffers to store model matrices and add constants to toggle FPS display and vsync.

File:

• color.vert (modified) (3 diffs)

color.vert

@@ -1 +1 @@
 #version 410
 
-uniform mat4 model, view, proj;
+#define MAX_NUM_OBJECTS 1024
 
-layout (std140) uniform shader_data {
-  mat4 model_mat;
+uniform mat4 view, proj;
+
+layout (std140) uniform models {
+  mat4 model_mats[MAX_NUM_OBJECTS];
 };
 
@@ -10 +12 @@
 layout(location = 1) in vec3 vertex_color;
 layout(location = 2) in vec3 vertex_normal;
+layout(location = 3) in uint ubo_index;
 
 out vec3 position_eye, normal_eye, color, light_position_eye;
@@ -17 +20 @@
 
 void main() {
-  position_eye = vec3(view * model * vec4(vertex_position, 1.0));
-  normal_eye = vec3(view * model * vec4 (vertex_normal, 0.0));
+  position_eye = vec3(view * model_mats[ubo_index] * vec4(vertex_position, 1.0));
+  normal_eye = vec3(view * model_mats[ubo_index] * vec4 (vertex_normal, 0.0));
   color = vertex_color;
   light_position_eye = vec3(view * vec4(light_position_world, 1.0));