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authorLibravatar Richard <richardsoncusto@gmail.com>2021-11-11 01:10:47 -0300
committerLibravatar Richard <richardsoncusto@gmail.com>2022-01-19 17:40:17 -0300
commite31566d430093fb084da2e7f4f4ed1b66326edef (patch)
tree328c599dd2d62a32e17e95e792c74054d822537e /glow/src/shader/common
parentafdf3e799a7610444208c9568a7cf7531d0c2ef3 (diff)
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Improve shader version selection
Diffstat (limited to 'glow/src/shader/common')
-rw-r--r--glow/src/shader/common/triangle.frag18
-rw-r--r--glow/src/shader/common/triangle.vert11
2 files changed, 29 insertions, 0 deletions
diff --git a/glow/src/shader/common/triangle.frag b/glow/src/shader/common/triangle.frag
new file mode 100644
index 00000000..e8689f2e
--- /dev/null
+++ b/glow/src/shader/common/triangle.frag
@@ -0,0 +1,18 @@
+#ifdef GL_ES
+#ifdef GL_FRAGMENT_PRECISION_HIGH
+precision highp float;
+#else
+precision mediump float;
+#endif
+#endif
+
+#ifdef HIGHER_THAN_300
+out vec4 fragColor;
+#define gl_FragColor fragColor
+#endif
+
+in vec4 v_Color;
+
+void main() {
+ gl_FragColor = v_Color;
+} \ No newline at end of file
diff --git a/glow/src/shader/common/triangle.vert b/glow/src/shader/common/triangle.vert
new file mode 100644
index 00000000..d0494a5f
--- /dev/null
+++ b/glow/src/shader/common/triangle.vert
@@ -0,0 +1,11 @@
+uniform mat4 u_Transform;
+
+in vec2 i_Position;
+in vec4 i_Color;
+
+out vec4 v_Color;
+
+void main() {
+ gl_Position = u_Transform * vec4(i_Position, 0.0, 1.0);
+ v_Color = i_Color;
+} \ No newline at end of file