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authorAndrei Karas <akaras@inbox.ru>2015-12-10 02:44:09 +0300
committerAndrei Karas <akaras@inbox.ru>2015-12-10 02:44:09 +0300
commit54d0234c8334bcd61ffb655a57e6147fd279b9e1 (patch)
treefa04d6f007f1facd844840a3bd2301d7e284500e /data/graphics
parentd4106529d69071664d6532c70a21c70da134681c (diff)
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Add OpenGL ES 2 shaders.
Diffstat (limited to 'data/graphics')
-rw-r--r--data/graphics/shaders/CMakeLists.txt2
-rw-r--r--data/graphics/shaders/Makefile.am2
-rw-r--r--data/graphics/shaders/gles2_frag.glsl20
-rw-r--r--data/graphics/shaders/gles2_vertex.glsl12
4 files changed, 36 insertions, 0 deletions
diff --git a/data/graphics/shaders/CMakeLists.txt b/data/graphics/shaders/CMakeLists.txt
index 0dc6cc124..1ae389d50 100644
--- a/data/graphics/shaders/CMakeLists.txt
+++ b/data/graphics/shaders/CMakeLists.txt
@@ -1,4 +1,6 @@
SET(FILES
+ gles2_frag.glsl
+ gles2_vertex.glsl
simple_frag.glsl
simple_vertex.glsl
)
diff --git a/data/graphics/shaders/Makefile.am b/data/graphics/shaders/Makefile.am
index db10da9b1..543c8677b 100644
--- a/data/graphics/shaders/Makefile.am
+++ b/data/graphics/shaders/Makefile.am
@@ -1,6 +1,8 @@
shadersdir = $(pkgdatadir)/data/graphics/shaders
shaders_DATA = \
+ gles2_frag.glsl \
+ gles2_vertex.glsl \
simple_frag.glsl \
simple_vertex.glsl
diff --git a/data/graphics/shaders/gles2_frag.glsl b/data/graphics/shaders/gles2_frag.glsl
new file mode 100644
index 000000000..ab642fcf6
--- /dev/null
+++ b/data/graphics/shaders/gles2_frag.glsl
@@ -0,0 +1,20 @@
+#version 100
+precision mediump float;
+
+uniform sampler2D tex;
+uniform vec4 color;
+uniform float drawType;
+uniform float alpha;
+varying mediump vec2 Texcoord;
+
+void main()
+{
+ if (drawType >= 0.1)
+ {
+ gl_FragColor = texture2D(tex, Texcoord) * vec4(1.0, 1.0, 1.0, alpha);
+ }
+ else
+ {
+ gl_FragColor = color;
+ }
+}
diff --git a/data/graphics/shaders/gles2_vertex.glsl b/data/graphics/shaders/gles2_vertex.glsl
new file mode 100644
index 000000000..83bd7f42d
--- /dev/null
+++ b/data/graphics/shaders/gles2_vertex.glsl
@@ -0,0 +1,12 @@
+#version 100
+
+attribute vec4 position;
+varying vec2 Texcoord;
+uniform vec2 screen;
+uniform vec2 textureSize;
+
+void main()
+{
+ Texcoord = vec2(position.z / textureSize.x, position.w / textureSize.y);
+ gl_Position = vec4(position.x / screen.x - 1.0, 1.0 - position.y / screen.y, 0.0, 1.0);
+}