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| author | Perttu Ahola <celeron55@gmail.com> | 2012-12-01 03:02:16 +0200 |
|---|---|---|
| committer | Perttu Ahola <celeron55@gmail.com> | 2012-12-02 00:46:18 +0200 |
| commit | 27373919f4369c0c511f9f0ac66854b7f76e101d (patch) | |
| tree | e830e623af8b51b72468f9aa04faf85210d66177 /client/shaders/test_shader_1 | |
| parent | 22e6fb7056dcc888e9ccf768fefb6c073077a3b5 (diff) | |
| download | minetest-27373919f4369c0c511f9f0ac66854b7f76e101d.tar.gz minetest-27373919f4369c0c511f9f0ac66854b7f76e101d.tar.bz2 minetest-27373919f4369c0c511f9f0ac66854b7f76e101d.zip | |
Implement a global shader parameter passing system and useful shaders
Diffstat (limited to 'client/shaders/test_shader_1')
| -rw-r--r-- | client/shaders/test_shader_1/base.txt | 1 | ||||
| -rw-r--r-- | client/shaders/test_shader_1/opengl_fragment.glsl | 25 | ||||
| -rw-r--r-- | client/shaders/test_shader_1/opengl_vertex.glsl | 25 |
3 files changed, 51 insertions, 0 deletions
diff --git a/client/shaders/test_shader_1/base.txt b/client/shaders/test_shader_1/base.txt new file mode 100644 index 000000000..080df30dd --- /dev/null +++ b/client/shaders/test_shader_1/base.txt @@ -0,0 +1 @@ +trans_alphach_ref diff --git a/client/shaders/test_shader_1/opengl_fragment.glsl b/client/shaders/test_shader_1/opengl_fragment.glsl new file mode 100644 index 000000000..ebf943ced --- /dev/null +++ b/client/shaders/test_shader_1/opengl_fragment.glsl @@ -0,0 +1,25 @@ +
+uniform sampler2D myTexture;
+uniform vec4 skyBgColor;
+uniform float fogDistance;
+
+varying vec3 vPosition;
+
+void main (void)
+{
+ //vec4 col = vec4(1.0, 0.0, 0.0, 1.0);
+ vec4 col = texture2D(myTexture, vec2(gl_TexCoord[0]));
+ float a = col.a;
+ col *= gl_Color;
+ col = col * col; // SRGB -> Linear
+ col *= 1.8;
+ col.r = 1.0 - exp(1.0 - col.r) / exp(1.0);
+ col.g = 1.0 - exp(1.0 - col.g) / exp(1.0);
+ col.b = 1.0 - exp(1.0 - col.b) / exp(1.0);
+ col = sqrt(col); // Linear -> SRGB
+ if(fogDistance != 0.0){
+ float d = max(0.0, min(vPosition.z / fogDistance * 1.5 - 0.6, 1.0));
+ col = mix(col, skyBgColor, d);
+ }
+ gl_FragColor = vec4(col.r, col.g, col.b, a);
+}
diff --git a/client/shaders/test_shader_1/opengl_vertex.glsl b/client/shaders/test_shader_1/opengl_vertex.glsl new file mode 100644 index 000000000..498085053 --- /dev/null +++ b/client/shaders/test_shader_1/opengl_vertex.glsl @@ -0,0 +1,25 @@ +
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+
+varying vec3 vPosition;
+
+void main(void)
+{
+ gl_Position = mWorldViewProj * gl_Vertex;
+
+ vPosition = (mWorldViewProj * gl_Vertex).xyz;
+
+ if(gl_Normal.y > 0.5)
+ gl_FrontColor = gl_BackColor = gl_Color;
+ else
+ gl_FrontColor = gl_BackColor = gl_Color * 0.7;
+
+ /*if(gl_Normal.y > 0.5)
+ gl_FrontColor = gl_BackColor = vec4(1.0, 1.0, 1.0, 1.0);
+ else
+ gl_FrontColor = gl_BackColor = vec4(1.0, 1.0, 1.0, 1.0) * 0.7;*/
+
+ gl_TexCoord[0] = gl_MultiTexCoord0;
+}
|