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author | Mike Erwin <significant.bit@gmail.com> | 2016-10-18 07:08:34 +0300 |
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committer | Mike Erwin <significant.bit@gmail.com> | 2016-10-18 07:08:34 +0300 |
commit | 70ff63e63fc3a63dccc6a6c567bbc347c64d6c7d (patch) | |
tree | 76934061ddae6dc4091541f5ee227bedc0346ad6 /source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl | |
parent | 0c6939f5f597e4e7fe5777de7a49b49ff53fa987 (diff) |
OpenGL: tweak image shaders & code that uses them
- rename image shaders to describe exactly what they do
- rename inputs to match other built-in shaders
- set & use active texture unit
- no need to enable/disable textures with GLSL
- pull vertex format setup out of loops
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl')
-rw-r--r-- | source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl b/source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl new file mode 100644 index 00000000000..74e17198985 --- /dev/null +++ b/source/blender/gpu/shaders/gpu_shader_image_modulate_alpha_frag.glsl @@ -0,0 +1,18 @@ + +#if __VERSION__ == 120 + varying vec2 texCoord_interp; + #define fragColor gl_FragColor +#else + in vec2 texCoord_interp; + out vec4 fragColor; + #define texture2D texture +#endif + +uniform float alpha; +uniform sampler2D image; + +void main() +{ + fragColor = texture2D(image, texCoord_interp); + fragColor.a *= alpha; +} |