mirror of
https://github.com/gnif/LookingGlass.git
synced 2025-10-18 21:38:10 +00:00
[client] implement support for RGB24 packed data
This commit is contained in:
35
client/renderers/EGL/shader/convert_bgr_bgra.frag
Normal file
35
client/renderers/EGL/shader/convert_bgr_bgra.frag
Normal file
@@ -0,0 +1,35 @@
|
||||
#version 300 es
|
||||
#extension GL_OES_EGL_image_external_essl3 : enable
|
||||
|
||||
precision highp float;
|
||||
|
||||
in vec2 fragCoord;
|
||||
out vec4 fragColor;
|
||||
|
||||
uniform sampler2D sampler1;
|
||||
uniform vec2 outputSize;
|
||||
|
||||
void main()
|
||||
{
|
||||
uvec2 inputSize = uvec2(textureSize(sampler1, 0));
|
||||
uvec2 pos = uvec2(fragCoord * outputSize);
|
||||
uint outputWidth = uint(outputSize.x);
|
||||
|
||||
uint output_idx = pos.y * outputWidth + pos.x;
|
||||
|
||||
uint fst = output_idx * 3u / 4u;
|
||||
vec4 color_0 = texelFetch(sampler1, ivec2(fst % inputSize.x, fst / inputSize.x), 0);
|
||||
|
||||
uint snd = (output_idx * 3u + 1u) / 4u;
|
||||
vec4 color_1 = texelFetch(sampler1, ivec2(snd % inputSize.x, snd / inputSize.x), 0);
|
||||
|
||||
uint trd = (output_idx * 3u + 2u) / 4u;
|
||||
vec4 color_2 = texelFetch(sampler1, ivec2(trd % inputSize.x, trd / inputSize.x), 0);
|
||||
|
||||
fragColor.bgra = vec4(
|
||||
color_0.barg[output_idx % 4u],
|
||||
color_1.gbar[output_idx % 4u],
|
||||
color_2.rgba[output_idx % 4u],
|
||||
1.0
|
||||
);
|
||||
}
|
Reference in New Issue
Block a user