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[client] all: add screen rotation support win:rotate

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Currently only supports EGL, if there is enough demand for OpenGL
support this can be added later.

Closes #231
This commit is contained in:
Geoffrey McRae
2021-01-15 12:40:59 +11:00
parent c40a81ddf4
commit 72c86d7125
11 changed files with 252 additions and 73 deletions
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24
client/renderers/EGL/shader/cursor_rgb.frag
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@@ -2,6 +2,7 @@
in highp vec2 uv;
out highp vec4 color;
uniform int rotate;
uniform sampler2D sampler1;
@@ -9,7 +10,28 @@ uniform int cbMode;
void main()
{
color = texture(sampler1, uv);
highp vec2 ruv;
if (rotate == 0) // up
{
ruv = uv;
}
else if (rotate == 1) // down
{
ruv.x = -uv.x + 1.0f;
ruv.y = -uv.y + 1.0f;
}
else if (rotate == 2) // left
{
ruv.x = -uv.y + 1.0f;
ruv.y = uv.x;
}
else if (rotate == 3) // right
{
ruv.x = uv.y;
ruv.y = -uv.x + 1.0f;
}
color = texture(sampler1, ruv);
if (cbMode > 0)
{