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Fix Texture.GetData under GLES.

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This commit is contained in:
Paul Chote
2020-01-06 23:00:21 +00:00
committed by abcdefg30
parent 524e8875d0
commit d622015b59
2 changed files with 25 additions and 3 deletions
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19
OpenRA.Platforms.Default/Texture.cs
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@@ -133,16 +133,31 @@ namespace OpenRA.Platforms.Default
OpenGL.glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER, OpenGL.GL_COLOR_ATTACHMENT0, OpenGL.GL_TEXTURE_2D, texture, 0);
OpenGL.CheckGLError();
var canReadBGRA = OpenGL.Features.HasFlag(OpenGL.GLFeatures.ESReadFormatBGRA);
unsafe
{
fixed (byte* ptr = &data[0])
{
var intPtr = new IntPtr((void*)ptr);
OpenGL.glReadPixels(0, 0, Size.Width, Size.Height, OpenGL.GL_BGRA, OpenGL.GL_UNSIGNED_BYTE, intPtr);
var intPtr = new IntPtr(ptr);
var format = canReadBGRA ? OpenGL.GL_BGRA : OpenGL.GL_RGBA;
OpenGL.glReadPixels(0, 0, Size.Width, Size.Height, format, OpenGL.GL_UNSIGNED_BYTE, intPtr);
OpenGL.CheckGLError();
}
}
// Convert RGBA to BGRA
if (!canReadBGRA)
{
for (var i = 0; i < 4 * Size.Width * Size.Height; i += 4)
{
var temp = data[i];
data[i] = data[i + 2];
data[i + 2] = temp;
}
}
OpenGL.glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, (uint)lastFramebuffer);
OpenGL.glDeleteFramebuffers(1, ref framebuffer);
OpenGL.CheckGLError();