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GTK+: OpenGL: Use MapBufferRange on GL >= 3.0.

This commit is contained in:
Brandon Wright 2019-01-17 10:41:27 -06:00
parent 5b01fa2dc1
commit 175b9baf64
1 changed files with 10 additions and 0 deletions
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10
gtk/src/gtk_display_driver_opengl.cpp
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@ -175,6 +175,11 @@ void S9xOpenGLDisplayDriver::update (int width, int height, int yoffset)
width * height * 2,
NULL,
GL_STREAM_DRAW);
if (version >= 30)
glMapBufferRange (GL_PIXEL_UNPACK_BUFFER, 0,
width * height * image_bpp,
GL_WRITE_ONLY | GL_MAP_INVALIDATE_BUFFER_BIT);
pbo_map = glMapBuffer (GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
for (int y = 0; y < height; y++)
@ -206,6 +211,11 @@ void S9xOpenGLDisplayDriver::update (int width, int height, int yoffset)
width * height * 4,
NULL,
GL_STREAM_DRAW);
if (version >= 30)
glMapBufferRange (GL_PIXEL_UNPACK_BUFFER, 0,
width * height * image_bpp,
GL_WRITE_ONLY | GL_MAP_INVALIDATE_BUFFER_BIT);
pbo_map = glMapBuffer (GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
/* Pixel swizzling in software */