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render/gles2: use format bpp when reading pixels

This commit is contained in:
emersion 2018-01-26 23:13:41 +01:00
parent 4fa90b0511
commit f34a1b75eb
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 5 additions and 1 deletions
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4
render/gles2/pixel_format.c
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@ -25,12 +25,16 @@ struct pixel_format formats[] = {
},
{
.wl_format = WL_SHM_FORMAT_XBGR8888,
.depth = 24,
.bpp = 32,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgbx
},
{
.wl_format = WL_SHM_FORMAT_ABGR8888,
.depth = 32,
.bpp = 32,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgba

2
render/gles2/renderer.c
View File

@ -229,7 +229,7 @@ static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer,
unsigned char *p = data + dst_y * stride;
for (size_t i = src_y; i < src_y + height; ++i) {
glReadPixels(src_x, src_y + height - i - 1, width, 1, fmt->gl_format,
fmt->gl_type, p + i * stride + dst_x * 4);
fmt->gl_type, p + i * stride + dst_x * fmt->bpp / 8);
}
return true;