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fix(texture): glGetTexImage readback BGRA texture

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Swung0x48 2025-02-28 10:52:15 +08:00
parent 68700c1fcb
commit 34aed04e70
1 changed files with 10 additions and 9 deletions
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21
src/main/cpp/gl/texture.cpp
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@ -793,17 +793,18 @@ void glGetTexImage(GLenum target, GLint level, GLenum format, GLenum type, void*
glPixelStorei(GL_PACK_ALIGNMENT, 1); glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadBuffer(GL_COLOR_ATTACHMENT0); glReadBuffer(GL_COLOR_ATTACHMENT0);
// if (format == GL_BGRA && (type == GL_UNSIGNED_INT_8_8_8_8 || type == GL_UNSIGNED_INT_8_8_8_8_REV)) { if (pixels != NULL && format == GL_BGRA && (type == GL_UNSIGNED_INT_8_8_8_8 || type == GL_UNSIGNED_INT_8_8_8_8_REV)) {
// void *read_pixels = malloc(width * height * 4); void *read_pixels = malloc(width * height * 4);
// glReadPixels(0, 0, width, height, format, type, read_pixels); glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, read_pixels);
// pixel_convert(read_pixels, &pixels, width, height, GL_RGBA, GL_UNSIGNED_BYTE, format, GL_UNSIGNED_BYTE, 0, 1); pixel_convert(read_pixels, &pixels, width, height, GL_RGBA, GL_UNSIGNED_BYTE, format, GL_UNSIGNED_BYTE, 0, 1);
// free(read_pixels); free(read_pixels);
// } else { } else {
// glReadPixels(0, 0, width, height, format, type, pixels);
// }
glReadPixels(0, 0, width, height, format, type, pixels); glReadPixels(0, 0, width, height, format, type, pixels);
}
// glReadPixels(0, 0, width, height, format, type, pixels);
glPixelStorei(GL_PACK_ALIGNMENT, oldPackAlignment); glPixelStorei(GL_PACK_ALIGNMENT, oldPackAlignment);
glViewport(oldViewport[0], oldViewport[1], oldViewport[2], oldViewport[3]); glViewport(oldViewport[0], oldViewport[1], oldViewport[2], oldViewport[3]);
glDeleteFramebuffers(1, &fbo); glDeleteFramebuffers(1, &fbo);