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opengl: add flipping vertex shader

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Add vertex shader which flips the texture upside down while blitting it.
Add argument to qemu_gl_run_texture_blit() to enable flipping.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20171010135453.6704-4-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2017-10-10 15:54:50 +02:00
parent 46e19e149f
commit 2e1d70b9e0
5 changed files with 24 additions and 6 deletions
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2
include/ui/shader.h
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@ -5,7 +5,7 @@
typedef struct QemuGLShader QemuGLShader;
void qemu_gl_run_texture_blit(QemuGLShader *gls);
void qemu_gl_run_texture_blit(QemuGLShader *gls, bool flip);
QemuGLShader *qemu_gl_init_shader(void);
void qemu_gl_fini_shader(QemuGLShader *gls);