console-gl: add opengl rendering helper functions
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
diff --git a/ui/shader.c b/ui/shader.c
index c3272d6..52a4632 100644
--- a/ui/shader.c
+++ b/ui/shader.c
@@ -29,6 +29,25 @@
/* ---------------------------------------------------------------------- */
+void qemu_gl_run_texture_blit(GLint texture_blit_prog)
+{
+ GLfloat in_position[] = {
+ -1, -1,
+ 1, -1,
+ -1, 1,
+ 1, 1,
+ };
+ GLint l_position;
+
+ glUseProgram(texture_blit_prog);
+ l_position = glGetAttribLocation(texture_blit_prog, "in_position");
+ glVertexAttribPointer(l_position, 2, GL_FLOAT, GL_FALSE, 0, in_position);
+ glEnableVertexAttribArray(l_position);
+ glDrawArrays(GL_TRIANGLE_STRIP, l_position, 4);
+}
+
+/* ---------------------------------------------------------------------- */
+
GLuint qemu_gl_create_compile_shader(GLenum type, const GLchar *src)
{
GLuint shader;
