From cd2bc889e5b30c69926fc1511b6522e7cb4c705d Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 9 Jan 2015 11:40:23 +0100 Subject: console-gl: add opengl rendering helper functions Signed-off-by: Gerd Hoffmann Reviewed-by: Max Reitz --- ui/shader.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'ui/shader.c') diff --git a/ui/shader.c b/ui/shader.c index c3272d690b..52a4632930 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; -- cgit 1.4.1