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author | Gerd Hoffmann <kraxel@redhat.com> | 2015-01-09 11:40:23 +0100 |
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committer | Gerd Hoffmann <kraxel@redhat.com> | 2015-05-05 10:48:22 +0200 |
commit | cd2bc889e5b30c69926fc1511b6522e7cb4c705d (patch) | |
tree | 2e436873e72110ad1b22b5b4d84f409d6a05b5aa /ui/shader.c | |
parent | 985e1c9b008e5e8b6eac41546266d3abcfa6282a (diff) | |
download | hqemu-cd2bc889e5b30c69926fc1511b6522e7cb4c705d.zip hqemu-cd2bc889e5b30c69926fc1511b6522e7cb4c705d.tar.gz |
console-gl: add opengl rendering helper functions
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'ui/shader.c')
-rw-r--r-- | ui/shader.c | 19 |
1 files changed, 19 insertions, 0 deletions
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; |