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console-gl: add opengl rendering helper functions

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-01-09 11:40:23 +01:00
parent 985e1c9b00
commit cd2bc889e5
9 changed files with 247 additions and 1 deletions
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19
ui/shader.c
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@ -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;