[Piglit] [PATCH 3/4] fbo-drawbuffers: Use clip coordinates instead of window coordinates

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

This makes the change to use shaders a bit easier.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 tests/fbo/fbo-drawbuffers.c |   12 +++---------
 1 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/tests/fbo/fbo-drawbuffers.c b/tests/fbo/fbo-drawbuffers.c
index a67c2f8..36e057c 100644
--- a/tests/fbo/fbo-drawbuffers.c
+++ b/tests/fbo/fbo-drawbuffers.c
@@ -93,7 +93,7 @@ piglit_display(void)
 	glClear(GL_COLOR_BUFFER_BIT);
 
 	glColor4fv(green);
-	piglit_draw_rect(0, 0, piglit_width, piglit_height);
+	piglit_draw_rect(-1, -1, 2, 2);
 
 	piglit_BindFramebuffer(GL_FRAMEBUFFER, 0);
 
@@ -101,13 +101,9 @@ piglit_display(void)
 	glEnable(GL_TEXTURE_2D);
 	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 	glBindTexture(GL_TEXTURE_2D, tex0);
-	piglit_draw_rect_tex(0, 0,
-			     piglit_width / 2, piglit_height,
-			     0, 0, 1, 1);
+	piglit_draw_rect_tex(-1, -1, 1, 2,  0, 0, 1, 1);
 	glBindTexture(GL_TEXTURE_2D, tex1);
-	piglit_draw_rect_tex(piglit_width / 2, 0,
-			     piglit_width, piglit_height,
-			     0, 0, 1, 1);
+	piglit_draw_rect_tex(0, -1, 1, 2, 0, 0, 1, 1);
 	glDisable(GL_TEXTURE_2D);
 	glDeleteTextures(1, &tex0);
 	glDeleteTextures(1, &tex1);
@@ -126,8 +122,6 @@ piglit_init(int argc, char **argv)
 {
 	GLint num;
 
-	piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
-
 	piglit_require_fbo();
 	piglit_require_extension("GL_ARB_draw_buffers");
 
-- 
1.7.6