Mesa (master): progs/tests: add alpha/blend testing to packedpixels.c
Brian Paul
brianp at kemper.freedesktop.org
Wed Nov 11 19:25:22 UTC 2009
Module: Mesa
Branch: master
Commit: 2ff4f5a7fe9b1ab9d46348768cc08e808f045822
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2ff4f5a7fe9b1ab9d46348768cc08e808f045822
Author: Brian Paul <brianp at vmware.com>
Date: Wed Nov 11 12:19:20 2009 -0700
progs/tests: add alpha/blend testing to packedpixels.c
---
progs/tests/packedpixels.c | 64 ++++++++++++++++++++++++++++---------------
1 files changed, 42 insertions(+), 22 deletions(-)
diff --git a/progs/tests/packedpixels.c b/progs/tests/packedpixels.c
index d318cf5..a08e7c2 100644
--- a/progs/tests/packedpixels.c
+++ b/progs/tests/packedpixels.c
@@ -17,53 +17,53 @@ struct pixel_format {
GLenum format;
GLenum type;
GLint bytes;
- GLuint redTexel, greenTexel;
+ GLuint redTexel, greenTexel; /* with approx 51% alpha, when applicable */
};
static const struct pixel_format Formats[] = {
{ "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8",
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, 0xff000000, 0x00ff0000 },
+ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, 0xff000080, 0x00ff0080 },
{ "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8_REV",
- GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x000000ff, 0x0000ff00 },
+ GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x800000ff, 0x8000ff00 },
{ "GL_RGBA/GL_UNSIGNED_INT_10_10_10_2",
- GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, 0xffc00000, 0x3ff000 },
+ GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, 0xffc00002, 0x3ff002 },
{ "GL_RGBA/GL_UNSIGNED_INT_2_10_10_10_REV",
- GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0x3ff, 0xffc00 },
+ GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0xc00003ff, 0xc00ffc00 },
{ "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4",
- GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0xf000, 0x0f00 },
+ GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0xf008, 0x0f08 },
{ "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
- GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x000f, 0x00f0 },
+ GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x800f, 0x80f0 },
{ "GL_RGBA/GL_UNSIGNED_SHORT_5_5_5_1",
- GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf800, 0x7c0 },
+ GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf801, 0x7c1 },
{ "GL_RGBA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
- GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x1f, 0x3e0 },
+ GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x801f, 0x83e0 },
{ "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8",
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, 0x0000ff00, 0x00ff0000 },
+ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, 0x0000ff80, 0x00ff0080 },
{ "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8_REV",
- GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x00ff0000, 0x0000ff00 },
+ GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x80ff0000, 0x8000ff00 },
{ "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4",
- GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x00f0, 0x0f00 },
+ GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x00f8, 0x0f08 },
{ "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
- GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x0f00, 0x00f0 },
+ GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x8f00, 0x80f0 },
{ "GL_BGRA/GL_UNSIGNED_SHORT_5_5_5_1",
- GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x3e, 0x7c0 },
+ GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x3f, 0x7c1 },
{ "GL_BGRA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
- GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x7c00, 0x3e0 },
+ GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0xfc00, 0x83e0 },
{ "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8",
- GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, 4, 0x000000ff, 0x0000ff00 },
+ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, 4, 0x800000ff, 0x8000ff00 },
{ "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8_REV",
- GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000000, 0x00ff0000 },
+ GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000080, 0x00ff0080 },
{ "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4",
- GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x000f, 0x00f0 },
+ GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x800f, 0x80f0 },
{ "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4_REV",
- GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf000, 0x0f00 },
+ GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf008, 0x0f08 },
{ "GL_ABGR_EXT/GL_UNSIGNED_SHORT_5_5_5_1",
- GL_ABGR_EXT, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x1, 0x3e },
+ GL_ABGR_EXT, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf801, 0xf83e },
{ "GL_ABGR_EXT/GL_UNSIGNED_SHORT_1_5_5_5_REV",
- GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x8000, 0x7c00 },
+ GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x800f, 0x7c0f },
{ "GL_RGB/GL_UNSIGNED_SHORT_5_6_5",
GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, 0xf800, 0x7e0 },
@@ -108,7 +108,7 @@ static const struct name_format IntFormats[] = {
static GLuint CurFormat = 0;
static GLboolean Test3D = GL_FALSE;
-
+static GLboolean Blend = GL_FALSE;
static void
@@ -234,6 +234,10 @@ Draw(void)
glEnable(GL_TEXTURE_3D);
else
glEnable(GL_TEXTURE_2D);
+
+ if (Blend)
+ glEnable(GL_BLEND);
+
glBegin(GL_POLYGON);
glTexCoord3f(0, 0, 0.5); glVertex2f(0, 0);
glTexCoord3f(1, 0, 0.5); glVertex2f(w, 0);
@@ -245,6 +249,9 @@ Draw(void)
glDisable(GL_TEXTURE_3D);
else
glDisable(GL_TEXTURE_2D);
+
+ glDisable(GL_BLEND);
+
glColor3f(0, 0, 0);
glRasterPos2i(8, 6);
PrintString(Formats[i].name);
@@ -279,6 +286,15 @@ Draw(void)
PrintString("Target [2/3]: GL_TEXTURE_2D");
glPopMatrix();
+ glPushMatrix();
+ glTranslatef(2, (i + 3) * (h + 2), 0);
+ glRasterPos2i(8, 6);
+ if (Blend)
+ PrintString("Blend: Yes");
+ else
+ PrintString("Blend: No");
+ glPopMatrix();
+
glutSwapBuffers();
}
@@ -301,6 +317,9 @@ Key(unsigned char key, int x, int y)
(void) x;
(void) y;
switch (key) {
+ case 'b':
+ Blend = !Blend;
+ break;
case 'F':
if (CurFormat == 0)
CurFormat = NUM_INT_FORMATS - 1;
@@ -336,6 +355,7 @@ Init(void)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
More information about the mesa-commit
mailing list