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-rw-r--r--progs/demos/copypix.c22
-rw-r--r--progs/demos/cubemap.c5
-rw-r--r--progs/demos/lodbias.c4
-rw-r--r--progs/fp/add-sat.txt6
-rw-r--r--progs/fp/mov-alias.txt6
-rw-r--r--progs/fp/mul-alias.txt6
-rw-r--r--progs/tests/zreaddraw.c79
7 files changed, 115 insertions, 13 deletions
diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c
index 51435acfa0..a13339ea62 100644
--- a/progs/demos/copypix.c
+++ b/progs/demos/copypix.c
@@ -26,6 +26,7 @@ static int Scissor = 0;
static float Xzoom, Yzoom;
static GLboolean DrawFront = GL_FALSE;
static GLboolean Dither = GL_TRUE;
+static GLboolean Invert = GL_FALSE;
static void Reset( void )
@@ -59,6 +60,15 @@ static void Display( void )
if (Scissor)
glEnable(GL_SCISSOR_TEST);
+ if (Invert) {
+ glPixelTransferf(GL_RED_SCALE, -1.0);
+ glPixelTransferf(GL_GREEN_SCALE, -1.0);
+ glPixelTransferf(GL_BLUE_SCALE, -1.0);
+ glPixelTransferf(GL_RED_BIAS, 1.0);
+ glPixelTransferf(GL_GREEN_BIAS, 1.0);
+ glPixelTransferf(GL_BLUE_BIAS, 1.0);
+ }
+
/* draw copy */
glPixelZoom(Xzoom, Yzoom);
glWindowPos2iARB(Xpos, Ypos);
@@ -67,6 +77,15 @@ static void Display( void )
glDisable(GL_SCISSOR_TEST);
+ if (Invert) {
+ glPixelTransferf(GL_RED_SCALE, 1.0);
+ glPixelTransferf(GL_GREEN_SCALE, 1.0);
+ glPixelTransferf(GL_BLUE_SCALE, 1.0);
+ glPixelTransferf(GL_RED_BIAS, 0.0);
+ glPixelTransferf(GL_GREEN_BIAS, 0.0);
+ glPixelTransferf(GL_BLUE_BIAS, 0.0);
+ }
+
if (DrawFront)
glFinish();
else
@@ -105,6 +124,9 @@ static void Key( unsigned char key, int x, int y )
else
glDisable(GL_DITHER);
break;
+ case 'i':
+ Invert = !Invert;
+ break;
case 's':
Scissor = !Scissor;
break;
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c
index 0df5ff09c3..015d50d86b 100644
--- a/progs/demos/cubemap.c
+++ b/progs/demos/cubemap.c
@@ -58,6 +58,7 @@ static GLint ClampIndex = 0;
static GLboolean supportFBO = GL_FALSE;
static GLboolean supportSeamless = GL_FALSE;
static GLboolean seamless = GL_FALSE;
+static GLuint TexObj = 0;
static struct {
@@ -543,6 +544,10 @@ static void init( GLboolean useImageFiles )
printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
+
+ glGenTextures(1, &TexObj);
+ glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, TexObj);
+
if (useImageFiles) {
load_envmaps();
}
diff --git a/progs/demos/lodbias.c b/progs/demos/lodbias.c
index 30b1ed13d5..8d39bd605a 100644
--- a/progs/demos/lodbias.c
+++ b/progs/demos/lodbias.c
@@ -43,6 +43,7 @@ static GLboolean Anim = GL_TRUE;
static GLint Bias = 0, BiasStepSign = +1; /* ints avoid fp precision problem */
static GLint BiasMin = -400, BiasMax = 400;
static int win = 0;
+static GLuint TexObj = 0;
static void
@@ -214,6 +215,9 @@ static void Init( void )
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glGenTextures(1, &TexObj);
+ glBindTexture(GL_TEXTURE_2D, TexObj);
+
if (glutExtensionSupported("GL_SGIS_generate_mipmap")) {
/* test auto mipmap generation */
GLint width, height, i;
diff --git a/progs/fp/add-sat.txt b/progs/fp/add-sat.txt
new file mode 100644
index 0000000000..2253efb085
--- /dev/null
+++ b/progs/fp/add-sat.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+ADD_SAT R0, R0, R0;
+MUL result.color, {0.5}.x, R0;
+END
diff --git a/progs/fp/mov-alias.txt b/progs/fp/mov-alias.txt
new file mode 100644
index 0000000000..5f04e9c76e
--- /dev/null
+++ b/progs/fp/mov-alias.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+MOV R0, R0.zyxw;
+MOV result.color, R0;
+END
diff --git a/progs/fp/mul-alias.txt b/progs/fp/mul-alias.txt
new file mode 100644
index 0000000000..cf7d359e78
--- /dev/null
+++ b/progs/fp/mul-alias.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+MOV R0, fragment.color;
+MUL R0, R0.zyxw, fragment.color;
+MOV result.color, R0;
+END
diff --git a/progs/tests/zreaddraw.c b/progs/tests/zreaddraw.c
index 8839e10836..7dfed20cfb 100644
--- a/progs/tests/zreaddraw.c
+++ b/progs/tests/zreaddraw.c
@@ -12,14 +12,17 @@
#include <GL/glut.h>
static GLint WinWidth = 500, WinHeight = 500;
+static GLboolean Invert = GL_FALSE;
+static GLboolean TestPacking = GL_FALSE;
+static GLboolean TestList = GL_FALSE;
static void Display(void)
{
- GLfloat depth[100 * 100];
- GLfloat depth2[400 * 400];
- GLfloat min, max;
- int i;
+ GLfloat depth[100 * 100 * 2];
+ GLfloat depth2[400 * 400]; /* *2 to test pixelstore stuff */
+ GLuint list;
+ GLenum depthType = GL_FLOAT;
glClearColor(0.5, 0.5, 0.5, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -35,22 +38,61 @@ static void Display(void)
glLoadIdentity();
glutSolidSphere(1.0, 20, 10);
+ if (TestPacking) {
+ glPixelStorei(GL_PACK_ROW_LENGTH, 120);
+ glPixelStorei(GL_PACK_SKIP_PIXELS, 5);
+ }
+
/* read the depth image */
- glReadPixels(0, 0, 100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth);
- min = max = depth[0];
- for (i = 1; i < 100 * 100; i++) {
- if (depth[i] < min)
- min = depth[i];
- if (depth[i] > max)
- max = depth[i];
+ glReadPixels(0, 0, 100, 100, GL_DEPTH_COMPONENT, depthType, depth);
+ if (depthType == GL_FLOAT) {
+ GLfloat min, max;
+ int i;
+ min = max = depth[0];
+ for (i = 1; i < 100 * 100; i++) {
+ if (depth[i] < min)
+ min = depth[i];
+ if (depth[i] > max)
+ max = depth[i];
+ }
+ printf("Depth value range: [%f, %f]\n", min, max);
+ }
+
+ if (TestPacking) {
+ glPixelStorei(GL_PACK_ROW_LENGTH, 0);
+ glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 120);
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, 5);
}
- printf("Depth value range: [%f, %f]\n", min, max);
/* draw depth image with scaling (into z buffer) */
glPixelZoom(4.0, 4.0);
glColor4f(1, 0, 0, 0);
glWindowPos2i(100, 0);
- glDrawPixels(100, 100, GL_DEPTH_COMPONENT, GL_FLOAT, depth);
+ if (Invert) {
+ glPixelTransferf(GL_DEPTH_SCALE, -1.0);
+ glPixelTransferf(GL_DEPTH_BIAS, 1.0);
+ }
+ if (TestList) {
+ list = glGenLists(1);
+ glNewList(list, GL_COMPILE);
+ glDrawPixels(100, 100, GL_DEPTH_COMPONENT, depthType, depth);
+ glEndList();
+ glCallList(list);
+ glDeleteLists(list, 1);
+ }
+ else {
+ glDrawPixels(100, 100, GL_DEPTH_COMPONENT, depthType, depth);
+ }
+ if (Invert) {
+ glPixelTransferf(GL_DEPTH_SCALE, 1.0);
+ glPixelTransferf(GL_DEPTH_BIAS, 0.0);
+ }
+
+ if (TestPacking) {
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+ }
glDisable(GL_DEPTH_TEST);
@@ -77,6 +119,17 @@ static void Key(unsigned char key, int x, int y)
(void) x;
(void) y;
switch (key) {
+ case 'i':
+ Invert = !Invert;
+ break;
+ case 'p':
+ TestPacking = !TestPacking;
+ printf("Test pixel pack/unpack: %d\n", TestPacking);
+ break;
+ case 'l':
+ TestList = !TestList;
+ printf("Test dlist: %d\n", TestList);
+ break;
case 27:
exit(0);
break;
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 22:53:16 +0000