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-rw-r--r--progs/demos/gltestperf.c580
1 files changed, 580 insertions, 0 deletions
diff --git a/progs/demos/gltestperf.c b/progs/demos/gltestperf.c
new file mode 100644
index 00000000000..2df168ba54d
--- /dev/null
+++ b/progs/demos/gltestperf.c
@@ -0,0 +1,580 @@
+/*
+ * This program is under the GNU GPL.
+ * Use at your own risk.
+ *
+ * written by David Bucciarelli ([email protected])
+ * Humanware s.r.l.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+typedef struct
+{
+ char *name;
+ char *unit;
+ void (*init) (void);
+ int (*run) (int, int);
+ int type;
+ int numsize;
+ int size[10];
+}
+benchmark;
+
+static int frontbuffer = 1;
+
+/***************************************************************************/
+
+static void
+init_test01(void)
+{
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_FLAT);
+ glDisable(GL_DEPTH_TEST);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ glColor3f(1.0, 0.0, 0.0);
+}
+
+static int
+test01(int size, int num)
+{
+ int x, y;
+
+ glBegin(GL_POINTS);
+ for (y = 0; y < num; y++)
+ for (x = 0; x < 480; x++)
+ glVertex2i(x, x);
+ glEnd();
+
+ return 480 * num;
+}
+
+/***************************************************************************/
+
+static void
+init_test02(void)
+{
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_SMOOTH);
+ glDisable(GL_DEPTH_TEST);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+}
+
+static int
+test02(int size, int num)
+{
+ int x, y;
+
+ glBegin(GL_LINES);
+ for (y = 0; y < num; y++)
+ for (x = 0; x < size; x++) {
+ glColor3f(0.0, 1.0, y / (float) num);
+ glVertex2i(0, size - 1);
+ glColor3f(1.0, 0.0, x / (float) size);
+ glVertex2i(x, x);
+ }
+ glEnd();
+
+ return num * size;
+}
+
+/***************************************************************************/
+
+static void
+init_test03(void)
+{
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-0.5, 639.5, -0.5, 479.5, 1.0, -1000.0 * 480.0);
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test03(int size, int num)
+{
+ int x, y, z;
+
+ glBegin(GL_TRIANGLES);
+ for (y = 0; y < num; y++)
+ for (x = 0; x < size; x += 5) {
+ z = num * size - (y * size + x);
+ glColor3f(0.0, 1.0, 0.0);
+ glVertex3i(0, x, z);
+
+ glColor3f(1.0, 0.0, x / (float) size);
+ glVertex3i(size - 1 - x, 0, z);
+
+ glColor3f(1.0, x / (float) size, 0.0);
+ glVertex3i(x, size - 1 - x, z);
+ }
+ glEnd();
+
+ return size * num / 5;
+}
+
+/***************************************************************************/
+
+static void
+init_test04(void)
+{
+ int x, y;
+ GLubyte tex[128 * 128 * 3];
+ GLenum gluerr;
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-0.5, 639.5, -0.5, 479.5, 1.0, -1000.0 * 480.0);
+
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ for (y = 0; y < 128; y++)
+ for (x = 0; x < 128; x++) {
+ tex[(x + y * 128) * 3 + 0] = ((x % (128 / 4)) < (128 / 8)) ? 255 : 0;
+ tex[(x + y * 128) * 3 + 1] = ((y % (128 / 4)) < (128 / 8)) ? 255 : 0;
+ tex[(x + y * 128) * 3 + 2] = x;
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 128, 128, GL_RGB,
+ GL_UNSIGNED_BYTE, (GLvoid *) (&tex[0])))) {
+ fprintf(stderr, "GLULib%s\n", gluErrorString(gluerr));
+ exit(-1);
+ }
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_LINEAR_MIPMAP_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glEnable(GL_TEXTURE_2D);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test04(int size, int num)
+{
+ int x, y, z;
+
+ glBegin(GL_TRIANGLES);
+ for (y = 0; y < num; y++)
+ for (x = 0; x < size; x += 5) {
+ z = num * size - (y * size + x);
+ glTexCoord2f(1.0, 1.0);
+ glColor3f(1.0, 0.0, 0.0);
+ glVertex3i(0, x, z);
+
+ glTexCoord2f(0.0, 1.0);
+ glColor3f(0.0, 1.0, 0.0);
+ glVertex3i(size - 1 - x, 0, z);
+
+ glTexCoord2f(1.0, 0.0);
+ glColor3f(0.0, 0.0, 1.0);
+ glVertex3i(x, size - 1 - x, z);
+ }
+ glEnd();
+
+ return num * size / 5;
+}
+
+/***************************************************************************/
+
+static void
+init_test05(void)
+{
+ int x, y;
+ GLubyte tex[128 * 128 * 3];
+ GLenum gluerr;
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-0.5, 639.5, -0.5, 479.5, -1.0, 1.0);
+
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ for (y = 0; y < 128; y++)
+ for (x = 0; x < 128; x++) {
+ tex[(x + y * 128) * 3 + 0] = ((x % (128 / 4)) < (128 / 8)) ? 255 : 0;
+ tex[(x + y * 128) * 3 + 1] = ((y % (128 / 4)) < (128 / 8)) ? 255 : 0;
+ tex[(x + y * 128) * 3 + 2] = x;
+ }
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ if ((gluerr = gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 128, 128, GL_RGB,
+ GL_UNSIGNED_BYTE, (GLvoid *) (&tex[0])))) {
+ fprintf(stderr, "GLULib%s\n", gluErrorString(gluerr));
+ exit(-1);
+ }
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_LINEAR_MIPMAP_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glEnable(GL_TEXTURE_2D);
+
+ glDepthFunc(GL_ALWAYS);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test05(int size, int num)
+{
+ int y;
+ float v0[3], v1[3], v2[3], v3[3];
+ float cv0[3], cv1[3], cv2[3], cv3[3];
+ float tv0[3], tv1[3], tv2[3], tv3[3];
+
+ v0[0] = 320 - size / 2;
+ v0[1] = 240 - size / 2;
+ v0[2] = 0.0;
+ v1[0] = 320 + size / 2;
+ v1[1] = 240 - size / 2;
+ v1[2] = 0.0;
+ v2[0] = 320 - size / 2;
+ v2[1] = 240 + size / 2;
+ v2[2] = 0.0;
+ v3[0] = 320 + size / 2;
+ v3[1] = 240 + size / 2;
+ v3[2] = 0.0;
+ cv0[0] = 1.0;
+ cv0[1] = 0.0;
+ cv0[2] = 0.0;
+ cv1[0] = 1.0;
+ cv1[1] = 1.0;
+ cv1[2] = 0.0;
+ cv2[0] = 1.0;
+ cv2[1] = 0.0;
+ cv2[2] = 1.0;
+ cv3[0] = 1.0;
+ cv3[1] = 1.0;
+ cv3[2] = 1.0;
+ tv0[0] = 0.0;
+ tv0[1] = 0.0;
+ tv0[2] = 0.0;
+ tv1[0] = 1.0;
+ tv1[1] = 0.0;
+ tv1[2] = 0.0;
+ tv2[0] = 0.0;
+ tv2[1] = 1.0;
+ tv2[2] = 0.0;
+ tv3[0] = 1.0;
+ tv3[1] = 1.0;
+ tv3[2] = 0.0;
+
+ glBegin(GL_TRIANGLE_STRIP);
+ for (y = 0; y < num; y++) {
+ glColor3fv(cv0);
+ glTexCoord2fv(tv0);
+ glVertex3fv(v0);
+
+ glColor3fv(cv1);
+ glTexCoord2fv(tv1);
+ glVertex3fv(v1);
+
+ glColor3fv(cv2);
+ glTexCoord2fv(tv2);
+ glVertex3fv(v2);
+
+ glColor3fv(cv3);
+ glTexCoord2fv(tv3);
+ glVertex3fv(v3);
+ }
+ glEnd();
+
+ return 4 * num - 2;
+}
+
+/***************************************************************************/
+
+static void
+init_test06(void)
+{
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluOrtho2D(-0.5, 639.5, -0.5, 479.5);
+ glMatrixMode(GL_MODELVIEW);
+
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_DEPTH_TEST);
+
+ glClearColor(0.0, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+}
+
+static int
+test06(int size, int num)
+{
+ int y;
+
+ for (y = 0; y < num; y++) {
+ glClearColor(y / (float) num, 0.1, 1.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ }
+
+ return num;
+}
+
+/***************************************************************************/
+
+#define BMARKS_TIME 5.0
+
+#define NUM_BMARKS 6
+
+/* 554 ~= sqrt(640*480) */
+
+static benchmark bmarks[NUM_BMARKS] = {
+ {"Simple Points", "Pnts", init_test01, test01, 0, 0,
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}},
+ {"Smooth Lines", "Lins", init_test02, test02, 1, 5,
+ {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+ {"ZSmooth Triangles", "Tris", init_test03, test03, 1, 5,
+ {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+ {"ZSmooth Tex Blend Triangles", "Tris", init_test04, test04, 1, 5,
+ {480, 250, 100, 50, 25, 0, 0, 0, 0, 0}},
+ {"ZSmooth Tex Blend TMesh Triangles", "Tris", init_test05, test05, 2, 8,
+ {400, 250, 100, 50, 25, 10, 5, 2, 0, 0}},
+ {"Color/Depth Buffer Clears", "Clrs", init_test06, test06, 3, 0,
+ {554, 0, 0, 0, 0, 0, 0, 0, 0, 0}}
+};
+
+/***************************************************************************/
+
+static void
+dotest0param(benchmark * bmark)
+{
+ float stime, etime, dtime, tottime, maxtime, mintime;
+ int num, numelem, calibnum, j;
+
+ glPushAttrib(GL_ALL_ATTRIB_BITS);
+ bmark->init();
+
+ stime = glutGet(GLUT_ELAPSED_TIME);
+
+ dtime = 0.0;
+ calibnum = 0;
+ while (dtime < 2.0) {
+ bmark->run(0, 1);
+ glFinish();
+ etime = glutGet(GLUT_ELAPSED_TIME);
+ dtime = (etime - stime) / 1000.0;
+ calibnum++;
+ }
+ glPopAttrib();
+
+ fprintf(stderr, "Elapsed time for the calibration test (%d): %f\n",
+ calibnum, dtime);
+
+ num = (int) ((BMARKS_TIME / dtime) * calibnum);
+
+ if (num < 1)
+ num = 1;
+
+ fprintf(stderr, "Selected number of benchmark iterations: %d\n", num);
+
+ mintime = HUGE_VAL;
+ maxtime = -HUGE_VAL;
+
+ for (tottime = 0.0, j = 0; j < 5; j++) {
+ glPushAttrib(GL_ALL_ATTRIB_BITS);
+ bmark->init();
+
+ stime = glutGet(GLUT_ELAPSED_TIME);
+ numelem = bmark->run(0, num);
+ glFinish();
+ etime = glutGet(GLUT_ELAPSED_TIME);
+
+ glPopAttrib();
+
+ dtime = (etime - stime) / 1000.0;
+ tottime += dtime;
+
+ fprintf(stderr, "Elapsed time for run %d: %f\n", j, dtime);
+
+ if (dtime < mintime)
+ mintime = dtime;
+ if (dtime > maxtime)
+ maxtime = dtime;
+ }
+
+ tottime -= mintime + maxtime;
+
+ fprintf(stdout, "%s\n%f %s/sec", bmark->name, numelem / (tottime / 3.0),
+ bmark->unit);
+
+ if (bmark->type == 3)
+ fprintf(stdout, ", MPixel Fill/sec: %f\n\n",
+ (numelem * bmark->size[0] * (float) bmark->size[0]) /
+ (1000000.0 * tottime / 3.0));
+ else
+ fprintf(stdout, "\n\n");
+}
+
+/***************************************************************************/
+
+static void
+dotest1param(benchmark * bmark)
+{
+ float stime, etime, dtime, tottime, maxtime, mintime;
+ int num, numelem, calibnum, j, k;
+
+ fprintf(stdout, "%s\n", bmark->name);
+
+ for (j = 0; j < bmark->numsize; j++) {
+ fprintf(stderr, "Current size: %d\n", bmark->size[j]);
+
+ glPushAttrib(GL_ALL_ATTRIB_BITS);
+ bmark->init();
+
+ stime = glutGet(GLUT_ELAPSED_TIME);
+
+ dtime = 0.0;
+ calibnum = 0;
+ while (dtime < 2.0) {
+ bmark->run(bmark->size[j], 1);
+ glFinish();
+ etime = glutGet(GLUT_ELAPSED_TIME);
+ dtime = (etime - stime) / 1000.0;
+ calibnum++;
+ }
+ glPopAttrib();
+
+ fprintf(stderr, "Elapsed time for the calibration test (%d): %f\n",
+ calibnum, dtime);
+
+ num = (int) ((BMARKS_TIME / dtime) * calibnum);
+
+ if (num < 1)
+ num = 1;
+
+ fprintf(stderr, "Selected number of benchmark iterations: %d\n", num);
+
+ mintime = HUGE_VAL;
+ maxtime = -HUGE_VAL;
+
+ for (numelem = 1, tottime = 0.0, k = 0; k < 5; k++) {
+ glPushAttrib(GL_ALL_ATTRIB_BITS);
+ bmark->init();
+
+ stime = glutGet(GLUT_ELAPSED_TIME);
+ numelem = bmark->run(bmark->size[j], num);
+ glFinish();
+ etime = glutGet(GLUT_ELAPSED_TIME);
+
+ glPopAttrib();
+
+ dtime = (etime - stime) / 1000.0;
+ tottime += dtime;
+
+ fprintf(stderr, "Elapsed time for run %d: %f\n", k, dtime);
+
+ if (dtime < mintime)
+ mintime = dtime;
+ if (dtime > maxtime)
+ maxtime = dtime;
+ }
+
+ tottime -= mintime + maxtime;
+
+ fprintf(stdout, "SIZE=%03d => %f %s/sec", bmark->size[j],
+ numelem / (tottime / 3.0), bmark->unit);
+ if (bmark->type == 2)
+ fprintf(stdout, ", MPixel Fill/sec: %f\n",
+ (numelem * bmark->size[j] * bmark->size[j] / 2) /
+ (1000000.0 * tottime / 3.0));
+ else
+ fprintf(stdout, "\n");
+ }
+
+ fprintf(stdout, "\n\n");
+}
+
+/***************************************************************************/
+
+static void
+display(void)
+{
+ int i;
+
+ if (frontbuffer)
+ glDrawBuffer(GL_FRONT);
+ else
+ glDrawBuffer(GL_BACK);
+
+ for (i = 0; i < NUM_BMARKS; i++) {
+ fprintf(stderr, "Benchmark: %d\n", i);
+
+ switch (bmarks[i].type) {
+ case 0:
+ case 3:
+ dotest0param(&bmarks[i]);
+ break;
+ case 1:
+ case 2:
+ dotest1param(&bmarks[i]);
+ break;
+ }
+ }
+
+ exit(0);
+}
+
+int
+main(int ac, char **av)
+{
+ fprintf(stderr, "GLTest v1.0\nWritten by David Bucciarelli\n");
+
+ if (ac == 2)
+ frontbuffer = 0;
+
+ glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize(640, 480);
+ glutCreateWindow("OpenGL/Mesa Performances");
+ glutDisplayFunc(display);
+ glutMainLoop();
+
+ return 0;
+}
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