diff options
author | David Nusinow <[email protected]> | 2006-10-14 22:42:57 +0000 |
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committer | David Nusinow <[email protected]> | 2006-10-14 22:42:57 +0000 |
commit | 75733e42375e74d990afd2432e3072bc1586305b (patch) | |
tree | 794bc9de497c0befbe4b9b664e7a9fd7c3d6b416 /progs/tests/packedpixels.c | |
parent | bc8084da742c20531bb2f935afad522e22381832 (diff) |
Commit diff of 6.5.1-0.2 so we've got a record of it here.mesa-6.5.1-0.2
Diffstat (limited to 'progs/tests/packedpixels.c')
-rw-r--r-- | progs/tests/packedpixels.c | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/progs/tests/packedpixels.c b/progs/tests/packedpixels.c deleted file mode 100644 index 67ffe088259..00000000000 --- a/progs/tests/packedpixels.c +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Test packed pixel formats for textures. - * Brian Paul - * 12 May 2004 - */ - -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> -#include <GL/glut.h> - - -struct pixel_format { - const char *name; - GLenum format; - GLenum type; - GLint bytes; - GLuint redTexel, greenTexel; -}; - -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_REV", - GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x000000ff, 0x0000ff00 }, - { "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_2_10_10_10_REV", - GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0x3ff, 0xffc00 }, - { "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_REV", - GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x000f, 0x00f0 }, - { "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_1_5_5_5_REV", - GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x1f, 0x3e0 }, - - { "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_REV", - GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x00ff0000, 0x0000ff00 }, - { "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_REV", - GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x0f00, 0x00f0 }, - { "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_1_5_5_5_REV", - GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x7c00, 0x3e0 }, - - { "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_REV", - GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000000, 0x00ff0000 }, - { "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_REV", - GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf000, 0x0f00 }, - { "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_1_5_5_5_REV", - GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x8000, 0x7c00 }, - - { "GL_RGB/GL_UNSIGNED_SHORT_5_6_5", - GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, 0xf800, 0x7e0 }, - { "GL_RGB/GL_UNSIGNED_SHORT_5_6_5_REV", - GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, 2, 0x1f, 0x7e0 }, - { "GL_RGB/GL_UNSIGNED_BYTE_3_3_2", - GL_RGB, GL_UNSIGNED_BYTE_3_3_2, 1, 0xe0, 0x1c }, - { "GL_RGB/GL_UNSIGNED_BYTE_2_3_3_REV", - GL_RGB, GL_UNSIGNED_BYTE_2_3_3_REV, 1, 0x7, 0x38 }, - - { NULL, 0, 0, 0, 0, 0 } -}; - - -struct name_format { - const char *name; - GLenum format; -}; - -static const struct name_format IntFormats[] = { - { "GL_RGBA", GL_RGBA }, - { "GL_RGBA2", GL_RGBA2 }, - { "GL_RGBA4", GL_RGBA4 }, - { "GL_RGB5_A1", GL_RGB5_A1 }, - { "GL_RGBA8", GL_RGBA8 }, - { "GL_RGBA12", GL_RGBA12 }, - { "GL_RGBA16", GL_RGBA16 }, - { "GL_RGB10_A2", GL_RGB10_A2 }, - - { "GL_RGB", GL_RGB }, - { "GL_R3_G3_B2", GL_R3_G3_B2 }, - { "GL_RGB4", GL_RGB4 }, - { "GL_RGB5", GL_RGB5 }, - { "GL_RGB8", GL_RGB8 }, - { "GL_RGB10", GL_RGB10 }, - { "GL_RGB12", GL_RGB12 }, - { "GL_RGB16", GL_RGB16 }, - -}; - -#define NUM_INT_FORMATS (sizeof(IntFormats) / sizeof(IntFormats[0])) -static GLuint CurFormat = 0; - -static GLboolean Test3D = GL_FALSE; - - - -static void -PrintString(const char *s) -{ - while (*s) { - glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s); - s++; - } -} - - -static void -MakeTexture(const struct pixel_format *format, GLenum intFormat, GLboolean swap) -{ - GLubyte texBuffer[1000]; - int i; - - glPixelStorei(GL_UNPACK_SWAP_BYTES, swap); - - if (format->bytes == 1) { - for (i = 0; i < 8; i++) { - texBuffer[i] = format->redTexel; - } - for (i = 8; i < 16; i++) { - texBuffer[i] = format->greenTexel; - } - } - else if (format->bytes == 2) { - GLushort *us = (GLushort *) texBuffer; - for (i = 0; i < 8; i++) { - us[i] = format->redTexel; - } - for (i = 8; i < 16; i++) { - us[i] = format->greenTexel; - } - if (swap) { - for (i = 0; i < 16; i++) - us[i] = (us[i] << 8) | (us[i] >> 8); - } - } - else if (format->bytes == 4) { - GLuint *ui = (GLuint *) texBuffer; - for (i = 0; i < 8; i++) { - ui[i] = format->redTexel; - } - for (i = 8; i < 16; i++) { - ui[i] = format->greenTexel; - } - if (swap) { - for (i = 0; i < 16; i++) { - GLuint b = ui[i]; - ui[i] = (b >> 24) - | ((b >> 8) & 0xff00) - | ((b << 8) & 0xff0000) - | ((b << 24) & 0xff000000); - } - } - } - else { - abort(); - } - - if (Test3D) { - /* 4 x 4 x 4 texture, undefined data */ - glTexImage3D(GL_TEXTURE_3D, 0, intFormat, 4, 4, 4, 0, - format->format, format->type, NULL); - /* fill in Z=1 and Z=2 slices with the real texture data */ - glTexSubImage3D(GL_TEXTURE_3D, 0, - 0, 0, 1, /* offset */ - 4, 4, 1, /* size */ - format->format, format->type, texBuffer); - glTexSubImage3D(GL_TEXTURE_3D, 0, - 0, 0, 2, /* offset */ - 4, 4, 1, /* size */ - format->format, format->type, texBuffer); - } - else { - glTexImage2D(GL_TEXTURE_2D, 0, intFormat, 4, 4, 0, - format->format, format->type, texBuffer); - } - - if (glGetError()) { - printf("GL Error for %s\n", format->name); - memset(texBuffer, 255, 1000); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, - GL_RGB, GL_UNSIGNED_BYTE, texBuffer); - } -} - - - -static void -Draw(void) -{ - char s[1000]; - int w = 350, h = 20; - int i, swap; - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - for (swap = 0; swap < 2; swap++) { - for (i = 0; Formats[i].name; i++) { - glPushMatrix(); - glTranslatef(swap * (w + 2), i * (h + 2), 0); - - MakeTexture(Formats + i, IntFormats[CurFormat].format, swap); - - if (Test3D) - glEnable(GL_TEXTURE_3D); - else - glEnable(GL_TEXTURE_2D); - glBegin(GL_POLYGON); - glTexCoord3f(0, 0, 0.5); glVertex2f(0, 0); - glTexCoord3f(1, 0, 0.5); glVertex2f(w, 0); - glTexCoord3f(1, 1, 0.5); glVertex2f(w, h); - glTexCoord3f(0, 1, 0.5); glVertex2f(0, h); - glEnd(); - - if (Test3D) - glDisable(GL_TEXTURE_3D); - else - glDisable(GL_TEXTURE_2D); - glColor3f(0, 0, 0); - glRasterPos2i(8, 6); - PrintString(Formats[i].name); - - glPopMatrix(); - } - } - - glPushMatrix(); - glTranslatef(2, i * (h + 2), 0); - glColor3f(1, 1, 1); - glRasterPos2i(8, 6); - PrintString("Normal"); - glRasterPos2i(w + 2, 6); - PrintString("Byte Swapped"); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(2, (i + 1) * (h + 2), 0); - glRasterPos2i(8, 6); - sprintf(s, "Internal Texture Format [f/F]: %s (%d of %d)", - IntFormats[CurFormat].name, CurFormat + 1, NUM_INT_FORMATS); - PrintString(s); - glPopMatrix(); - - glPushMatrix(); - glTranslatef(2, (i + 2) * (h + 2), 0); - glRasterPos2i(8, 6); - if (Test3D) - PrintString("Target [2/3]: GL_TEXTURE_3D"); - else - PrintString("Target [2/3]: GL_TEXTURE_2D"); - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void -Reshape(int width, int height) -{ - glViewport(0, 0, width, height); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(0, width, 0, height, -1, 1); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -} - - -static void -Key(unsigned char key, int x, int y) -{ - (void) x; - (void) y; - switch (key) { - case 'F': - if (CurFormat == 0) - CurFormat = NUM_INT_FORMATS - 1; - else - CurFormat--; - break; - case 'f': - CurFormat++; - if (CurFormat == NUM_INT_FORMATS) - CurFormat = 0; - break; - case '2': - Test3D = GL_FALSE; - break; - case '3': - Test3D = GL_TRUE; - break; - case 27: - exit(0); - break; - } - glutPostRedisplay(); -} - - -static void -Init(void) -{ - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - 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); -} - - -int -main(int argc, char *argv[]) -{ - glutInit(&argc, argv); - glutInitWindowPosition(0, 0); - glutInitWindowSize(700, 800); - glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH); - glutCreateWindow(argv[0]); - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(Draw); - Init(); - glutMainLoop(); - return 0; -} |