From 68fc4b415e322f6744299e39864fbc377c6eff74 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 21 May 2010 09:32:38 -0700 Subject: Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos. The remaining programs are ones I've had difficulty finding a build environment for to make the build system or are unit tests that should probably live next to their code instead. Hopefully people can bring over the build for remaining pieces they care about. --- progs/objviewer/skybox.c | 187 ----------------------------------------------- 1 file changed, 187 deletions(-) delete mode 100644 progs/objviewer/skybox.c (limited to 'progs/objviewer/skybox.c') diff --git a/progs/objviewer/skybox.c b/progs/objviewer/skybox.c deleted file mode 100644 index 93331b9c16..0000000000 --- a/progs/objviewer/skybox.c +++ /dev/null @@ -1,187 +0,0 @@ - - -#include -#include -#include -#include -#include -#include -#include -#include "readtex.h" -#include "skybox.h" - - -static int -load(GLenum target, const char *filename, - GLboolean flipTB, GLboolean flipLR) -{ - GLint w, h; - GLenum format; - GLubyte *img = LoadRGBImage( filename, &w, &h, &format ); - if (!img) { - printf("Error: couldn't load texture image %s\n", filename); - return 0; - } - assert(format == GL_RGB); - - printf("Load cube face 0x%x: %s %d x %d\n", target, filename, w, h); - - /* the way the texture cube mapping works, we have to flip - * images to make things look right. - */ - if (flipTB) { - const int stride = 3 * w; - GLubyte temp[3*1024]; - int i; - for (i = 0; i < h / 2; i++) { - memcpy(temp, img + i * stride, stride); - memcpy(img + i * stride, img + (h - i - 1) * stride, stride); - memcpy(img + (h - i - 1) * stride, temp, stride); - } - } - if (flipLR) { - const int stride = 3 * w; - GLubyte temp[3]; - GLubyte *row; - int i, j; - for (i = 0; i < h; i++) { - row = img + i * stride; - for (j = 0; j < w / 2; j++) { - int k = w - j - 1; - temp[0] = row[j*3+0]; - temp[1] = row[j*3+1]; - temp[2] = row[j*3+2]; - row[j*3+0] = row[k*3+0]; - row[j*3+1] = row[k*3+1]; - row[j*3+2] = row[k*3+2]; - row[k*3+0] = temp[0]; - row[k*3+1] = temp[1]; - row[k*3+2] = temp[2]; - } - } - } - - gluBuild2DMipmaps(target, GL_RGB, w, h, format, GL_UNSIGNED_BYTE, img); - free(img); - return 1; -} - - -GLuint -LoadSkyBoxCubeTexture(const char *filePosX, - const char *fileNegX, - const char *filePosY, - const char *fileNegY, - const char *filePosZ, - const char *fileNegZ) -{ - GLuint tex; - - glGenTextures(1, &tex); - glBindTexture(GL_TEXTURE_CUBE_MAP, tex); - - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, - GL_LINEAR_MIPMAP_NEAREST); - - if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_X, filePosX, GL_TRUE, GL_TRUE)) - return 0; - if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, fileNegX, GL_TRUE, GL_TRUE)) - return 0; - if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, filePosY, GL_TRUE, GL_TRUE)) - return 0; - if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, fileNegY, GL_TRUE, GL_TRUE)) - return 0; - if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, filePosZ, GL_TRUE, GL_TRUE)) - return 0; - if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, fileNegZ, GL_TRUE, GL_TRUE)) - return 0; - - return tex; -} - - -#define eps1 0.99 -#define br 20.0 /* box radius */ - -void -DrawSkyBoxCubeTexture(GLuint tex) -{ - struct vertex { - float x, y, z, s, t, r; - }; - - static const struct vertex verts[24] = { - /* +X side */ - { br, -br, -br, 1.0, -eps1, -eps1 }, - { br, -br, br, 1.0, -eps1, eps1 }, - { br, br, br, 1.0, eps1, eps1 }, - { br, br, -br, 1.0, eps1, -eps1 }, - - /* -X side */ - { -br, br, -br, -1.0, eps1, -eps1 }, - { -br, br, br, -1.0, eps1, eps1 }, - { -br, -br, br, -1.0, -eps1, eps1 }, - { -br, -br, -br, -1.0, -eps1, -eps1 }, - - /* +Y side */ - { br, br, -br, eps1, 1.0, -eps1 }, - { br, br, br, eps1, 1.0, eps1 }, - { -br, br, br, -eps1, 1.0, eps1 }, - { -br, br, -br, -eps1, 1.0, -eps1 }, - - /* -Y side */ - { -br, -br, -br, -eps1, -1.0, -eps1 }, - { -br, -br, br, -eps1, -1.0, eps1 }, - { br, -br, br, eps1, -1.0, eps1 }, - { br, -br, -br, eps1, -1.0, -eps1 }, - - /* +Z side */ - { br, -br, br, eps1, -eps1, 1.0 }, - { -br, -br, br, -eps1, -eps1, 1.0 }, - { -br, br, br, -eps1, eps1, 1.0 }, - { br, br, br, eps1, eps1, 1.0 }, - - /* -Z side */ - { br, br, -br, eps1, eps1, -1.0 }, - { -br, br, -br, -eps1, eps1, -1.0 }, - { -br, -br, -br, -eps1, -eps1, -1.0 }, - { br, -br, -br, eps1, -eps1, -1.0 }, - }; - - static GLuint vbo = 0; - - if (!vbo ) { - glGenBuffersARB(1, &vbo); - glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo); - glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, - GL_STATIC_DRAW_ARB); - } - else { - glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo); - } - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); - - glVertexPointer(3, GL_FLOAT, sizeof(struct vertex), - (void *) offsetof(struct vertex, x)); - glTexCoordPointer(3, GL_FLOAT, sizeof(struct vertex), - (void *) offsetof(struct vertex, s)); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - - glBindTexture(GL_TEXTURE_CUBE_MAP, tex); - glEnable(GL_TEXTURE_CUBE_MAP); - - glDisable(GL_BLEND); - - glDrawArrays(GL_QUADS, 0, 24); - - glDisable(GL_TEXTURE_CUBE_MAP); - - glDisableClientState(GL_VERTEX_ARRAY); - glDisableClientState(GL_TEXTURE_COORD_ARRAY); - - glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); -} - -- cgit v1.2.3