diff options
author | Eric Anholt <[email protected]> | 2010-05-21 09:32:38 -0700 |
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committer | Eric Anholt <[email protected]> | 2010-05-21 12:20:39 -0700 |
commit | 68fc4b415e322f6744299e39864fbc377c6eff74 (patch) | |
tree | 4bafffd8b0105174f3c5c0ae327a005be9145990 /progs/trivial/tri-fbo-tex.c | |
parent | e4f4489e3fc0b36d72821b55794fb843b2b7fa5f (diff) |
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.
Diffstat (limited to 'progs/trivial/tri-fbo-tex.c')
-rw-r--r-- | progs/trivial/tri-fbo-tex.c | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/progs/trivial/tri-fbo-tex.c b/progs/trivial/tri-fbo-tex.c deleted file mode 100644 index eacb7d577be..00000000000 --- a/progs/trivial/tri-fbo-tex.c +++ /dev/null @@ -1,255 +0,0 @@ -/* Framebuffer object test */ - - -#include <GL/glew.h> -#include <GL/glut.h> -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> - -/* For debug */ - - -static int Win = 0; -static int Width = 512, Height = 512; - -static GLenum TexTarget = GL_TEXTURE_2D; -static int TexWidth = 512, TexHeight = 512; - -static GLuint MyFB; -static GLuint TexObj; -static GLboolean Anim = GL_FALSE; -static GLfloat Rot = 0.0; -static GLuint TextureLevel = 0; /* which texture level to render to */ -static GLenum TexIntFormat = GL_RGB; /* either GL_RGB or GL_RGBA */ - - -static void -CheckError(int line) -{ - GLenum err = glGetError(); - if (err) { - printf("GL Error 0x%x at line %d\n", (int) err, line); - } -} - - -static void -Idle(void) -{ - Rot = glutGet(GLUT_ELAPSED_TIME) * 0.1; - glutPostRedisplay(); -} - - -static void -RenderTexture(void) -{ - GLenum status; - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0.0, 0.0, -15.0); - - if (1) { - /* draw to texture image */ - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB); - - status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); - if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { - printf("Framebuffer incomplete!!!\n"); - } - - glViewport(0, 0, TexWidth, TexHeight); - - glClearColor(0.5, 0.5, 1.0, 0.0); - glClear(GL_COLOR_BUFFER_BIT); - - CheckError(__LINE__); - - glBegin(GL_POLYGON); - glColor3f(1, 0, 0); - glVertex2f(-1, -1); - glColor3f(0, 1, 0); - glVertex2f(1, -1); - glColor3f(0, 0, 1); - glVertex2f(0, 1); - glEnd(); - - /* Bind normal framebuffer */ - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - } - else { - } - - CheckError(__LINE__); -} - - - -static void -Display(void) -{ - float ar = (float) Width / (float) Height; - - RenderTexture(); - - /* draw textured quad in the window */ - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0.0, 0.0, -7.0); - - glViewport(0, 0, Width, Height); - - glClearColor(0.25, 0.25, 0.25, 0); - glClear(GL_COLOR_BUFFER_BIT); - - glPushMatrix(); - glRotatef(Rot, 0, 1, 0); - glEnable(TexTarget); - glBindTexture(TexTarget, TexObj); - - { - glBegin(GL_POLYGON); - glColor3f(0.25, 0.25, 0.25); - glTexCoord2f(0, 0); - glVertex2f(-1, -1); - glTexCoord2f(1, 0); - glVertex2f(1, -1); - glColor3f(1.0, 1.0, 1.0); - glTexCoord2f(1, 1); - glVertex2f(1, 1); - glTexCoord2f(0, 1); - glVertex2f(-1, 1); - glEnd(); - } - - glPopMatrix(); - glDisable(TexTarget); - - glutSwapBuffers(); - CheckError(__LINE__); -} - - -static void -Reshape(int width, int height) -{ - glViewport(0, 0, width, height); - Width = width; - Height = height; -} - - -static void -CleanUp(void) -{ - glDeleteFramebuffersEXT(1, &MyFB); - - glDeleteTextures(1, &TexObj); - - glutDestroyWindow(Win); - - exit(0); -} - - -static void -Key(unsigned char key, int x, int y) -{ - (void) x; - (void) y; - switch (key) { - case 'a': - Anim = !Anim; - if (Anim) - glutIdleFunc(Idle); - else - glutIdleFunc(NULL); - break; - case 's': - Rot += 2.0; - break; - case 27: - CleanUp(); - break; - } - glutPostRedisplay(); -} - - -static void -Init(int argc, char *argv[]) -{ - if (!glutExtensionSupported("GL_EXT_framebuffer_object")) { - printf("GL_EXT_framebuffer_object not found!\n"); - exit(0); - } - - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - - - /* Make texture object/image */ - glGenTextures(1, &TexObj); - glBindTexture(TexTarget, TexObj); - glTexParameteri(TexTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(TexTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(TexTarget, GL_TEXTURE_BASE_LEVEL, TextureLevel); - glTexParameteri(TexTarget, GL_TEXTURE_MAX_LEVEL, TextureLevel); - - glTexImage2D(TexTarget, 0, TexIntFormat, TexWidth, TexHeight, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); - - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - - - - /* gen framebuffer id, delete it, do some assertions, just for testing */ - glGenFramebuffersEXT(1, &MyFB); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB); - assert(glIsFramebufferEXT(MyFB)); - - - CheckError(__LINE__); - - /* Render color to texture */ - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - TexTarget, TexObj, TextureLevel); - - - - CheckError(__LINE__); - - /* bind regular framebuffer */ - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - - -} - - -int -main(int argc, char *argv[]) -{ - glutInit(&argc, argv); - glutInitWindowPosition(0, 0); - glutInitWindowSize(Width, Height); - glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); - Win = glutCreateWindow(argv[0]); - glewInit(); - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(Display); - if (Anim) - glutIdleFunc(Idle); - Init(argc, argv); - glutMainLoop(); - return 0; -} |