diff options
| -rw-r--r-- | progs/egl/demo3.c | 65 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/fb/fb_egl.c | 40 |
2 files changed, 101 insertions, 4 deletions
diff --git a/progs/egl/demo3.c b/progs/egl/demo3.c index 399e3aa..f6e3bc5 100644 --- a/progs/egl/demo3.c +++ b/progs/egl/demo3.c @@ -500,6 +500,58 @@ static void Draw(EGLDisplay dpy, EGLSurface surf) } } +static void +write_ppm(const char *filename, const GLubyte *buffer, int width, int height) +{ + const int binary = 0; + FILE *f = fopen( filename, "w" ); + if (f) { + int i, x, y; + const GLubyte *ptr = buffer; + if (binary) { + fprintf(f,"P6\n"); + fprintf(f,"# ppm-file created by osdemo.c\n"); + fprintf(f,"%i %i\n", width,height); + fprintf(f,"255\n"); + fclose(f); + f = fopen( filename, "ab" ); /* reopen in binary append mode */ + for (y=height-1; y>=0; y--) { + for (x=0; x<width; x++) { + i = (y*width + x) * 4; + fputc(ptr[i], f); /* write red */ + fputc(ptr[i+1], f); /* write green */ + fputc(ptr[i+2], f); /* write blue */ + } + } + } + else { + /*ASCII*/ + int counter = 0; + fprintf(f,"P3\n"); + fprintf(f,"# ascii ppm file created by osdemo.c\n"); + fprintf(f,"%i %i\n", width, height); + fprintf(f,"255\n"); + for (y=height-1; y>=0; y--) { + for (x=0; x<width; x++) { + i = (y*width + x) * 4; + fprintf(f, " %3d %3d %3d", ptr[i], ptr[i+1], ptr[i+2]); + counter++; + if (counter % 5 == 0) + fprintf(f, "\n"); + } + } + } + fclose(f); + } +} + +#include "../src/egl/main/egldisplay.h" + +typedef struct fb_display +{ + _EGLDisplay Base; /* base class/object */ + void *pFB; +} fbDisplay; int @@ -561,9 +613,20 @@ main(int argc, char *argv[]) Reshape(1024, 768); glDrawBuffer( GL_FRONT ); + glClearColor( 0, + 1.0, + 0, + 1); - Draw(d, screen_surf); + glClear( GL_COLOR_BUFFER_BIT ); + + doubleBuffer = 1; + glDrawBuffer( GL_BACK ); + Draw(d, screen_surf); + + write_ppm("dump.ppm", ((struct fb_display *)_eglLookupDisplay(d))->pFB, 1024, 768); + eglDestroySurface(d, screen_surf); eglDestroyContext(d, ctx); eglTerminate(d); diff --git a/src/mesa/drivers/dri/fb/fb_egl.c b/src/mesa/drivers/dri/fb/fb_egl.c index 6c06c53..bdc8f71 100644 --- a/src/mesa/drivers/dri/fb/fb_egl.c +++ b/src/mesa/drivers/dri/fb/fb_egl.c @@ -202,9 +202,40 @@ fbSetupFramebuffer(fbDisplay *disp, char *fbdev) strerror(errno)); return EGL_FALSE; } + + if (fixedInfo.visual == FB_VISUAL_DIRECTCOLOR) { + struct fb_cmap cmap; + unsigned short red[256], green[256], blue[256]; + int rcols = 1 << varInfo.red.length; + int gcols = 1 << varInfo.green.length; + int bcols = 1 << varInfo.blue.length; + int i; + + cmap.start = 0; + cmap.len = gcols; + cmap.red = red; + cmap.green = green; + cmap.blue = blue; + cmap.transp = NULL; + + for (i = 0; i < rcols ; i++) + red[i] = (65536/(rcols-1)) * i; + + for (i = 0; i < gcols ; i++) + green[i] = (65536/(gcols-1)) * i; + + for (i = 0; i < bcols ; i++) + blue[i] = (65536/(bcols-1)) * i; + + if (ioctl(fd, FBIOPUTCMAP, (void *) &cmap) < 0) { + fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i); + exit(1); + } + } /* mmap the framebuffer into our address space */ - disp->pFB = (caddr_t)mmap(0, /* start */ + if (!disp->pFB) + disp->pFB = (caddr_t)mmap(0, /* start */ fixedInfo.smem_len, /* bytes */ PROT_READ | PROT_WRITE, /* prot */ MAP_SHARED, /* flags */ @@ -702,10 +733,11 @@ static EGLBoolean fbShowSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA m) { - FILE *file; - char buffer[NAME_MAX]; + fbDisplay *display = Lookup_fbDisplay(dpy); fbScreen *scrn = Lookup_fbScreen(dpy, screen); fbSurface *surf = Lookup_fbSurface(surface); + FILE *file; + char buffer[NAME_MAX]; _EGLMode *mode = _eglLookupMode(dpy, m); int bits; @@ -745,6 +777,8 @@ err: fputs(buffer, file); fclose(file); + fbSetupFramebuffer(display, scrn->fb); + snprintf(buffer, sizeof(buffer), "%s/%s/blank", sysfs, scrn->fb); file = fopen(buffer, "r+"); |