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authorBrian Paul <[email protected]>2009-02-07 11:49:52 -0700
committerBrian Paul <[email protected]>2009-02-07 11:49:52 -0700
commit266fe93a87d5c0c21e9e7960699104e0e8bd54b4 (patch)
treeb790a4b6a14775f87a2232336c165739dc58bc39 /src/mesa
parent671fed4d0191734babfe28c7729f2e7cfa7ad8d7 (diff)
mesa: debug code for printing info about textures, writing teximages to disk
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/main/debug.c99
-rw-r--r--src/mesa/main/debug.h3
2 files changed, 102 insertions, 0 deletions
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 65970a53a94..90a3bf1f046 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -24,9 +24,13 @@
#include "mtypes.h"
#include "context.h"
+#include "hash.h"
#include "imports.h"
#include "debug.h"
#include "get.h"
+#include "texobj.h"
+#include "texformat.h"
+
/**
* Primitive names
@@ -219,3 +223,98 @@ _mesa_init_debug( GLcontext *ctx )
add_debug_flags(c);
}
+
+/*
+ * Write ppm file
+ */
+static void
+write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
+ int comps, int rcomp, int gcomp, int bcomp)
+{
+ FILE *f = fopen( filename, "w" );
+ if (f) {
+ int i, x, y;
+ const GLubyte *ptr = buffer;
+ 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) * comps;
+ fputc(ptr[i+rcomp], f); /* write red */
+ fputc(ptr[i+gcomp], f); /* write green */
+ fputc(ptr[i+bcomp], f); /* write blue */
+ }
+ }
+ fclose(f);
+ }
+}
+
+
+/**
+ * Write level[0] image to a ppm file.
+ */
+static void
+write_texture_image(struct gl_texture_object *texObj)
+{
+ const struct gl_texture_image *img = texObj->Image[0][0];
+ if (img) {
+ char s[100];
+
+ /* make filename */
+ sprintf(s, "/tmp/teximage%u.ppm", texObj->Name);
+
+ switch (img->TexFormat->MesaFormat) {
+ case MESA_FORMAT_RGBA8888:
+ write_ppm(s, img->Data, img->Width, img->Height, 4, 3, 2, 1);
+ break;
+ case MESA_FORMAT_ARGB8888:
+ write_ppm(s, img->Data, img->Width, img->Height, 4, 2, 1, 0);
+ break;
+ default:
+ printf("XXXX unsupported mesa tex format %d in %s\n",
+ img->TexFormat->MesaFormat, __FUNCTION__);
+ }
+ }
+}
+
+
+static GLboolean DumpImages;
+
+
+static void
+dump_texture_cb(GLuint id, void *data, void *userData)
+{
+ struct gl_texture_object *texObj = (struct gl_texture_object *) data;
+ (void) userData;
+ int i;
+
+ printf("Texture %u\n", texObj->Name);
+ printf(" Target 0x%x\n", texObj->Target);
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ struct gl_texture_image *texImg = texObj->Image[0][i];
+ if (texImg) {
+ printf(" Image %u: %d x %d x %d at %p\n", i,
+ texImg->Width, texImg->Height, texImg->Depth, texImg->Data);
+ if (DumpImages && i == 0) {
+ write_texture_image(texObj);
+ }
+ }
+ }
+}
+
+
+/**
+ * Print basic info about all texture objext to stdout.
+ * If dumpImages is true, write PPM of level[0] image to a file.
+ */
+void
+_mesa_dump_textures(GLboolean dumpImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DumpImages = dumpImages;
+ _mesa_HashDeleteAll(ctx->Shared->TexObjects, dump_texture_cb, ctx);
+}
diff --git a/src/mesa/main/debug.h b/src/mesa/main/debug.h
index 94d99c384bd..1862ec75b7b 100644
--- a/src/mesa/main/debug.h
+++ b/src/mesa/main/debug.h
@@ -57,4 +57,7 @@ extern void _mesa_init_debug( GLcontext *ctx );
#endif
+extern void
+_mesa_dump_textures(GLboolean dumpImages);
+
#endif