aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/main/debug.c
diff options
context:
space:
mode:
authorBrian Paul <[email protected]>2009-10-20 16:13:08 -0600
committerBrian Paul <[email protected]>2009-10-21 15:14:30 -0600
commit2cc5a0e6bb8fe2aa0733d70fec65df934b1093f6 (patch)
tree0dfcd75057eb70a185208dbeae627251a0d2e744 /src/mesa/main/debug.c
parentd364f662c685ba0f28aa865fbd7e1f0acc3c469e (diff)
mesa: added _mesa_dump_renderbuffers() debug code
Diffstat (limited to 'src/mesa/main/debug.c')
-rw-r--r--src/mesa/main/debug.c76
1 files changed, 74 insertions, 2 deletions
diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 490cc9c26b7..8b1707bab35 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -27,6 +27,7 @@
#include "attrib.h"
#include "colormac.h"
#include "context.h"
+#include "enums.h"
#include "hash.h"
#include "imports.h"
#include "debug.h"
@@ -264,10 +265,13 @@ write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
/**
- * Write level[0] image to a ppm file.
+ * Write a texture image to a ppm file.
+ * \param face cube face in [0,5]
+ * \param level mipmap level
*/
static void
-write_texture_image(struct gl_texture_object *texObj, GLuint face, GLuint level)
+write_texture_image(struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
{
struct gl_texture_image *img = texObj->Image[face][level];
if (img) {
@@ -299,6 +303,45 @@ write_texture_image(struct gl_texture_object *texObj, GLuint face, GLuint level)
}
+/**
+ * Write renderbuffer image to a ppm file.
+ */
+static void
+write_renderbuffer_image(const struct gl_renderbuffer *rb)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLubyte *buffer;
+ char s[100];
+ GLenum format, type;
+
+ if (rb->_BaseFormat == GL_RGB ||
+ rb->_BaseFormat == GL_RGBA) {
+ format = GL_RGBA;
+ type = GL_UNSIGNED_BYTE;
+ }
+ else if (rb->_BaseFormat == GL_DEPTH_STENCIL) {
+ format = GL_DEPTH_STENCIL;
+ type = GL_UNSIGNED_INT_24_8;
+ }
+ else {
+ return;
+ }
+
+ buffer = (GLubyte *) _mesa_malloc(rb->Width * rb->Height * 4);
+
+ ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height,
+ format, type, &ctx->DefaultPacking, buffer);
+
+ /* make filename */
+ _mesa_sprintf(s, "/tmp/renderbuffer%u.ppm", rb->Name);
+
+ _mesa_printf(" Writing renderbuffer image to %s\n", s);
+ write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE);
+
+ _mesa_free(buffer);
+}
+
+
static GLboolean DumpImages;
@@ -341,6 +384,35 @@ _mesa_dump_textures(GLboolean dumpImages)
}
+static void
+dump_renderbuffer_cb(GLuint id, void *data, void *userData)
+{
+ const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data;
+ (void) userData;
+
+ _mesa_printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
+ rb->Name, rb->Width, rb->Height,
+ _mesa_lookup_enum_by_nr(rb->InternalFormat));
+ if (DumpImages) {
+ write_renderbuffer_image(rb);
+ }
+}
+
+
+/**
+ * Print basic info about all renderbuffers to stdout.
+ * If dumpImages is true, write PPM of level[0] image to a file.
+ */
+void
+_mesa_dump_renderbuffers(GLboolean dumpImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DumpImages = dumpImages;
+ _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx);
+}
+
+
+
void
_mesa_dump_color_buffer(const char *filename)
{