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additional assertions and debug code for testing FBO completeness

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This commit is contained in:
Brian Paul
2006-03-20 15:27:55 +00:00
parent 34bd1233a9
commit 4991888fa0
1 changed files with 31 additions and 1 deletions
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32
src/mesa/main/fbobject.c
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@@ -317,18 +317,25 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
}
}
else if (att->Type == GL_RENDERBUFFER_EXT) {
if (att->Renderbuffer->Width < 1 || att->Renderbuffer->Height < 1) {
ASSERT(att->Renderbuffer);
if (!att->Renderbuffer->InternalFormat ||
att->Renderbuffer->Width < 1 ||
att->Renderbuffer->Height < 1) {
att->Complete = GL_FALSE;
return;
}
if (format == GL_COLOR) {
if (att->Renderbuffer->_BaseFormat != GL_RGB &&
att->Renderbuffer->_BaseFormat != GL_RGBA) {
ASSERT(att->Renderbuffer->RedBits);
ASSERT(att->Renderbuffer->GreenBits);
ASSERT(att->Renderbuffer->BlueBits);
att->Complete = GL_FALSE;
return;
}
}
else if (format == GL_DEPTH) {
ASSERT(att->Renderbuffer->DepthBits);
if (att->Renderbuffer->_BaseFormat == GL_DEPTH_COMPONENT) {
/* OK */
}
@@ -343,6 +350,7 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
}
else {
assert(format == GL_STENCIL);
ASSERT(att->Renderbuffer->StencilBits);
if (att->Renderbuffer->_BaseFormat == GL_STENCIL_INDEX) {
/* OK */
}
@@ -364,6 +372,18 @@ test_attachment_completeness(const GLcontext *ctx, GLenum format,
}
/**
* Helpful for debugging
*/
static void
fbo_incomplete(const char *msg, int index)
{
/*
_mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
*/
}
/**
* Test if the given framebuffer object is complete and update its
* Status field with the results.
@@ -394,6 +414,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
test_attachment_completeness(ctx, GL_DEPTH, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
fbo_incomplete("depth attachment incomplete", -1);
return;
}
}
@@ -402,6 +423,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
test_attachment_completeness(ctx, GL_STENCIL, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
fbo_incomplete("stencil attachment incomplete", -1);
return;
}
}
@@ -410,6 +432,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
test_attachment_completeness(ctx, GL_COLOR, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
fbo_incomplete("color attachment incomplete", i);
return;
}
}
@@ -424,6 +447,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
if (f != GL_RGB && f != GL_RGBA && f != GL_DEPTH_COMPONENT) {
/* XXX need GL_DEPTH_STENCIL_EXT test? */
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete("texture attachment incomplete", -1);
return;
}
}
@@ -449,10 +473,12 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
/* check that width, height, format are same */
if (w != width || h != height) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
fbo_incomplete("width or height mismatch", -1);
return;
}
if (intFormat != GL_NONE && f != intFormat) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete("format mismatch", -1);
return;
}
}
@@ -466,6 +492,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
fbo_incomplete("missing drawbuffer", i);
return;
}
}
@@ -478,6 +505,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
fbo_incomplete("missing readbuffer", -1);
return;
}
}
@@ -494,6 +522,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
struct gl_renderbuffer *rb_j = fb->Attachment[j].Renderbuffer;
if (rb_i == rb_j && rb_i->_BaseFormat != GL_DEPTH_STENCIL_EXT) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DUPLICATE_ATTACHMENT_EXT;
fbo_incomplete("multiply bound renderbuffer", -1);
return;
}
}
@@ -503,6 +532,7 @@ _mesa_test_framebuffer_completeness(GLcontext *ctx, struct gl_framebuffer *fb)
if (numImages == 0) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
fbo_incomplete("no attachments", -1);
return;
}