OpenHarmony/third_party_mesa3d
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Implement mutex/locking around texture object reference counting.

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Use new _mesa_reference_texobj() function for referencing/unreferencing
textures.  Add new assertions/tests to try to detect invalid usage of
deleted textures.
This commit is contained in:
Brian
2007-08-13 11:29:46 +01:00
parent 6f47250888
commit 9e01b915f1
8 changed files with 184 additions and 212 deletions
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22
src/mesa/main/fbobject.c
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@@ -151,22 +151,18 @@ _mesa_remove_attachment(GLcontext *ctx, struct gl_renderbuffer_attachment *att)
{
if (att->Type == GL_TEXTURE) {
ASSERT(att->Texture);
att->Texture->RefCount--;
if (att->Texture->RefCount == 0) {
ctx->Driver.DeleteTexture(ctx, att->Texture);
if (ctx->Driver.FinishRenderTexture) {
/* tell driver we're done rendering to this texobj */
ctx->Driver.FinishRenderTexture(ctx, att);
}
else {
/* tell driver that we're done rendering to this texture. */
if (ctx->Driver.FinishRenderTexture) {
ctx->Driver.FinishRenderTexture(ctx, att);
}
}
att->Texture = NULL;
_mesa_reference_texobj(&att->Texture, NULL); /* unbind */
ASSERT(!att->Texture);
}
if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
ASSERT(att->Renderbuffer);
ASSERT(!att->Texture);
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
ASSERT(!att->Renderbuffer);
}
att->Type = GL_NONE;
att->Complete = GL_TRUE;
@@ -192,8 +188,8 @@ _mesa_set_texture_attachment(GLcontext *ctx,
/* new attachment */
_mesa_remove_attachment(ctx, att);
att->Type = GL_TEXTURE;
att->Texture = texObj;
texObj->RefCount++;
assert(!att->Texture);
_mesa_reference_texobj(&att->Texture, texObj);
}
/* always update these fields */