From d6782712a14985d292f060d1fa1684b1dc2c02cd Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Tue, 10 Nov 2015 21:33:52 -0800 Subject: [PATCH] meta/generate_mipmap: Save and restore the sampler using gl_sampler_object instead of GL API object handle Some meta operations can be called recursively. Future changes (the "Don't pollute the ... namespace" changes) will cause objects with invalid names to be used. If a nested meta operation tries to restore an object named 0xDEADBEEF, it will fail. Signed-off-by: Ian Romanick Reviewed-by: Jason Ekstrand --- src/mesa/drivers/common/meta_generate_mipmap.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/src/mesa/drivers/common/meta_generate_mipmap.c b/src/mesa/drivers/common/meta_generate_mipmap.c index d95ebcc..5ccc1d4 100644 --- a/src/mesa/drivers/common/meta_generate_mipmap.c +++ b/src/mesa/drivers/common/meta_generate_mipmap.c @@ -185,7 +185,7 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, ctx->Extensions.ARB_fragment_shader; GLenum faceTarget; GLuint dstLevel; - GLuint samplerSave; + struct gl_sampler_object *samp_obj_save = NULL; GLint swizzle[4]; GLboolean swizzleSaved = GL_FALSE; @@ -216,8 +216,8 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, _mesa_set_enable(ctx, target, GL_TRUE); } - samplerSave = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler ? - ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0; + _mesa_reference_sampler_object(ctx, &samp_obj_save, + ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler); /* We may have been called from glGenerateTextureMipmap with CurrentUnit * still set to 0, so we don't know when we can skip binding the texture. @@ -375,7 +375,8 @@ _mesa_meta_GenerateMipmap(struct gl_context *ctx, GLenum target, _mesa_lock_texture(ctx, texObj); /* relock */ - _mesa_BindSampler(ctx->Texture.CurrentUnit, samplerSave); + _mesa_bind_sampler(ctx, ctx->Texture.CurrentUnit, samp_obj_save); + _mesa_reference_sampler_object(ctx, &samp_obj_save, NULL); _mesa_meta_end(ctx); -- 2.7.4