diff options
| -rw-r--r-- | src/mesa/main/get.c | 12 | ||||
| -rw-r--r-- | src/mesa/main/samplerobj.c | 2 | ||||
| -rw-r--r-- | src/mesa/main/samplerobj.h | 2 |
3 files changed, 14 insertions, 2 deletions
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index 2399f9c9dd3..582ef319806 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -34,6 +34,7 @@ #include "state.h" #include "texcompress.h" #include "framebuffer.h" +#include "samplerobj.h" /* This is a table driven implemetation of the glGet*v() functions. * The basic idea is that most getters just look up an int somewhere @@ -827,7 +828,16 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu { struct gl_sampler_object *samp = ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler; - v->value_int = samp ? samp->Name : 0; + + /* + * The sampler object may have been deleted on another context, + * so we try to lookup the sampler object before returning its Name. + */ + if (samp && _mesa_lookup_samplerobj(ctx, samp->Name)) { + v->value_int = samp->Name; + } else { + v->value_int = 0; + } } break; /* GL_ARB_uniform_buffer_object */ diff --git a/src/mesa/main/samplerobj.c b/src/mesa/main/samplerobj.c index 4664cc34053..5cff329367b 100644 --- a/src/mesa/main/samplerobj.c +++ b/src/mesa/main/samplerobj.c @@ -40,7 +40,7 @@ #include "main/samplerobj.h" -static struct gl_sampler_object * +struct gl_sampler_object * _mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name) { if (name == 0) diff --git a/src/mesa/main/samplerobj.h b/src/mesa/main/samplerobj.h index 311425701d0..69e389949d8 100644 --- a/src/mesa/main/samplerobj.h +++ b/src/mesa/main/samplerobj.h @@ -62,6 +62,8 @@ _mesa_reference_sampler_object(struct gl_context *ctx, _mesa_reference_sampler_object_(ctx, ptr, samp); } +extern struct gl_sampler_object * +_mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name); extern struct gl_sampler_object * _mesa_new_sampler_object(struct gl_context *ctx, GLuint name); |