diff options
-rw-r--r-- | src/mesa/main/mtypes.h | 6 | ||||
-rw-r--r-- | src/mesa/main/transformfeedback.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 9df165403bd..b9625e8e72b 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1718,6 +1718,12 @@ struct gl_transform_feedback_object GLboolean EverBound; /**< Has this object been bound? */ /** + * The shader program active when BeginTransformFeedback() was called. + * When active and unpaused, this equals ctx->Shader.CurrentVertexProgram. + */ + struct gl_shader_program *shader_program; + + /** * GLES: if Active is true, remaining number of primitives which can be * rendered without overflow. This is necessary to track because GLES * requires us to generate INVALID_OPERATION if a call to glDrawArrays or diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c index eca0e5f55c9..c2c14a1d339 100644 --- a/src/mesa/main/transformfeedback.c +++ b/src/mesa/main/transformfeedback.c @@ -406,6 +406,8 @@ _mesa_BeginTransformFeedback(GLenum mode) obj->GlesRemainingPrims = max_vertices / vertices_per_prim; } + obj->shader_program = ctx->Shader.CurrentVertexProgram; + assert(ctx->Driver.BeginTransformFeedback); ctx->Driver.BeginTransformFeedback(ctx, mode, obj); } |