static void
gen6_update_sol_surfaces(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
/* BRW_NEW_TRANSFORM_FEEDBACK */
struct gl_transform_feedback_object *xfb_obj =
ctx->TransformFeedback.CurrentObject;
const struct gl_shader_program *shaderprog;
const struct gl_transform_feedback_info *linked_xfb_info;
int i;
if (brw->geometry_program) {
/* BRW_NEW_GEOMETRY_PROGRAM */
shaderprog =
ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
} else {
/* BRW_NEW_VERTEX_PROGRAM */
shaderprog =
ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
}
linked_xfb_info = &shaderprog->LinkedTransformFeedback;
for (i = 0; i < BRW_MAX_SOL_BINDINGS; ++i) {
const int surf_index = SURF_INDEX_GEN6_SOL_BINDING(i);
if (_mesa_is_xfb_active_and_unpaused(ctx) &&
i < linked_xfb_info->NumOutputs) {
unsigned buffer = linked_xfb_info->Outputs[i].OutputBuffer;
unsigned buffer_offset =
xfb_obj->Offset[buffer] / 4 +
linked_xfb_info->Outputs[i].DstOffset;
if (brw->geometry_program) {
brw_update_sol_surface(
brw, xfb_obj->Buffers[buffer],
&brw->gs.base.surf_offset[surf_index],
linked_xfb_info->Outputs[i].NumComponents,
linked_xfb_info->Buffers[buffer].Stride, buffer_offset);
} else {
brw_update_sol_surface(
brw, xfb_obj->Buffers[buffer],
&brw->ff_gs.surf_offset[surf_index],
linked_xfb_info->Outputs[i].NumComponents,
linked_xfb_info->Buffers[buffer].Stride, buffer_offset);
}
} else {
if (!brw->geometry_program)
brw->ff_gs.surf_offset[surf_index] = 0;
else
brw->gs.base.surf_offset[surf_index] = 0;
}
}
brw->ctx.NewDriverState |= BRW_NEW_SURFACES;
}
static void
gen6_update_sol_surfaces(struct brw_context *brw)
{
struct gl_context *ctx = &brw->intel.ctx;
/* _NEW_TRANSFORM_FEEDBACK */
struct gl_transform_feedback_object *xfb_obj =
ctx->TransformFeedback.CurrentObject;
/* BRW_NEW_VERTEX_PROGRAM */
const struct gl_shader_program *shaderprog =
ctx->Shader.CurrentVertexProgram;
const struct gl_transform_feedback_info *linked_xfb_info =
&shaderprog->LinkedTransformFeedback;
int i;
for (i = 0; i < BRW_MAX_SOL_BINDINGS; ++i) {
const int surf_index = SURF_INDEX_SOL_BINDING(i);
if (xfb_obj->Active && !xfb_obj->Paused &&
i < linked_xfb_info->NumOutputs) {
unsigned buffer = linked_xfb_info->Outputs[i].OutputBuffer;
unsigned buffer_offset =
xfb_obj->Offset[buffer] / 4 +
linked_xfb_info->Outputs[i].DstOffset;
brw_update_sol_surface(
brw, xfb_obj->Buffers[buffer], &brw->gs.surf_offset[surf_index],
linked_xfb_info->Outputs[i].NumComponents,
linked_xfb_info->BufferStride[buffer], buffer_offset);
} else {
brw->gs.surf_offset[surf_index] = 0;
}
}
brw->state.dirty.brw |= BRW_NEW_SURFACES;
}
