From cb17f5ee752d07d82e9b079c6bda9d89e51c7108 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sat, 12 Jun 2010 21:30:37 +0200 Subject: r300g: move two-sided stencilref fallback to its own file --- src/gallium/drivers/r300/r300_render.c | 131 +-------------------------------- 1 file changed, 1 insertion(+), 130 deletions(-) (limited to 'src/gallium/drivers/r300/r300_render.c') diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index e83dbab092..95a20c1fd4 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -1013,135 +1013,6 @@ struct draw_stage* r300_draw_stage(struct r300_context* r300) return stage; } -/**************************************************************************** - * Two-sided stencil reference value fallback. It's designed to be as much - * separate from rest of the driver as possible. - ***************************************************************************/ - -struct r300_stencilref_context { - void (*draw_arrays)(struct pipe_context *pipe, - unsigned mode, unsigned start, unsigned count); - - void (*draw_range_elements)( - struct pipe_context *pipe, struct pipe_resource *indexBuffer, - unsigned indexSize, int indexBias, unsigned minIndex, unsigned maxIndex, - unsigned mode, unsigned start, unsigned count); - - uint32_t rs_cull_mode; - uint32_t zb_stencilrefmask; - ubyte ref_value_front; -}; - -static boolean r300_stencilref_needed(struct r300_context *r300) -{ - struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; - - return dsa->two_sided_stencil_ref || - (dsa->two_sided && - r300->stencil_ref.ref_value[0] != r300->stencil_ref.ref_value[1]); -} - -/* Set drawing for front faces. */ -static void r300_stencilref_begin(struct r300_context *r300) -{ - struct r300_stencilref_context *sr = r300->stencilref_fallback; - struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; - struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; - - /* Save state. */ - sr->rs_cull_mode = rs->cull_mode; - sr->zb_stencilrefmask = dsa->stencil_ref_mask; - sr->ref_value_front = r300->stencil_ref.ref_value[0]; - - /* We *cull* pixels, therefore no need to mask out the bits. */ - rs->cull_mode |= R300_CULL_BACK; - - r300->rs_state.dirty = TRUE; -} - -/* Set drawing for back faces. */ -static void r300_stencilref_switch_side(struct r300_context *r300) -{ - struct r300_stencilref_context *sr = r300->stencilref_fallback; - struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; - struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; - - rs->cull_mode = sr->rs_cull_mode | R300_CULL_FRONT; - dsa->stencil_ref_mask = dsa->stencil_ref_bf; - r300->stencil_ref.ref_value[0] = r300->stencil_ref.ref_value[1]; - - r300->rs_state.dirty = TRUE; - r300->dsa_state.dirty = TRUE; -} - -/* Restore the original state. */ -static void r300_stencilref_end(struct r300_context *r300) -{ - struct r300_stencilref_context *sr = r300->stencilref_fallback; - struct r300_rs_state *rs = (struct r300_rs_state*)r300->rs_state.state; - struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state; - - /* Restore state. */ - rs->cull_mode = sr->rs_cull_mode; - dsa->stencil_ref_mask = sr->zb_stencilrefmask; - r300->stencil_ref.ref_value[0] = sr->ref_value_front; - - r300->rs_state.dirty = TRUE; - r300->dsa_state.dirty = TRUE; -} - -static void r300_stencilref_draw_arrays(struct pipe_context *pipe, unsigned mode, - unsigned start, unsigned count) -{ - struct r300_context *r300 = r300_context(pipe); - struct r300_stencilref_context *sr = r300->stencilref_fallback; - - if (!r300_stencilref_needed(r300)) { - sr->draw_arrays(pipe, mode, start, count); - } else { - r300_stencilref_begin(r300); - sr->draw_arrays(pipe, mode, start, count); - r300_stencilref_switch_side(r300); - sr->draw_arrays(pipe, mode, start, count); - r300_stencilref_end(r300); - } -} - -static void r300_stencilref_draw_range_elements( - struct pipe_context *pipe, struct pipe_resource *indexBuffer, - unsigned indexSize, int indexBias, unsigned minIndex, unsigned maxIndex, - unsigned mode, unsigned start, unsigned count) -{ - struct r300_context *r300 = r300_context(pipe); - struct r300_stencilref_context *sr = r300->stencilref_fallback; - - if (!r300_stencilref_needed(r300)) { - sr->draw_range_elements(pipe, indexBuffer, indexSize, indexBias, - minIndex, maxIndex, mode, start, count); - } else { - r300_stencilref_begin(r300); - sr->draw_range_elements(pipe, indexBuffer, indexSize, indexBias, - minIndex, maxIndex, mode, start, count); - r300_stencilref_switch_side(r300); - sr->draw_range_elements(pipe, indexBuffer, indexSize, indexBias, - minIndex, maxIndex, mode, start, count); - r300_stencilref_end(r300); - } -} - -static void r300_plug_in_stencil_ref_fallback(struct r300_context *r300) -{ - r300->stencilref_fallback = CALLOC_STRUCT(r300_stencilref_context); - - /* Save original draw functions. */ - r300->stencilref_fallback->draw_arrays = r300->context.draw_arrays; - r300->stencilref_fallback->draw_range_elements = r300->context.draw_range_elements; - - /* Override the draw functions. */ - r300->context.draw_arrays = r300_stencilref_draw_arrays; - r300->context.draw_range_elements = r300_stencilref_draw_range_elements; -} - void r300_init_render_functions(struct r300_context *r300) { /* Set generic functions. */ @@ -1156,7 +1027,7 @@ void r300_init_render_functions(struct r300_context *r300) r300->context.draw_range_elements = r300_swtcl_draw_range_elements; } - /* Plug in two-sided stencil reference value fallback if needed. */ + /* Plug in the two-sided stencil reference value fallback if needed. */ if (!r300->screen->caps.is_r500) r300_plug_in_stencil_ref_fallback(r300); } -- cgit v1.2.3