diff options
| -rw-r--r-- | src/gallium/drivers/r300/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_context.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 131 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_render_stencilref.c | 158 |
5 files changed, 164 insertions, 130 deletions
diff --git a/src/gallium/drivers/r300/Makefile b/src/gallium/drivers/r300/Makefile index edd15f6a66d..dd897f6072f 100644 --- a/src/gallium/drivers/r300/Makefile +++ b/src/gallium/drivers/r300/Makefile @@ -14,6 +14,7 @@ C_SOURCES = \ r300_hyperz.c \ r300_query.c \ r300_render.c \ + r300_render_stencilref.c \ r300_render_translate.c \ r300_resource.c \ r300_screen.c \ diff --git a/src/gallium/drivers/r300/SConscript b/src/gallium/drivers/r300/SConscript index cef49c9ed4e..ee19e9d2783 100644 --- a/src/gallium/drivers/r300/SConscript +++ b/src/gallium/drivers/r300/SConscript @@ -24,6 +24,7 @@ r300 = env.ConvenienceLibrary( 'r300_hyperz.c', 'r300_query.c', 'r300_render.c', + 'r300_render_stencilref.c', 'r300_render_translate.c', 'r300_resource.c', 'r300_screen.c', diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h index 0c5256184a5..766d09425d1 100644 --- a/src/gallium/drivers/r300/r300_context.h +++ b/src/gallium/drivers/r300/r300_context.h @@ -512,6 +512,9 @@ void r300_translate_index_buffer(struct r300_context *r300, unsigned *index_size, unsigned index_offset, unsigned *start, unsigned count); +/* r300_render_stencilref.c */ +void r300_plug_in_stencil_ref_fallback(struct r300_context *r300); + boolean r300_check_cs(struct r300_context *r300, unsigned size); void r300_finish(struct r300_context *r300); void r500_dump_rs_block(struct r300_rs_block *rs); diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index e83dbab092e..95a20c1fd4e 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); } diff --git a/src/gallium/drivers/r300/r300_render_stencilref.c b/src/gallium/drivers/r300/r300_render_stencilref.c new file mode 100644 index 00000000000..d509ded3ec8 --- /dev/null +++ b/src/gallium/drivers/r300/r300_render_stencilref.c @@ -0,0 +1,158 @@ +/* + * Copyright 2010 Marek Olšák <[email protected]> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +/** + * The two-sided stencil reference value fallback for r3xx-r4xx chips. + * These chips support two-sided stencil functions but they do not support + * a two-sided reference value. + * + * The functions below split every draw call which uses the two-sided + * reference value into two draw calls -- the first one renders front faces + * and the second renders back faces with the other reference value. + */ + +#include "r300_context.h" +#include "r300_reg.h" + +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); + } +} + +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; +} |