1573 lines
56 KiB
C
1573 lines
56 KiB
C
/*
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* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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* Copyright 2009 Marek Olšák <maraeo@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#include "draw/draw_context.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "util/u_pack_color.h"
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#include "tgsi/tgsi_parse.h"
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#include "pipe/p_config.h"
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#include "r300_context.h"
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#include "r300_emit.h"
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#include "r300_reg.h"
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#include "r300_screen.h"
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#include "r300_screen_buffer.h"
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#include "r300_state.h"
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#include "r300_state_inlines.h"
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#include "r300_fs.h"
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#include "r300_texture.h"
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#include "r300_vs.h"
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#include "r300_winsys.h"
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/* r300_state: Functions used to intialize state context by translating
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* Gallium state objects into semi-native r300 state objects. */
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#define UPDATE_STATE(cso, atom) \
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if (cso != atom.state) { \
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atom.state = cso; \
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atom.dirty = TRUE; \
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}
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static boolean blend_discard_if_src_alpha_0(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_ALPHA == 0, and the following state is set, the colorbuffer
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* will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
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srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
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srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
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srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ONE);
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}
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static boolean blend_discard_if_src_alpha_1(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_ALPHA == 1, and the following state is set, the colorbuffer
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* will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ONE);
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}
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static boolean blend_discard_if_src_color_0(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer
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* will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_ONE);
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}
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static boolean blend_discard_if_src_color_1(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer
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* will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_ONE);
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}
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static boolean blend_discard_if_src_alpha_color_0(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set,
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* the colorbuffer will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_SRC_COLOR ||
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srcA == PIPE_BLENDFACTOR_SRC_ALPHA ||
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srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE ||
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srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ONE);
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}
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static boolean blend_discard_if_src_alpha_color_1(unsigned srcRGB, unsigned srcA,
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unsigned dstRGB, unsigned dstA)
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{
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/* If the blend equation is ADD or REVERSE_SUBTRACT,
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* SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set,
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* the colorbuffer will not be changed.
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* Notice that the dst factors are the src factors inverted. */
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return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_ZERO) &&
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(srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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srcA == PIPE_BLENDFACTOR_ZERO) &&
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(dstRGB == PIPE_BLENDFACTOR_SRC_COLOR ||
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dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ONE) &&
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(dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ONE);
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}
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static unsigned bgra_cmask(unsigned mask)
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{
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/* Gallium uses RGBA color ordering while R300 expects BGRA. */
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return ((mask & PIPE_MASK_R) << 2) |
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((mask & PIPE_MASK_B) >> 2) |
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(mask & (PIPE_MASK_G | PIPE_MASK_A));
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}
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/* Create a new blend state based on the CSO blend state.
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*
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* This encompasses alpha blending, logic/raster ops, and blend dithering. */
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static void* r300_create_blend_state(struct pipe_context* pipe,
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const struct pipe_blend_state* state)
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{
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struct r300_screen* r300screen = r300_screen(pipe->screen);
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struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state);
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if (state->rt[0].blend_enable)
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{
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unsigned eqRGB = state->rt[0].rgb_func;
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unsigned srcRGB = state->rt[0].rgb_src_factor;
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unsigned dstRGB = state->rt[0].rgb_dst_factor;
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unsigned eqA = state->rt[0].alpha_func;
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unsigned srcA = state->rt[0].alpha_src_factor;
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unsigned dstA = state->rt[0].alpha_dst_factor;
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/* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha,
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* this is just the crappy D3D naming */
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blend->blend_control = R300_ALPHA_BLEND_ENABLE |
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r300_translate_blend_function(eqRGB) |
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( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) |
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( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT);
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/* Optimization: some operations do not require the destination color.
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*
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* When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled,
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* otherwise blending gives incorrect results. It seems to be
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* a hardware bug. */
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if (eqRGB == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MIN ||
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eqRGB == PIPE_BLEND_MAX || eqA == PIPE_BLEND_MAX ||
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dstRGB != PIPE_BLENDFACTOR_ZERO ||
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dstA != PIPE_BLENDFACTOR_ZERO ||
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srcRGB == PIPE_BLENDFACTOR_DST_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_DST_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_INV_DST_COLOR ||
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srcRGB == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
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srcA == PIPE_BLENDFACTOR_DST_COLOR ||
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srcA == PIPE_BLENDFACTOR_DST_ALPHA ||
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srcA == PIPE_BLENDFACTOR_INV_DST_COLOR ||
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srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA ||
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srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) {
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/* Enable reading from the colorbuffer. */
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blend->blend_control |= R300_READ_ENABLE;
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if (r300screen->caps.is_r500) {
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/* Optimization: Depending on incoming pixels, we can
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* conditionally disable the reading in hardware... */
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if (eqRGB != PIPE_BLEND_MIN && eqA != PIPE_BLEND_MIN &&
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eqRGB != PIPE_BLEND_MAX && eqA != PIPE_BLEND_MAX) {
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/* Disable reading if SRC_ALPHA == 0. */
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if ((dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ZERO) &&
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(dstA == PIPE_BLENDFACTOR_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ZERO)) {
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blend->blend_control |= R500_SRC_ALPHA_0_NO_READ;
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}
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/* Disable reading if SRC_ALPHA == 1. */
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if ((dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstRGB == PIPE_BLENDFACTOR_ZERO) &&
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(dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR ||
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dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA ||
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dstA == PIPE_BLENDFACTOR_ZERO)) {
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blend->blend_control |= R500_SRC_ALPHA_1_NO_READ;
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}
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}
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}
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}
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/* Optimization: discard pixels which don't change the colorbuffer.
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*
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* The code below is non-trivial and some math is involved.
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*
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* Discarding pixels must be disabled when FP16 AA is enabled.
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* This is a hardware bug. Also, this implementation wouldn't work
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* with FP blending enabled and equation clamping disabled.
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*
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* Equations other than ADD are rarely used and therefore won't be
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* optimized. */
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if ((eqRGB == PIPE_BLEND_ADD || eqRGB == PIPE_BLEND_REVERSE_SUBTRACT) &&
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(eqA == PIPE_BLEND_ADD || eqA == PIPE_BLEND_REVERSE_SUBTRACT)) {
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/* ADD: X+Y
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* REVERSE_SUBTRACT: Y-X
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*
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* The idea is:
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* If X = src*srcFactor = 0 and Y = dst*dstFactor = 1,
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* then CB will not be changed.
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*
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* Given the srcFactor and dstFactor variables, we can derive
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* what src and dst should be equal to and discard appropriate
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* pixels.
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*/
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if (blend_discard_if_src_alpha_0(srcRGB, srcA, dstRGB, dstA)) {
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blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0;
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} else if (blend_discard_if_src_alpha_1(srcRGB, srcA,
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dstRGB, dstA)) {
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blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1;
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} else if (blend_discard_if_src_color_0(srcRGB, srcA,
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dstRGB, dstA)) {
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blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0;
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} else if (blend_discard_if_src_color_1(srcRGB, srcA,
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dstRGB, dstA)) {
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blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1;
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} else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA,
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dstRGB, dstA)) {
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blend->blend_control |=
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R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0;
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} else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA,
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dstRGB, dstA)) {
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blend->blend_control |=
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R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1;
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}
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}
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/* separate alpha */
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if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) {
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blend->blend_control |= R300_SEPARATE_ALPHA_ENABLE;
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blend->alpha_blend_control =
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r300_translate_blend_function(eqA) |
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(r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) |
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(r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT);
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}
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}
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/* PIPE_LOGICOP_* don't need to be translated, fortunately. */
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if (state->logicop_enable) {
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blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE |
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(state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT;
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}
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/* Color channel masks for all MRTs. */
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blend->color_channel_mask = bgra_cmask(state->rt[0].colormask);
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if (r300screen->caps.is_r500 && state->independent_blend_enable) {
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if (state->rt[1].blend_enable) {
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blend->color_channel_mask |= bgra_cmask(state->rt[1].colormask) << 4;
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}
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if (state->rt[2].blend_enable) {
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blend->color_channel_mask |= bgra_cmask(state->rt[2].colormask) << 8;
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}
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if (state->rt[3].blend_enable) {
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blend->color_channel_mask |= bgra_cmask(state->rt[3].colormask) << 12;
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}
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}
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/* Neither fglrx nor classic r300 ever set this, regardless of dithering
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* state. Since it's an optional implementation detail, we can leave it
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* out and never dither.
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*
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* This could be revisited if we ever get quality or conformance hints.
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*
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if (state->dither) {
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blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT |
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R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT;
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}
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*/
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return (void*)blend;
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}
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/* Bind blend state. */
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static void r300_bind_blend_state(struct pipe_context* pipe,
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void* state)
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{
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struct r300_context* r300 = r300_context(pipe);
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UPDATE_STATE(state, r300->blend_state);
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}
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/* Free blend state. */
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static void r300_delete_blend_state(struct pipe_context* pipe,
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void* state)
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{
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FREE(state);
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}
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/* Convert float to 10bit integer */
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static unsigned float_to_fixed10(float f)
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{
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return CLAMP((unsigned)(f * 1023.9f), 0, 1023);
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}
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/* Set blend color.
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* Setup both R300 and R500 registers, figure out later which one to write. */
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static void r300_set_blend_color(struct pipe_context* pipe,
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const struct pipe_blend_color* color)
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{
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struct r300_context* r300 = r300_context(pipe);
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struct r300_blend_color_state* state =
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(struct r300_blend_color_state*)r300->blend_color_state.state;
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union util_color uc;
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util_pack_color(color->color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
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state->blend_color = uc.ui;
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/* XXX if FP16 blending is enabled, we should use the FP16 format */
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state->blend_color_red_alpha =
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float_to_fixed10(color->color[0]) |
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(float_to_fixed10(color->color[3]) << 16);
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state->blend_color_green_blue =
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float_to_fixed10(color->color[2]) |
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(float_to_fixed10(color->color[1]) << 16);
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r300->blend_color_state.size = r300->screen->caps.is_r500 ? 3 : 2;
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r300->blend_color_state.dirty = TRUE;
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}
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static void r300_set_clip_state(struct pipe_context* pipe,
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const struct pipe_clip_state* state)
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{
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struct r300_context* r300 = r300_context(pipe);
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r300->clip = *state;
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if (r300->screen->caps.has_tcl) {
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memcpy(r300->clip_state.state, state, sizeof(struct pipe_clip_state));
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r300->clip_state.size = 29;
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} else {
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draw_flush(r300->draw);
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draw_set_clip_state(r300->draw, state);
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r300->clip_state.size = 2;
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}
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r300->clip_state.dirty = TRUE;
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}
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/* Create a new depth, stencil, and alpha state based on the CSO dsa state.
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*
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* This contains the depth buffer, stencil buffer, alpha test, and such.
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* On the Radeon, depth and stencil buffer setup are intertwined, which is
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* the reason for some of the strange-looking assignments across registers. */
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static void*
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r300_create_dsa_state(struct pipe_context* pipe,
|
|
const struct pipe_depth_stencil_alpha_state* state)
|
|
{
|
|
struct r300_capabilities *caps = &r300_screen(pipe->screen)->caps;
|
|
struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state);
|
|
|
|
/* Depth test setup. */
|
|
if (state->depth.enabled) {
|
|
dsa->z_buffer_control |= R300_Z_ENABLE;
|
|
|
|
if (state->depth.writemask) {
|
|
dsa->z_buffer_control |= R300_Z_WRITE_ENABLE;
|
|
}
|
|
|
|
dsa->z_stencil_control |=
|
|
(r300_translate_depth_stencil_function(state->depth.func) <<
|
|
R300_Z_FUNC_SHIFT);
|
|
}
|
|
|
|
/* Stencil buffer setup. */
|
|
if (state->stencil[0].enabled) {
|
|
dsa->z_buffer_control |= R300_STENCIL_ENABLE;
|
|
dsa->z_stencil_control |=
|
|
(r300_translate_depth_stencil_function(state->stencil[0].func) <<
|
|
R300_S_FRONT_FUNC_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[0].fail_op) <<
|
|
R300_S_FRONT_SFAIL_OP_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[0].zpass_op) <<
|
|
R300_S_FRONT_ZPASS_OP_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[0].zfail_op) <<
|
|
R300_S_FRONT_ZFAIL_OP_SHIFT);
|
|
|
|
dsa->stencil_ref_mask =
|
|
(state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) |
|
|
(state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT);
|
|
|
|
if (state->stencil[1].enabled) {
|
|
dsa->two_sided = TRUE;
|
|
|
|
dsa->z_buffer_control |= R300_STENCIL_FRONT_BACK;
|
|
dsa->z_stencil_control |=
|
|
(r300_translate_depth_stencil_function(state->stencil[1].func) <<
|
|
R300_S_BACK_FUNC_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[1].fail_op) <<
|
|
R300_S_BACK_SFAIL_OP_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[1].zpass_op) <<
|
|
R300_S_BACK_ZPASS_OP_SHIFT) |
|
|
(r300_translate_stencil_op(state->stencil[1].zfail_op) <<
|
|
R300_S_BACK_ZFAIL_OP_SHIFT);
|
|
|
|
dsa->stencil_ref_bf =
|
|
(state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) |
|
|
(state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT);
|
|
|
|
if (caps->is_r500) {
|
|
dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK;
|
|
} else {
|
|
dsa->stencil_ref_bf_fallback =
|
|
(state->stencil[0].valuemask != state->stencil[1].valuemask ||
|
|
state->stencil[0].writemask != state->stencil[1].writemask);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Alpha test setup. */
|
|
if (state->alpha.enabled) {
|
|
dsa->alpha_function =
|
|
r300_translate_alpha_function(state->alpha.func) |
|
|
R300_FG_ALPHA_FUNC_ENABLE;
|
|
|
|
/* We could use 10bit alpha ref but who needs that? */
|
|
dsa->alpha_function |= float_to_ubyte(state->alpha.ref_value);
|
|
|
|
if (caps->is_r500)
|
|
dsa->alpha_function |= R500_FG_ALPHA_FUNC_8BIT;
|
|
}
|
|
|
|
return (void*)dsa;
|
|
}
|
|
|
|
static void r300_update_stencil_ref_fallback_status(struct r300_context *r300)
|
|
{
|
|
struct r300_dsa_state *dsa = (struct r300_dsa_state*)r300->dsa_state.state;
|
|
|
|
if (r300->screen->caps.is_r500) {
|
|
return;
|
|
}
|
|
|
|
r300->stencil_ref_bf_fallback =
|
|
dsa->stencil_ref_bf_fallback ||
|
|
(dsa->two_sided &&
|
|
r300->stencil_ref.ref_value[0] != r300->stencil_ref.ref_value[1]);
|
|
}
|
|
|
|
/* Bind DSA state. */
|
|
static void r300_bind_dsa_state(struct pipe_context* pipe,
|
|
void* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
|
|
if (!state) {
|
|
return;
|
|
}
|
|
|
|
UPDATE_STATE(state, r300->dsa_state);
|
|
|
|
r300_update_stencil_ref_fallback_status(r300);
|
|
}
|
|
|
|
/* Free DSA state. */
|
|
static void r300_delete_dsa_state(struct pipe_context* pipe,
|
|
void* state)
|
|
{
|
|
FREE(state);
|
|
}
|
|
|
|
static void r300_set_stencil_ref(struct pipe_context* pipe,
|
|
const struct pipe_stencil_ref* sr)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
|
|
r300->stencil_ref = *sr;
|
|
r300->dsa_state.dirty = TRUE;
|
|
|
|
r300_update_stencil_ref_fallback_status(r300);
|
|
}
|
|
|
|
/* This switcheroo is needed just because of goddamned MACRO_SWITCH. */
|
|
static void r300_fb_set_tiling_flags(struct r300_context *r300,
|
|
const struct pipe_framebuffer_state *old_state,
|
|
const struct pipe_framebuffer_state *new_state)
|
|
{
|
|
struct r300_texture *tex;
|
|
unsigned i, level;
|
|
|
|
/* Set tiling flags for new surfaces. */
|
|
for (i = 0; i < new_state->nr_cbufs; i++) {
|
|
tex = r300_texture(new_state->cbufs[i]->texture);
|
|
level = new_state->cbufs[i]->level;
|
|
|
|
r300->rws->buffer_set_tiling(r300->rws, tex->buffer,
|
|
tex->pitch[0],
|
|
tex->microtile,
|
|
tex->mip_macrotile[level]);
|
|
}
|
|
if (new_state->zsbuf) {
|
|
tex = r300_texture(new_state->zsbuf->texture);
|
|
level = new_state->zsbuf->level;
|
|
|
|
r300->rws->buffer_set_tiling(r300->rws, tex->buffer,
|
|
tex->pitch[0],
|
|
tex->microtile,
|
|
tex->mip_macrotile[level]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
r300_set_framebuffer_state(struct pipe_context* pipe,
|
|
const struct pipe_framebuffer_state* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct pipe_framebuffer_state *old_state = r300->fb_state.state;
|
|
unsigned max_width, max_height;
|
|
uint32_t zbuffer_bpp = 0;
|
|
|
|
if (state->nr_cbufs > 4) {
|
|
fprintf(stderr, "r300: Implementation error: Too many MRTs in %s, "
|
|
"refusing to bind framebuffer state!\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
if (r300->screen->caps.is_r500) {
|
|
max_width = max_height = 4096;
|
|
} else if (r300->screen->caps.is_r400) {
|
|
max_width = max_height = 4021;
|
|
} else {
|
|
max_width = max_height = 2560;
|
|
}
|
|
|
|
if (state->width > max_width || state->height > max_height) {
|
|
fprintf(stderr, "r300: Implementation error: Render targets are too "
|
|
"big in %s, refusing to bind framebuffer state!\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
if (r300->draw) {
|
|
draw_flush(r300->draw);
|
|
}
|
|
|
|
r300->fb_state.dirty = TRUE;
|
|
|
|
/* If nr_cbufs is changed from zero to non-zero or vice versa... */
|
|
if (!!old_state->nr_cbufs != !!state->nr_cbufs) {
|
|
r300->blend_state.dirty = TRUE;
|
|
}
|
|
/* If zsbuf is set from NULL to non-NULL or vice versa.. */
|
|
if (!!old_state->zsbuf != !!state->zsbuf) {
|
|
r300->dsa_state.dirty = TRUE;
|
|
}
|
|
|
|
/* The tiling flags are dependent on the surface miplevel, unfortunately. */
|
|
r300_fb_set_tiling_flags(r300, r300->fb_state.state, state);
|
|
|
|
memcpy(r300->fb_state.state, state, sizeof(struct pipe_framebuffer_state));
|
|
|
|
r300->fb_state.size = (10 * state->nr_cbufs) + (2 * (4 - state->nr_cbufs)) +
|
|
(state->zsbuf ? 10 : 0) + 9;
|
|
|
|
/* Polygon offset depends on the zbuffer bit depth. */
|
|
if (state->zsbuf && r300->polygon_offset_enabled) {
|
|
switch (util_format_get_blocksize(state->zsbuf->texture->format)) {
|
|
case 2:
|
|
zbuffer_bpp = 16;
|
|
break;
|
|
case 4:
|
|
zbuffer_bpp = 24;
|
|
break;
|
|
}
|
|
|
|
if (r300->zbuffer_bpp != zbuffer_bpp) {
|
|
r300->zbuffer_bpp = zbuffer_bpp;
|
|
r300->rs_state.dirty = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Create fragment shader state. */
|
|
static void* r300_create_fs_state(struct pipe_context* pipe,
|
|
const struct pipe_shader_state* shader)
|
|
{
|
|
struct r300_fragment_shader* fs = NULL;
|
|
|
|
fs = (struct r300_fragment_shader*)CALLOC_STRUCT(r300_fragment_shader);
|
|
|
|
/* Copy state directly into shader. */
|
|
fs->state = *shader;
|
|
fs->state.tokens = tgsi_dup_tokens(shader->tokens);
|
|
|
|
return (void*)fs;
|
|
}
|
|
|
|
void r300_mark_fs_code_dirty(struct r300_context *r300)
|
|
{
|
|
struct r300_fragment_shader* fs = r300_fs(r300);
|
|
|
|
r300->fs.dirty = TRUE;
|
|
r300->fs_rc_constant_state.dirty = TRUE;
|
|
r300->fs_constants.dirty = TRUE;
|
|
|
|
if (r300->screen->caps.is_r500) {
|
|
r300->fs.size = r500_get_fs_atom_size(r300);
|
|
r300->fs_rc_constant_state.size = fs->shader->rc_state_count * 7;
|
|
r300->fs_constants.size = fs->shader->externals_count * 4 + 3;
|
|
} else {
|
|
r300->fs.size = r300_get_fs_atom_size(r300);
|
|
r300->fs_rc_constant_state.size = fs->shader->rc_state_count * 5;
|
|
r300->fs_constants.size = fs->shader->externals_count * 4 + 1;
|
|
}
|
|
}
|
|
|
|
/* Bind fragment shader state. */
|
|
static void r300_bind_fs_state(struct pipe_context* pipe, void* shader)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
|
|
|
|
if (fs == NULL) {
|
|
r300->fs.state = NULL;
|
|
return;
|
|
}
|
|
|
|
r300->fs.state = fs;
|
|
r300_pick_fragment_shader(r300);
|
|
r300_mark_fs_code_dirty(r300);
|
|
|
|
r300->rs_block_state.dirty = TRUE; /* Will be updated before the emission. */
|
|
}
|
|
|
|
/* Delete fragment shader state. */
|
|
static void r300_delete_fs_state(struct pipe_context* pipe, void* shader)
|
|
{
|
|
struct r300_fragment_shader* fs = (struct r300_fragment_shader*)shader;
|
|
struct r300_fragment_shader_code *tmp, *ptr = fs->first;
|
|
|
|
while (ptr) {
|
|
tmp = ptr;
|
|
ptr = ptr->next;
|
|
rc_constants_destroy(&tmp->code.constants);
|
|
FREE(tmp);
|
|
}
|
|
FREE((void*)fs->state.tokens);
|
|
FREE(shader);
|
|
}
|
|
|
|
static void r300_set_polygon_stipple(struct pipe_context* pipe,
|
|
const struct pipe_poly_stipple* state)
|
|
{
|
|
/* XXX no idea how to set this up, but not terribly important */
|
|
}
|
|
|
|
/* Create a new rasterizer state based on the CSO rasterizer state.
|
|
*
|
|
* This is a very large chunk of state, and covers most of the graphics
|
|
* backend (GB), geometry assembly (GA), and setup unit (SU) blocks.
|
|
*
|
|
* In a not entirely unironic sidenote, this state has nearly nothing to do
|
|
* with the actual block on the Radeon called the rasterizer (RS). */
|
|
static void* r300_create_rs_state(struct pipe_context* pipe,
|
|
const struct pipe_rasterizer_state* state)
|
|
{
|
|
struct r300_rs_state* rs = CALLOC_STRUCT(r300_rs_state);
|
|
int i;
|
|
float psiz;
|
|
|
|
/* Copy rasterizer state for Draw. */
|
|
rs->rs = *state;
|
|
|
|
#ifdef PIPE_ARCH_LITTLE_ENDIAN
|
|
rs->vap_control_status = R300_VC_NO_SWAP;
|
|
#else
|
|
rs->vap_control_status = R300_VC_32BIT_SWAP;
|
|
#endif
|
|
|
|
/* If no TCL engine is present, turn off the HW TCL. */
|
|
if (!r300_screen(pipe->screen)->caps.has_tcl) {
|
|
rs->vap_control_status |= R300_VAP_TCL_BYPASS;
|
|
}
|
|
|
|
/* Point size width and height. */
|
|
rs->point_size =
|
|
pack_float_16_6x(state->point_size) |
|
|
(pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT);
|
|
|
|
/* Point size clamping. */
|
|
if (state->point_size_per_vertex) {
|
|
/* Per-vertex point size.
|
|
* Clamp to [0, max FB size] */
|
|
psiz = pipe->screen->get_paramf(pipe->screen,
|
|
PIPE_CAP_MAX_POINT_WIDTH);
|
|
rs->point_minmax =
|
|
pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT;
|
|
} else {
|
|
/* We cannot disable the point-size vertex output,
|
|
* so clamp it. */
|
|
psiz = state->point_size;
|
|
rs->point_minmax =
|
|
(pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MIN_SHIFT) |
|
|
(pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT);
|
|
}
|
|
|
|
/* Line control. */
|
|
rs->line_control = pack_float_16_6x(state->line_width) |
|
|
R300_GA_LINE_CNTL_END_TYPE_COMP;
|
|
|
|
/* Enable polygon mode */
|
|
if (state->fill_cw != PIPE_POLYGON_MODE_FILL ||
|
|
state->fill_ccw != PIPE_POLYGON_MODE_FILL) {
|
|
rs->polygon_mode = R300_GA_POLY_MODE_DUAL;
|
|
}
|
|
|
|
/* Radeons don't think in "CW/CCW", they think in "front/back". */
|
|
if (state->front_winding == PIPE_WINDING_CW) {
|
|
rs->cull_mode = R300_FRONT_FACE_CW;
|
|
|
|
/* Polygon offset */
|
|
if (state->offset_cw) {
|
|
rs->polygon_offset_enable |= R300_FRONT_ENABLE;
|
|
}
|
|
if (state->offset_ccw) {
|
|
rs->polygon_offset_enable |= R300_BACK_ENABLE;
|
|
}
|
|
|
|
/* Polygon mode */
|
|
if (rs->polygon_mode) {
|
|
rs->polygon_mode |=
|
|
r300_translate_polygon_mode_front(state->fill_cw);
|
|
rs->polygon_mode |=
|
|
r300_translate_polygon_mode_back(state->fill_ccw);
|
|
}
|
|
} else {
|
|
rs->cull_mode = R300_FRONT_FACE_CCW;
|
|
|
|
/* Polygon offset */
|
|
if (state->offset_ccw) {
|
|
rs->polygon_offset_enable |= R300_FRONT_ENABLE;
|
|
}
|
|
if (state->offset_cw) {
|
|
rs->polygon_offset_enable |= R300_BACK_ENABLE;
|
|
}
|
|
|
|
/* Polygon mode */
|
|
if (rs->polygon_mode) {
|
|
rs->polygon_mode |=
|
|
r300_translate_polygon_mode_front(state->fill_ccw);
|
|
rs->polygon_mode |=
|
|
r300_translate_polygon_mode_back(state->fill_cw);
|
|
}
|
|
}
|
|
if (state->front_winding & state->cull_mode) {
|
|
rs->cull_mode |= R300_CULL_FRONT;
|
|
}
|
|
if (~(state->front_winding) & state->cull_mode) {
|
|
rs->cull_mode |= R300_CULL_BACK;
|
|
}
|
|
|
|
if (rs->polygon_offset_enable) {
|
|
rs->depth_offset = state->offset_units;
|
|
rs->depth_scale = state->offset_scale;
|
|
}
|
|
|
|
if (state->line_stipple_enable) {
|
|
rs->line_stipple_config =
|
|
R300_GA_LINE_STIPPLE_CONFIG_LINE_RESET_LINE |
|
|
(fui((float)state->line_stipple_factor) &
|
|
R300_GA_LINE_STIPPLE_CONFIG_STIPPLE_SCALE_MASK);
|
|
/* XXX this might need to be scaled up */
|
|
rs->line_stipple_value = state->line_stipple_pattern;
|
|
}
|
|
|
|
if (state->flatshade) {
|
|
rs->color_control = R300_SHADE_MODEL_FLAT;
|
|
} else {
|
|
rs->color_control = R300_SHADE_MODEL_SMOOTH;
|
|
}
|
|
|
|
rs->clip_rule = state->scissor ? 0xAAAA : 0xFFFF;
|
|
|
|
/* Point sprites */
|
|
if (state->sprite_coord_enable) {
|
|
rs->stuffing_enable = R300_GB_POINT_STUFF_ENABLE;
|
|
for (i = 0; i < 8; i++) {
|
|
if (state->sprite_coord_enable & (1 << i))
|
|
rs->stuffing_enable |=
|
|
R300_GB_TEX_STR << (R300_GB_TEX0_SOURCE_SHIFT + (i*2));
|
|
}
|
|
|
|
rs->point_texcoord_left = 0.0f;
|
|
rs->point_texcoord_right = 1.0f;
|
|
|
|
switch (state->sprite_coord_mode) {
|
|
case PIPE_SPRITE_COORD_UPPER_LEFT:
|
|
rs->point_texcoord_top = 0.0f;
|
|
rs->point_texcoord_bottom = 1.0f;
|
|
break;
|
|
case PIPE_SPRITE_COORD_LOWER_LEFT:
|
|
rs->point_texcoord_top = 1.0f;
|
|
rs->point_texcoord_bottom = 0.0f;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (void*)rs;
|
|
}
|
|
|
|
/* Bind rasterizer state. */
|
|
static void r300_bind_rs_state(struct pipe_context* pipe, void* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_rs_state* rs = (struct r300_rs_state*)state;
|
|
int last_sprite_coord_enable = r300->sprite_coord_enable;
|
|
boolean last_two_sided_color = r300->two_sided_color;
|
|
|
|
if (r300->draw) {
|
|
draw_flush(r300->draw);
|
|
draw_set_rasterizer_state(r300->draw, &rs->rs, state);
|
|
}
|
|
|
|
if (rs) {
|
|
r300->polygon_offset_enabled = rs->rs.offset_cw || rs->rs.offset_ccw;
|
|
r300->sprite_coord_enable = rs->rs.sprite_coord_enable;
|
|
r300->two_sided_color = rs->rs.light_twoside;
|
|
} else {
|
|
r300->polygon_offset_enabled = FALSE;
|
|
r300->sprite_coord_enable = 0;
|
|
r300->two_sided_color = FALSE;
|
|
}
|
|
|
|
UPDATE_STATE(state, r300->rs_state);
|
|
r300->rs_state.size = 27 + (r300->polygon_offset_enabled ? 5 : 0);
|
|
|
|
if (last_sprite_coord_enable != r300->sprite_coord_enable ||
|
|
last_two_sided_color != r300->two_sided_color) {
|
|
r300->rs_block_state.dirty = TRUE;
|
|
}
|
|
}
|
|
|
|
/* Free rasterizer state. */
|
|
static void r300_delete_rs_state(struct pipe_context* pipe, void* state)
|
|
{
|
|
FREE(state);
|
|
}
|
|
|
|
static void*
|
|
r300_create_sampler_state(struct pipe_context* pipe,
|
|
const struct pipe_sampler_state* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state);
|
|
boolean is_r500 = r300->screen->caps.is_r500;
|
|
int lod_bias;
|
|
union util_color uc;
|
|
|
|
sampler->state = *state;
|
|
|
|
sampler->filter0 |=
|
|
(r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) |
|
|
(r300_translate_wrap(state->wrap_t) << R300_TX_WRAP_T_SHIFT) |
|
|
(r300_translate_wrap(state->wrap_r) << R300_TX_WRAP_R_SHIFT);
|
|
|
|
sampler->filter0 |= r300_translate_tex_filters(state->min_img_filter,
|
|
state->mag_img_filter,
|
|
state->min_mip_filter,
|
|
state->max_anisotropy > 0);
|
|
|
|
sampler->filter0 |= r300_anisotropy(state->max_anisotropy);
|
|
|
|
/* Unfortunately, r300-r500 don't support floating-point mipmap lods. */
|
|
/* We must pass these to the merge function to clamp them properly. */
|
|
sampler->min_lod = MAX2((unsigned)state->min_lod, 0);
|
|
sampler->max_lod = MAX2((unsigned)ceilf(state->max_lod), 0);
|
|
|
|
lod_bias = CLAMP((int)(state->lod_bias * 32 + 1), -(1 << 9), (1 << 9) - 1);
|
|
|
|
sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT;
|
|
|
|
/* This is very high quality anisotropic filtering for R5xx.
|
|
* It's good for benchmarking the performance of texturing but
|
|
* in practice we don't want to slow down the driver because it's
|
|
* a pretty good performance killer. Feel free to play with it. */
|
|
if (DBG_ON(r300, DBG_ANISOHQ) && is_r500) {
|
|
sampler->filter1 |= r500_anisotropy(state->max_anisotropy);
|
|
}
|
|
|
|
util_pack_color(state->border_color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
|
|
sampler->border_color = uc.ui;
|
|
|
|
/* R500-specific fixups and optimizations */
|
|
if (r300->screen->caps.is_r500) {
|
|
sampler->filter1 |= R500_BORDER_FIX;
|
|
}
|
|
|
|
return (void*)sampler;
|
|
}
|
|
|
|
static void r300_bind_sampler_states(struct pipe_context* pipe,
|
|
unsigned count,
|
|
void** states)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_textures_state* state =
|
|
(struct r300_textures_state*)r300->textures_state.state;
|
|
unsigned tex_units = r300->screen->caps.num_tex_units;
|
|
|
|
if (count > tex_units) {
|
|
return;
|
|
}
|
|
|
|
memcpy(state->sampler_states, states, sizeof(void*) * count);
|
|
state->sampler_state_count = count;
|
|
|
|
r300->textures_state.dirty = TRUE;
|
|
}
|
|
|
|
static void r300_lacks_vertex_textures(struct pipe_context* pipe,
|
|
unsigned count,
|
|
void** states)
|
|
{
|
|
}
|
|
|
|
static void r300_delete_sampler_state(struct pipe_context* pipe, void* state)
|
|
{
|
|
FREE(state);
|
|
}
|
|
|
|
static void r300_set_fragment_sampler_views(struct pipe_context* pipe,
|
|
unsigned count,
|
|
struct pipe_sampler_view** views)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_textures_state* state =
|
|
(struct r300_textures_state*)r300->textures_state.state;
|
|
struct r300_texture *texture;
|
|
unsigned i;
|
|
unsigned tex_units = r300->screen->caps.num_tex_units;
|
|
boolean dirty_tex = FALSE;
|
|
|
|
if (count > tex_units) {
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
if (&state->sampler_views[i]->base != views[i]) {
|
|
pipe_sampler_view_reference(
|
|
(struct pipe_sampler_view**)&state->sampler_views[i],
|
|
views[i]);
|
|
|
|
if (!views[i]) {
|
|
continue;
|
|
}
|
|
|
|
/* A new sampler view (= texture)... */
|
|
dirty_tex = TRUE;
|
|
|
|
/* Set the texrect factor in the fragment shader.
|
|
* Needed for RECT and NPOT fallback. */
|
|
texture = r300_texture(views[i]->texture);
|
|
if (texture->uses_pitch) {
|
|
r300->fs_rc_constant_state.dirty = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = count; i < tex_units; i++) {
|
|
if (state->sampler_views[i]) {
|
|
pipe_sampler_view_reference(
|
|
(struct pipe_sampler_view**)&state->sampler_views[i],
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
state->sampler_view_count = count;
|
|
|
|
r300->textures_state.dirty = TRUE;
|
|
|
|
if (dirty_tex) {
|
|
r300->texture_cache_inval.dirty = TRUE;
|
|
}
|
|
}
|
|
|
|
static struct pipe_sampler_view *
|
|
r300_create_sampler_view(struct pipe_context *pipe,
|
|
struct pipe_resource *texture,
|
|
const struct pipe_sampler_view *templ)
|
|
{
|
|
struct r300_sampler_view *view = CALLOC_STRUCT(r300_sampler_view);
|
|
struct r300_texture *tex = r300_texture(texture);
|
|
|
|
if (view) {
|
|
view->base = *templ;
|
|
view->base.reference.count = 1;
|
|
view->base.context = pipe;
|
|
view->base.texture = NULL;
|
|
pipe_resource_reference(&view->base.texture, texture);
|
|
|
|
view->swizzle[0] = templ->swizzle_r;
|
|
view->swizzle[1] = templ->swizzle_g;
|
|
view->swizzle[2] = templ->swizzle_b;
|
|
view->swizzle[3] = templ->swizzle_a;
|
|
|
|
view->format = tex->tx_format;
|
|
view->format.format1 |= r300_translate_texformat(templ->format,
|
|
view->swizzle);
|
|
if (r300_screen(pipe->screen)->caps.is_r500) {
|
|
view->format.format2 |= r500_tx_format_msb_bit(templ->format);
|
|
}
|
|
}
|
|
|
|
return (struct pipe_sampler_view*)view;
|
|
}
|
|
|
|
static void
|
|
r300_sampler_view_destroy(struct pipe_context *pipe,
|
|
struct pipe_sampler_view *view)
|
|
{
|
|
pipe_resource_reference(&view->texture, NULL);
|
|
FREE(view);
|
|
}
|
|
|
|
static void r300_set_scissor_state(struct pipe_context* pipe,
|
|
const struct pipe_scissor_state* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
|
|
memcpy(r300->scissor_state.state, state,
|
|
sizeof(struct pipe_scissor_state));
|
|
|
|
r300->scissor_state.dirty = TRUE;
|
|
}
|
|
|
|
static void r300_set_viewport_state(struct pipe_context* pipe,
|
|
const struct pipe_viewport_state* state)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_viewport_state* viewport =
|
|
(struct r300_viewport_state*)r300->viewport_state.state;
|
|
|
|
r300->viewport = *state;
|
|
|
|
/* Do the transform in HW. */
|
|
viewport->vte_control = R300_VTX_W0_FMT;
|
|
|
|
if (state->scale[0] != 1.0f) {
|
|
viewport->xscale = state->scale[0];
|
|
viewport->vte_control |= R300_VPORT_X_SCALE_ENA;
|
|
}
|
|
if (state->scale[1] != 1.0f) {
|
|
viewport->yscale = state->scale[1];
|
|
viewport->vte_control |= R300_VPORT_Y_SCALE_ENA;
|
|
}
|
|
if (state->scale[2] != 1.0f) {
|
|
viewport->zscale = state->scale[2];
|
|
viewport->vte_control |= R300_VPORT_Z_SCALE_ENA;
|
|
}
|
|
if (state->translate[0] != 0.0f) {
|
|
viewport->xoffset = state->translate[0];
|
|
viewport->vte_control |= R300_VPORT_X_OFFSET_ENA;
|
|
}
|
|
if (state->translate[1] != 0.0f) {
|
|
viewport->yoffset = state->translate[1];
|
|
viewport->vte_control |= R300_VPORT_Y_OFFSET_ENA;
|
|
}
|
|
if (state->translate[2] != 0.0f) {
|
|
viewport->zoffset = state->translate[2];
|
|
viewport->vte_control |= R300_VPORT_Z_OFFSET_ENA;
|
|
}
|
|
|
|
r300->viewport_state.dirty = TRUE;
|
|
if (r300->fs.state && r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED) {
|
|
r300->fs_rc_constant_state.dirty = TRUE;
|
|
}
|
|
}
|
|
|
|
static void r300_set_vertex_buffers(struct pipe_context* pipe,
|
|
unsigned count,
|
|
const struct pipe_vertex_buffer* buffers)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct pipe_vertex_buffer *vbo;
|
|
unsigned i, max_index = (1 << 24) - 1;
|
|
boolean any_user_buffer = FALSE;
|
|
|
|
if (count == r300->vertex_buffer_count &&
|
|
memcmp(r300->vertex_buffer, buffers,
|
|
sizeof(struct pipe_vertex_buffer) * count) == 0) {
|
|
return;
|
|
}
|
|
|
|
/* Check if the stride is aligned to the size of DWORD. */
|
|
for (i = 0; i < count; i++) {
|
|
if (buffers[i].buffer) {
|
|
if (buffers[i].stride % 4 != 0) {
|
|
// XXX Shouldn't we align the buffer?
|
|
fprintf(stderr, "r300: set_vertex_buffers: "
|
|
"Unaligned buffer stride %i isn't supported.\n",
|
|
buffers[i].stride);
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < count; i++) {
|
|
/* Why, yes, I AM casting away constness. How did you know? */
|
|
vbo = (struct pipe_vertex_buffer*)&buffers[i];
|
|
|
|
/* Reference our buffer. */
|
|
pipe_resource_reference(&r300->vertex_buffer[i].buffer, vbo->buffer);
|
|
|
|
/* Skip NULL buffers */
|
|
if (!buffers[i].buffer) {
|
|
continue;
|
|
}
|
|
|
|
if (r300_buffer_is_user_buffer(vbo->buffer)) {
|
|
any_user_buffer = TRUE;
|
|
}
|
|
|
|
if (vbo->max_index == ~0) {
|
|
/* if no VBO stride then only one vertex value so max index is 1 */
|
|
/* should think about converting to VS constants like svga does */
|
|
if (!vbo->stride)
|
|
vbo->max_index = 1;
|
|
else
|
|
vbo->max_index =
|
|
(vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
|
|
}
|
|
|
|
max_index = MIN2(vbo->max_index, max_index);
|
|
}
|
|
|
|
for (; i < r300->vertex_buffer_count; i++) {
|
|
/* Dereference any old buffers. */
|
|
pipe_resource_reference(&r300->vertex_buffer[i].buffer, NULL);
|
|
}
|
|
|
|
memcpy(r300->vertex_buffer, buffers,
|
|
sizeof(struct pipe_vertex_buffer) * count);
|
|
|
|
r300->vertex_buffer_count = count;
|
|
r300->vertex_buffer_max_index = max_index;
|
|
r300->any_user_vbs = any_user_buffer;
|
|
|
|
if (r300->draw) {
|
|
draw_flush(r300->draw);
|
|
draw_set_vertex_buffers(r300->draw, count, buffers);
|
|
}
|
|
}
|
|
|
|
/* Update the PSC tables. */
|
|
static void r300_vertex_psc(struct r300_vertex_element_state *velems)
|
|
{
|
|
struct r300_vertex_stream_state *vstream = &velems->vertex_stream;
|
|
uint16_t type, swizzle;
|
|
enum pipe_format format;
|
|
unsigned i;
|
|
|
|
if (velems->count > 16) {
|
|
fprintf(stderr, "r300: More than 16 vertex elements are not supported,"
|
|
" requested %i, using 16.\n", velems->count);
|
|
velems->count = 16;
|
|
}
|
|
|
|
/* Vertex shaders have no semantics on their inputs,
|
|
* so PSC should just route stuff based on the vertex elements,
|
|
* and not on attrib information. */
|
|
for (i = 0; i < velems->count; i++) {
|
|
format = velems->velem[i].src_format;
|
|
|
|
type = r300_translate_vertex_data_type(format) |
|
|
(i << R300_DST_VEC_LOC_SHIFT);
|
|
swizzle = r300_translate_vertex_data_swizzle(format);
|
|
|
|
if (i & 1) {
|
|
vstream->vap_prog_stream_cntl[i >> 1] |= type << 16;
|
|
vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
|
|
} else {
|
|
vstream->vap_prog_stream_cntl[i >> 1] |= type;
|
|
vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
|
|
}
|
|
}
|
|
|
|
/* Set the last vector in the PSC. */
|
|
if (i) {
|
|
i -= 1;
|
|
}
|
|
vstream->vap_prog_stream_cntl[i >> 1] |=
|
|
(R300_LAST_VEC << (i & 1 ? 16 : 0));
|
|
|
|
vstream->count = (i >> 1) + 1;
|
|
}
|
|
|
|
static void* r300_create_vertex_elements_state(struct pipe_context* pipe,
|
|
unsigned count,
|
|
const struct pipe_vertex_element* attribs)
|
|
{
|
|
struct r300_vertex_element_state *velems;
|
|
unsigned i, size;
|
|
enum pipe_format *format;
|
|
|
|
assert(count <= PIPE_MAX_ATTRIBS);
|
|
velems = CALLOC_STRUCT(r300_vertex_element_state);
|
|
if (velems != NULL) {
|
|
velems->count = count;
|
|
memcpy(velems->velem, attribs, sizeof(struct pipe_vertex_element) * count);
|
|
|
|
if (r300_screen(pipe->screen)->caps.has_tcl) {
|
|
r300_vertex_psc(velems);
|
|
|
|
/* Check if the format is aligned to the size of DWORD.
|
|
* We only care about the blocksizes of the formats since
|
|
* swizzles are already set up. */
|
|
for (i = 0; i < count; i++) {
|
|
format = &velems->velem[i].src_format;
|
|
|
|
/* Replace some formats with their aligned counterparts,
|
|
* this is OK because we check for aligned strides too. */
|
|
switch (*format) {
|
|
/* Align to RGBA8. */
|
|
case PIPE_FORMAT_R8_UNORM:
|
|
case PIPE_FORMAT_R8G8_UNORM:
|
|
case PIPE_FORMAT_R8G8B8_UNORM:
|
|
*format = PIPE_FORMAT_R8G8B8A8_UNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R8_SNORM:
|
|
case PIPE_FORMAT_R8G8_SNORM:
|
|
case PIPE_FORMAT_R8G8B8_SNORM:
|
|
*format = PIPE_FORMAT_R8G8B8A8_SNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R8_USCALED:
|
|
case PIPE_FORMAT_R8G8_USCALED:
|
|
case PIPE_FORMAT_R8G8B8_USCALED:
|
|
*format = PIPE_FORMAT_R8G8B8A8_USCALED;
|
|
continue;
|
|
case PIPE_FORMAT_R8_SSCALED:
|
|
case PIPE_FORMAT_R8G8_SSCALED:
|
|
case PIPE_FORMAT_R8G8B8_SSCALED:
|
|
*format = PIPE_FORMAT_R8G8B8A8_SSCALED;
|
|
continue;
|
|
|
|
/* Align to RG16. */
|
|
case PIPE_FORMAT_R16_UNORM:
|
|
*format = PIPE_FORMAT_R16G16_UNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R16_SNORM:
|
|
*format = PIPE_FORMAT_R16G16_SNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R16_USCALED:
|
|
*format = PIPE_FORMAT_R16G16_USCALED;
|
|
continue;
|
|
case PIPE_FORMAT_R16_SSCALED:
|
|
*format = PIPE_FORMAT_R16G16_SSCALED;
|
|
continue;
|
|
case PIPE_FORMAT_R16_FLOAT:
|
|
*format = PIPE_FORMAT_R16G16_FLOAT;
|
|
continue;
|
|
|
|
/* Align to RGBA16. */
|
|
case PIPE_FORMAT_R16G16B16_UNORM:
|
|
*format = PIPE_FORMAT_R16G16B16A16_UNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R16G16B16_SNORM:
|
|
*format = PIPE_FORMAT_R16G16B16A16_SNORM;
|
|
continue;
|
|
case PIPE_FORMAT_R16G16B16_USCALED:
|
|
*format = PIPE_FORMAT_R16G16B16A16_USCALED;
|
|
continue;
|
|
case PIPE_FORMAT_R16G16B16_SSCALED:
|
|
*format = PIPE_FORMAT_R16G16B16A16_SSCALED;
|
|
continue;
|
|
case PIPE_FORMAT_R16G16B16_FLOAT:
|
|
*format = PIPE_FORMAT_R16G16B16A16_FLOAT;
|
|
continue;
|
|
|
|
default:;
|
|
}
|
|
|
|
size = util_format_get_blocksize(*format);
|
|
|
|
if (size % 4 != 0) {
|
|
/* XXX Shouldn't we align the format? */
|
|
fprintf(stderr, "r300_create_vertex_elements_state: "
|
|
"Unaligned format %s:%i isn't supported\n",
|
|
util_format_short_name(*format), size);
|
|
assert(0);
|
|
abort();
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
return velems;
|
|
}
|
|
|
|
static void r300_bind_vertex_elements_state(struct pipe_context *pipe,
|
|
void *state)
|
|
{
|
|
struct r300_context *r300 = r300_context(pipe);
|
|
struct r300_vertex_element_state *velems = state;
|
|
|
|
if (velems == NULL) {
|
|
return;
|
|
}
|
|
|
|
r300->velems = velems;
|
|
|
|
if (r300->draw) {
|
|
draw_flush(r300->draw);
|
|
draw_set_vertex_elements(r300->draw, velems->count, velems->velem);
|
|
}
|
|
|
|
UPDATE_STATE(&velems->vertex_stream, r300->vertex_stream_state);
|
|
r300->vertex_stream_state.size = (1 + velems->vertex_stream.count) * 2;
|
|
}
|
|
|
|
static void r300_delete_vertex_elements_state(struct pipe_context *pipe, void *state)
|
|
{
|
|
FREE(state);
|
|
}
|
|
|
|
static void* r300_create_vs_state(struct pipe_context* pipe,
|
|
const struct pipe_shader_state* shader)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
|
|
struct r300_vertex_shader* vs = CALLOC_STRUCT(r300_vertex_shader);
|
|
|
|
/* Copy state directly into shader. */
|
|
vs->state = *shader;
|
|
vs->state.tokens = tgsi_dup_tokens(shader->tokens);
|
|
|
|
if (r300->screen->caps.has_tcl) {
|
|
r300_translate_vertex_shader(r300, vs, vs->state.tokens);
|
|
} else {
|
|
vs->draw_vs = draw_create_vertex_shader(r300->draw, shader);
|
|
}
|
|
|
|
return vs;
|
|
}
|
|
|
|
static void r300_bind_vs_state(struct pipe_context* pipe, void* shader)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
|
|
|
|
if (vs == NULL) {
|
|
r300->vs_state.state = NULL;
|
|
return;
|
|
}
|
|
if (vs == r300->vs_state.state) {
|
|
return;
|
|
}
|
|
r300->vs_state.state = vs;
|
|
|
|
/* The majority of the RS block bits is dependent on the vertex shader. */
|
|
r300->rs_block_state.dirty = TRUE; /* Will be updated before the emission. */
|
|
|
|
if (r300->screen->caps.has_tcl) {
|
|
r300->vs_state.dirty = TRUE;
|
|
r300->vs_state.size =
|
|
vs->code.length + 9 +
|
|
(vs->immediates_count ? vs->immediates_count * 4 + 3 : 0);
|
|
|
|
if (vs->externals_count) {
|
|
r300->vs_constants.dirty = TRUE;
|
|
r300->vs_constants.size = vs->externals_count * 4 + 3;
|
|
} else {
|
|
r300->vs_constants.size = 0;
|
|
}
|
|
|
|
r300->pvs_flush.dirty = TRUE;
|
|
} else {
|
|
draw_flush(r300->draw);
|
|
draw_bind_vertex_shader(r300->draw,
|
|
(struct draw_vertex_shader*)vs->draw_vs);
|
|
}
|
|
}
|
|
|
|
static void r300_delete_vs_state(struct pipe_context* pipe, void* shader)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader;
|
|
|
|
if (r300->screen->caps.has_tcl) {
|
|
rc_constants_destroy(&vs->code.constants);
|
|
} else {
|
|
draw_delete_vertex_shader(r300->draw,
|
|
(struct draw_vertex_shader*)vs->draw_vs);
|
|
}
|
|
|
|
FREE((void*)vs->state.tokens);
|
|
FREE(shader);
|
|
}
|
|
|
|
static void r300_set_constant_buffer(struct pipe_context *pipe,
|
|
uint shader, uint index,
|
|
struct pipe_resource *buf)
|
|
{
|
|
struct r300_context* r300 = r300_context(pipe);
|
|
struct r300_constant_buffer *cbuf;
|
|
struct pipe_transfer *tr;
|
|
void *mapped;
|
|
int max_size = 0;
|
|
|
|
switch (shader) {
|
|
case PIPE_SHADER_VERTEX:
|
|
cbuf = (struct r300_constant_buffer*)r300->vs_constants.state;
|
|
max_size = 256;
|
|
break;
|
|
case PIPE_SHADER_FRAGMENT:
|
|
cbuf = (struct r300_constant_buffer*)r300->fs_constants.state;
|
|
if (r300->screen->caps.is_r500) {
|
|
max_size = 256;
|
|
} else {
|
|
max_size = 32;
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
return;
|
|
}
|
|
|
|
if (buf == NULL || buf->width0 == 0 ||
|
|
(mapped = pipe_buffer_map(pipe, buf, PIPE_TRANSFER_READ, &tr)) == NULL)
|
|
{
|
|
cbuf->count = 0;
|
|
return;
|
|
}
|
|
|
|
assert((buf->width0 % 4 * sizeof(float)) == 0);
|
|
|
|
/* Check the size of the constant buffer. */
|
|
/* XXX Subtract immediates and RC_STATE_* variables. */
|
|
if (buf->width0 > (sizeof(float) * 4 * max_size)) {
|
|
fprintf(stderr, "r300: Max size of the constant buffer is "
|
|
"%i*4 floats.\n", max_size);
|
|
abort();
|
|
}
|
|
|
|
memcpy(cbuf->constants, mapped, buf->width0);
|
|
cbuf->count = buf->width0 / (4 * sizeof(float));
|
|
pipe_buffer_unmap(pipe, buf, tr);
|
|
|
|
if (shader == PIPE_SHADER_VERTEX) {
|
|
if (r300->screen->caps.has_tcl) {
|
|
if (r300->vs_constants.size) {
|
|
r300->vs_constants.dirty = TRUE;
|
|
}
|
|
r300->pvs_flush.dirty = TRUE;
|
|
} else if (r300->draw) {
|
|
draw_set_mapped_constant_buffer(r300->draw, PIPE_SHADER_VERTEX,
|
|
0, cbuf->constants,
|
|
buf->width0);
|
|
}
|
|
} else if (shader == PIPE_SHADER_FRAGMENT) {
|
|
r300->fs_constants.dirty = TRUE;
|
|
}
|
|
}
|
|
|
|
void r300_init_state_functions(struct r300_context* r300)
|
|
{
|
|
r300->context.create_blend_state = r300_create_blend_state;
|
|
r300->context.bind_blend_state = r300_bind_blend_state;
|
|
r300->context.delete_blend_state = r300_delete_blend_state;
|
|
|
|
r300->context.set_blend_color = r300_set_blend_color;
|
|
|
|
r300->context.set_clip_state = r300_set_clip_state;
|
|
|
|
r300->context.set_constant_buffer = r300_set_constant_buffer;
|
|
|
|
r300->context.create_depth_stencil_alpha_state = r300_create_dsa_state;
|
|
r300->context.bind_depth_stencil_alpha_state = r300_bind_dsa_state;
|
|
r300->context.delete_depth_stencil_alpha_state = r300_delete_dsa_state;
|
|
|
|
r300->context.set_stencil_ref = r300_set_stencil_ref;
|
|
|
|
r300->context.set_framebuffer_state = r300_set_framebuffer_state;
|
|
|
|
r300->context.create_fs_state = r300_create_fs_state;
|
|
r300->context.bind_fs_state = r300_bind_fs_state;
|
|
r300->context.delete_fs_state = r300_delete_fs_state;
|
|
|
|
r300->context.set_polygon_stipple = r300_set_polygon_stipple;
|
|
|
|
r300->context.create_rasterizer_state = r300_create_rs_state;
|
|
r300->context.bind_rasterizer_state = r300_bind_rs_state;
|
|
r300->context.delete_rasterizer_state = r300_delete_rs_state;
|
|
|
|
r300->context.create_sampler_state = r300_create_sampler_state;
|
|
r300->context.bind_fragment_sampler_states = r300_bind_sampler_states;
|
|
r300->context.bind_vertex_sampler_states = r300_lacks_vertex_textures;
|
|
r300->context.delete_sampler_state = r300_delete_sampler_state;
|
|
|
|
r300->context.set_fragment_sampler_views = r300_set_fragment_sampler_views;
|
|
r300->context.create_sampler_view = r300_create_sampler_view;
|
|
r300->context.sampler_view_destroy = r300_sampler_view_destroy;
|
|
|
|
r300->context.set_scissor_state = r300_set_scissor_state;
|
|
|
|
r300->context.set_viewport_state = r300_set_viewport_state;
|
|
|
|
r300->context.set_vertex_buffers = r300_set_vertex_buffers;
|
|
|
|
r300->context.create_vertex_elements_state = r300_create_vertex_elements_state;
|
|
r300->context.bind_vertex_elements_state = r300_bind_vertex_elements_state;
|
|
r300->context.delete_vertex_elements_state = r300_delete_vertex_elements_state;
|
|
|
|
r300->context.create_vs_state = r300_create_vs_state;
|
|
r300->context.bind_vs_state = r300_bind_vs_state;
|
|
r300->context.delete_vs_state = r300_delete_vs_state;
|
|
}
|