| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Copyright 2009 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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. */ |
| |
| #include "draw/draw_context.h" |
| |
| #include "util/u_framebuffer.h" |
| #include "util/u_half.h" |
| #include "util/u_helpers.h" |
| #include "util/u_math.h" |
| #include "util/u_mm.h" |
| #include "util/u_memory.h" |
| #include "util/u_pack_color.h" |
| #include "util/u_transfer.h" |
| |
| #include "tgsi/tgsi_parse.h" |
| |
| #include "pipe/p_config.h" |
| |
| #include "r300_cb.h" |
| #include "r300_context.h" |
| #include "r300_emit.h" |
| #include "r300_reg.h" |
| #include "r300_screen.h" |
| #include "r300_screen_buffer.h" |
| #include "r300_state_inlines.h" |
| #include "r300_fs.h" |
| #include "r300_texture.h" |
| #include "r300_vs.h" |
| |
| /* r300_state: Functions used to intialize state context by translating |
| * Gallium state objects into semi-native r300 state objects. */ |
| |
| #define UPDATE_STATE(cso, atom) \ |
| if (cso != atom.state) { \ |
| atom.state = cso; \ |
| r300_mark_atom_dirty(r300, &(atom)); \ |
| } |
| |
| static boolean blend_discard_if_src_alpha_0(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_ALPHA == 0, and the following state is set, the colorbuffer |
| * will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_SRC_COLOR || |
| srcA == PIPE_BLENDFACTOR_SRC_ALPHA || |
| srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || |
| srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static boolean blend_discard_if_src_alpha_1(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_ALPHA == 1, and the following state is set, the colorbuffer |
| * will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static boolean blend_discard_if_src_color_0(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_COLOR == (0,0,0), and the following state is set, the colorbuffer |
| * will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static boolean blend_discard_if_src_color_1(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_COLOR == (1,1,1), and the following state is set, the colorbuffer |
| * will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static boolean blend_discard_if_src_alpha_color_0(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_ALPHA_COLOR == (0,0,0,0), and the following state is set, |
| * the colorbuffer will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_SRC_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_SRC_COLOR || |
| srcA == PIPE_BLENDFACTOR_SRC_ALPHA || |
| srcA == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE || |
| srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static boolean blend_discard_if_src_alpha_color_1(unsigned srcRGB, unsigned srcA, |
| unsigned dstRGB, unsigned dstA) |
| { |
| /* If the blend equation is ADD or REVERSE_SUBTRACT, |
| * SRC_ALPHA_COLOR == (1,1,1,1), and the following state is set, |
| * the colorbuffer will not be changed. |
| * Notice that the dst factors are the src factors inverted. */ |
| return (srcRGB == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_ZERO) && |
| (srcA == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| srcA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| srcA == PIPE_BLENDFACTOR_ZERO) && |
| (dstRGB == PIPE_BLENDFACTOR_SRC_COLOR || |
| dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ONE) && |
| (dstA == PIPE_BLENDFACTOR_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ONE); |
| } |
| |
| static unsigned blend_discard_conditionally(unsigned eqRGB, unsigned eqA, |
| unsigned dstRGB, unsigned dstA, |
| unsigned srcRGB, unsigned srcA) |
| { |
| unsigned blend_control = 0; |
| |
| /* Optimization: discard pixels which don't change the colorbuffer. |
| * |
| * The code below is non-trivial and some math is involved. |
| * |
| * Discarding pixels must be disabled when FP16 AA is enabled. |
| * This is a hardware bug. Also, this implementation wouldn't work |
| * with FP blending enabled and equation clamping disabled. |
| * |
| * Equations other than ADD are rarely used and therefore won't be |
| * optimized. */ |
| if ((eqRGB == PIPE_BLEND_ADD || eqRGB == PIPE_BLEND_REVERSE_SUBTRACT) && |
| (eqA == PIPE_BLEND_ADD || eqA == PIPE_BLEND_REVERSE_SUBTRACT)) { |
| /* ADD: X+Y |
| * REVERSE_SUBTRACT: Y-X |
| * |
| * The idea is: |
| * If X = src*srcFactor = 0 and Y = dst*dstFactor = 1, |
| * then CB will not be changed. |
| * |
| * Given the srcFactor and dstFactor variables, we can derive |
| * what src and dst should be equal to and discard appropriate |
| * pixels. |
| */ |
| if (blend_discard_if_src_alpha_0(srcRGB, srcA, dstRGB, dstA)) { |
| blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0; |
| } else if (blend_discard_if_src_alpha_1(srcRGB, srcA, |
| dstRGB, dstA)) { |
| blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1; |
| } else if (blend_discard_if_src_color_0(srcRGB, srcA, |
| dstRGB, dstA)) { |
| blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0; |
| } else if (blend_discard_if_src_color_1(srcRGB, srcA, |
| dstRGB, dstA)) { |
| blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1; |
| } else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA, |
| dstRGB, dstA)) { |
| blend_control |= |
| R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0; |
| } else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA, |
| dstRGB, dstA)) { |
| blend_control |= |
| R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1; |
| } |
| } |
| return blend_control; |
| } |
| |
| /* The hardware colormask is clunky a must be swizzled depending on the format. |
| * This was figured out by trial-and-error. */ |
| static unsigned bgra_cmask(unsigned mask) |
| { |
| return ((mask & PIPE_MASK_R) << 2) | |
| ((mask & PIPE_MASK_B) >> 2) | |
| (mask & (PIPE_MASK_G | PIPE_MASK_A)); |
| } |
| |
| static unsigned rgba_cmask(unsigned mask) |
| { |
| return mask & PIPE_MASK_RGBA; |
| } |
| |
| static unsigned rrrr_cmask(unsigned mask) |
| { |
| return (mask & PIPE_MASK_R) | |
| ((mask & PIPE_MASK_R) << 1) | |
| ((mask & PIPE_MASK_R) << 2) | |
| ((mask & PIPE_MASK_R) << 3); |
| } |
| |
| static unsigned aaaa_cmask(unsigned mask) |
| { |
| return ((mask & PIPE_MASK_A) >> 3) | |
| ((mask & PIPE_MASK_A) >> 2) | |
| ((mask & PIPE_MASK_A) >> 1) | |
| (mask & PIPE_MASK_A); |
| } |
| |
| static unsigned grrg_cmask(unsigned mask) |
| { |
| return ((mask & PIPE_MASK_R) << 1) | |
| ((mask & PIPE_MASK_R) << 2) | |
| ((mask & PIPE_MASK_G) >> 1) | |
| ((mask & PIPE_MASK_G) << 2); |
| } |
| |
| static unsigned arra_cmask(unsigned mask) |
| { |
| return ((mask & PIPE_MASK_R) << 1) | |
| ((mask & PIPE_MASK_R) << 2) | |
| ((mask & PIPE_MASK_A) >> 3) | |
| (mask & PIPE_MASK_A); |
| } |
| |
| static unsigned blend_read_enable(unsigned eqRGB, unsigned eqA, |
| unsigned dstRGB, unsigned dstA, |
| unsigned srcRGB, unsigned srcA, |
| boolean src_alpha_optz) |
| { |
| unsigned blend_control = 0; |
| |
| /* Optimization: some operations do not require the destination color. |
| * |
| * When SRC_ALPHA_SATURATE is used, colorbuffer reads must be enabled, |
| * otherwise blending gives incorrect results. It seems to be |
| * a hardware bug. */ |
| if (eqRGB == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MIN || |
| eqRGB == PIPE_BLEND_MAX || eqA == PIPE_BLEND_MAX || |
| dstRGB != PIPE_BLENDFACTOR_ZERO || |
| dstA != PIPE_BLENDFACTOR_ZERO || |
| srcRGB == PIPE_BLENDFACTOR_DST_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_DST_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_INV_DST_COLOR || |
| srcRGB == PIPE_BLENDFACTOR_INV_DST_ALPHA || |
| srcA == PIPE_BLENDFACTOR_DST_COLOR || |
| srcA == PIPE_BLENDFACTOR_DST_ALPHA || |
| srcA == PIPE_BLENDFACTOR_INV_DST_COLOR || |
| srcA == PIPE_BLENDFACTOR_INV_DST_ALPHA || |
| srcRGB == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) { |
| /* Enable reading from the colorbuffer. */ |
| blend_control |= R300_READ_ENABLE; |
| |
| if (src_alpha_optz) { |
| /* Optimization: Depending on incoming pixels, we can |
| * conditionally disable the reading in hardware... */ |
| if (eqRGB != PIPE_BLEND_MIN && eqA != PIPE_BLEND_MIN && |
| eqRGB != PIPE_BLEND_MAX && eqA != PIPE_BLEND_MAX) { |
| /* Disable reading if SRC_ALPHA == 0. */ |
| if ((dstRGB == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ZERO) && |
| (dstA == PIPE_BLENDFACTOR_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ZERO) && |
| (srcRGB != PIPE_BLENDFACTOR_DST_COLOR && |
| srcRGB != PIPE_BLENDFACTOR_DST_ALPHA && |
| srcRGB != PIPE_BLENDFACTOR_INV_DST_COLOR && |
| srcRGB != PIPE_BLENDFACTOR_INV_DST_ALPHA)) { |
| blend_control |= R500_SRC_ALPHA_0_NO_READ; |
| } |
| |
| /* Disable reading if SRC_ALPHA == 1. */ |
| if ((dstRGB == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstRGB == PIPE_BLENDFACTOR_ZERO) && |
| (dstA == PIPE_BLENDFACTOR_INV_SRC_COLOR || |
| dstA == PIPE_BLENDFACTOR_INV_SRC_ALPHA || |
| dstA == PIPE_BLENDFACTOR_ZERO) && |
| (srcRGB != PIPE_BLENDFACTOR_DST_COLOR && |
| srcRGB != PIPE_BLENDFACTOR_DST_ALPHA && |
| srcRGB != PIPE_BLENDFACTOR_INV_DST_COLOR && |
| srcRGB != PIPE_BLENDFACTOR_INV_DST_ALPHA)) { |
| blend_control |= R500_SRC_ALPHA_1_NO_READ; |
| } |
| } |
| } |
| } |
| return blend_control; |
| } |
| |
| /* Create a new blend state based on the CSO blend state. |
| * |
| * This encompasses alpha blending, logic/raster ops, and blend dithering. */ |
| static void* r300_create_blend_state(struct pipe_context* pipe, |
| const struct pipe_blend_state* state) |
| { |
| struct r300_screen* r300screen = r300_screen(pipe->screen); |
| struct r300_blend_state* blend = CALLOC_STRUCT(r300_blend_state); |
| uint32_t blend_control = 0; /* R300_RB3D_CBLEND: 0x4e04 */ |
| uint32_t blend_control_noclamp = 0; /* R300_RB3D_CBLEND: 0x4e04 */ |
| uint32_t blend_control_noalpha = 0; /* R300_RB3D_CBLEND: 0x4e04 */ |
| uint32_t blend_control_noalpha_noclamp = 0; /* R300_RB3D_CBLEND: 0x4e04 */ |
| uint32_t alpha_blend_control = 0; /* R300_RB3D_ABLEND: 0x4e08 */ |
| uint32_t alpha_blend_control_noclamp = 0; /* R300_RB3D_ABLEND: 0x4e08 */ |
| uint32_t alpha_blend_control_noalpha = 0; /* R300_RB3D_ABLEND: 0x4e08 */ |
| uint32_t alpha_blend_control_noalpha_noclamp = 0; /* R300_RB3D_ABLEND: 0x4e08 */ |
| uint32_t rop = 0; /* R300_RB3D_ROPCNTL: 0x4e18 */ |
| uint32_t dither = 0; /* R300_RB3D_DITHER_CTL: 0x4e50 */ |
| int i; |
| |
| const unsigned eqRGB = state->rt[0].rgb_func; |
| const unsigned srcRGB = state->rt[0].rgb_src_factor; |
| const unsigned dstRGB = state->rt[0].rgb_dst_factor; |
| |
| const unsigned eqA = state->rt[0].alpha_func; |
| const unsigned srcA = state->rt[0].alpha_src_factor; |
| const unsigned dstA = state->rt[0].alpha_dst_factor; |
| |
| unsigned srcRGBX = srcRGB; |
| unsigned dstRGBX = dstRGB; |
| CB_LOCALS; |
| |
| blend->state = *state; |
| |
| /* force DST_ALPHA to ONE where we can */ |
| switch (srcRGBX) { |
| case PIPE_BLENDFACTOR_DST_ALPHA: |
| srcRGBX = PIPE_BLENDFACTOR_ONE; |
| break; |
| case PIPE_BLENDFACTOR_INV_DST_ALPHA: |
| srcRGBX = PIPE_BLENDFACTOR_ZERO; |
| break; |
| } |
| |
| switch (dstRGBX) { |
| case PIPE_BLENDFACTOR_DST_ALPHA: |
| dstRGBX = PIPE_BLENDFACTOR_ONE; |
| break; |
| case PIPE_BLENDFACTOR_INV_DST_ALPHA: |
| dstRGBX = PIPE_BLENDFACTOR_ZERO; |
| break; |
| } |
| |
| /* Get blending register values. */ |
| if (state->rt[0].blend_enable) { |
| unsigned blend_eq, blend_eq_noclamp; |
| |
| /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha, |
| * this is just the crappy D3D naming */ |
| blend_control = blend_control_noclamp = |
| R300_ALPHA_BLEND_ENABLE | |
| ( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) | |
| ( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT); |
| |
| blend_control_noalpha = blend_control_noalpha_noclamp = |
| R300_ALPHA_BLEND_ENABLE | |
| ( r300_translate_blend_factor(srcRGBX) << R300_SRC_BLEND_SHIFT) | |
| ( r300_translate_blend_factor(dstRGBX) << R300_DST_BLEND_SHIFT); |
| |
| blend_eq = r300_translate_blend_function(eqRGB, TRUE); |
| blend_eq_noclamp = r300_translate_blend_function(eqRGB, FALSE); |
| |
| blend_control |= blend_eq; |
| blend_control_noalpha |= blend_eq; |
| blend_control_noclamp |= blend_eq_noclamp; |
| blend_control_noalpha_noclamp |= blend_eq_noclamp; |
| |
| /* Optimization: some operations do not require the destination color. */ |
| blend_control |= blend_read_enable(eqRGB, eqA, dstRGB, dstA, |
| srcRGB, srcA, r300screen->caps.is_r500); |
| blend_control_noclamp |= blend_read_enable(eqRGB, eqA, dstRGB, dstA, |
| srcRGB, srcA, FALSE); |
| blend_control_noalpha |= blend_read_enable(eqRGB, eqA, dstRGBX, dstA, |
| srcRGBX, srcA, r300screen->caps.is_r500); |
| blend_control_noalpha_noclamp |= blend_read_enable(eqRGB, eqA, dstRGBX, dstA, |
| srcRGBX, srcA, FALSE); |
| |
| /* Optimization: discard pixels which don't change the colorbuffer. |
| * It cannot be used with FP16 AA. */ |
| blend_control |= blend_discard_conditionally(eqRGB, eqA, dstRGB, dstA, |
| srcRGB, srcA); |
| blend_control_noalpha |= blend_discard_conditionally(eqRGB, eqA, dstRGBX, dstA, |
| srcRGBX, srcA); |
| |
| /* separate alpha */ |
| if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { |
| blend_control |= R300_SEPARATE_ALPHA_ENABLE; |
| blend_control_noclamp |= R300_SEPARATE_ALPHA_ENABLE; |
| |
| alpha_blend_control = alpha_blend_control_noclamp = |
| (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) | |
| (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT); |
| alpha_blend_control |= r300_translate_blend_function(eqA, TRUE); |
| alpha_blend_control_noclamp |= r300_translate_blend_function(eqA, FALSE); |
| } |
| if (srcA != srcRGBX || dstA != dstRGBX || eqA != eqRGB) { |
| blend_control_noalpha |= R300_SEPARATE_ALPHA_ENABLE; |
| blend_control_noalpha_noclamp |= R300_SEPARATE_ALPHA_ENABLE; |
| |
| alpha_blend_control_noalpha = alpha_blend_control_noalpha_noclamp = |
| (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) | |
| (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT); |
| alpha_blend_control_noalpha |= r300_translate_blend_function(eqA, TRUE); |
| alpha_blend_control_noalpha_noclamp |= r300_translate_blend_function(eqA, FALSE); |
| } |
| } |
| |
| /* PIPE_LOGICOP_* don't need to be translated, fortunately. */ |
| if (state->logicop_enable) { |
| rop = R300_RB3D_ROPCNTL_ROP_ENABLE | |
| (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT; |
| } |
| |
| /* Neither fglrx nor classic r300 ever set this, regardless of dithering |
| * state. Since it's an optional implementation detail, we can leave it |
| * out and never dither. |
| * |
| * This could be revisited if we ever get quality or conformance hints. |
| * |
| if (state->dither) { |
| dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | |
| R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; |
| } |
| */ |
| |
| /* Build a command buffer. */ |
| { |
| unsigned (*func[COLORMASK_NUM_SWIZZLES])(unsigned) = { |
| bgra_cmask, |
| rgba_cmask, |
| rrrr_cmask, |
| aaaa_cmask, |
| grrg_cmask, |
| arra_cmask, |
| bgra_cmask, |
| rgba_cmask |
| }; |
| |
| for (i = 0; i < COLORMASK_NUM_SWIZZLES; i++) { |
| boolean has_alpha = i != COLORMASK_RGBX && i != COLORMASK_BGRX; |
| |
| BEGIN_CB(blend->cb_clamp[i], 8); |
| OUT_CB_REG(R300_RB3D_ROPCNTL, rop); |
| OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); |
| OUT_CB(has_alpha ? blend_control : blend_control_noalpha); |
| OUT_CB(has_alpha ? alpha_blend_control : alpha_blend_control_noalpha); |
| OUT_CB(func[i](state->rt[0].colormask)); |
| OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); |
| END_CB; |
| } |
| } |
| |
| /* Build a command buffer (for RGBA16F). */ |
| BEGIN_CB(blend->cb_noclamp, 8); |
| OUT_CB_REG(R300_RB3D_ROPCNTL, rop); |
| OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); |
| OUT_CB(blend_control_noclamp); |
| OUT_CB(alpha_blend_control_noclamp); |
| OUT_CB(rgba_cmask(state->rt[0].colormask)); |
| OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); |
| END_CB; |
| |
| /* Build a command buffer (for RGB16F). */ |
| BEGIN_CB(blend->cb_noclamp_noalpha, 8); |
| OUT_CB_REG(R300_RB3D_ROPCNTL, rop); |
| OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); |
| OUT_CB(blend_control_noalpha_noclamp); |
| OUT_CB(alpha_blend_control_noalpha_noclamp); |
| OUT_CB(rgba_cmask(state->rt[0].colormask)); |
| OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); |
| END_CB; |
| |
| /* The same as above, but with no colorbuffer reads and writes. */ |
| BEGIN_CB(blend->cb_no_readwrite, 8); |
| OUT_CB_REG(R300_RB3D_ROPCNTL, rop); |
| OUT_CB_REG_SEQ(R300_RB3D_CBLEND, 3); |
| OUT_CB(0); |
| OUT_CB(0); |
| OUT_CB(0); |
| OUT_CB_REG(R300_RB3D_DITHER_CTL, dither); |
| END_CB; |
| |
| return (void*)blend; |
| } |
| |
| /* Bind blend state. */ |
| static void r300_bind_blend_state(struct pipe_context* pipe, |
| void* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_blend_state *blend = (struct r300_blend_state*)state; |
| boolean last_alpha_to_one = r300->alpha_to_one; |
| boolean last_alpha_to_coverage = r300->alpha_to_coverage; |
| |
| UPDATE_STATE(state, r300->blend_state); |
| |
| if (!blend) |
| return; |
| |
| r300->alpha_to_one = blend->state.alpha_to_one; |
| r300->alpha_to_coverage = blend->state.alpha_to_coverage; |
| |
| if (r300->alpha_to_one != last_alpha_to_one && r300->msaa_enable && |
| r300->fs_status == FRAGMENT_SHADER_VALID) { |
| r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY; |
| } |
| |
| if (r300->alpha_to_coverage != last_alpha_to_coverage && |
| r300->msaa_enable) { |
| r300_mark_atom_dirty(r300, &r300->dsa_state); |
| } |
| } |
| |
| /* Free blend state. */ |
| static void r300_delete_blend_state(struct pipe_context* pipe, |
| void* state) |
| { |
| FREE(state); |
| } |
| |
| /* Convert float to 10bit integer */ |
| static unsigned float_to_fixed10(float f) |
| { |
| return CLAMP((unsigned)(f * 1023.9f), 0, 1023); |
| } |
| |
| /* Set blend color. |
| * Setup both R300 and R500 registers, figure out later which one to write. */ |
| static void r300_set_blend_color(struct pipe_context* pipe, |
| const struct pipe_blend_color* color) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct pipe_framebuffer_state *fb = r300->fb_state.state; |
| struct r300_blend_color_state *state = |
| (struct r300_blend_color_state*)r300->blend_color_state.state; |
| struct pipe_blend_color c; |
| struct pipe_surface *cb; |
| float tmp; |
| CB_LOCALS; |
| |
| state->state = *color; /* Save it, so that we can reuse it in set_fb_state */ |
| c = *color; |
| cb = fb->nr_cbufs ? r300_get_nonnull_cb(fb, 0) : NULL; |
| |
| /* The blend color is dependent on the colorbuffer format. */ |
| if (cb) { |
| switch (cb->format) { |
| case PIPE_FORMAT_R8_UNORM: |
| case PIPE_FORMAT_L8_UNORM: |
| case PIPE_FORMAT_I8_UNORM: |
| c.color[1] = c.color[0]; |
| break; |
| |
| case PIPE_FORMAT_A8_UNORM: |
| c.color[1] = c.color[3]; |
| break; |
| |
| case PIPE_FORMAT_R8G8_UNORM: |
| c.color[2] = c.color[1]; |
| break; |
| |
| case PIPE_FORMAT_L8A8_UNORM: |
| case PIPE_FORMAT_R8A8_UNORM: |
| c.color[2] = c.color[3]; |
| break; |
| |
| case PIPE_FORMAT_R8G8B8A8_UNORM: |
| case PIPE_FORMAT_R8G8B8X8_UNORM: |
| tmp = c.color[0]; |
| c.color[0] = c.color[2]; |
| c.color[2] = tmp; |
| break; |
| |
| default:; |
| } |
| } |
| |
| if (r300->screen->caps.is_r500) { |
| BEGIN_CB(state->cb, 3); |
| OUT_CB_REG_SEQ(R500_RB3D_CONSTANT_COLOR_AR, 2); |
| |
| switch (cb ? cb->format : 0) { |
| case PIPE_FORMAT_R16G16B16A16_FLOAT: |
| case PIPE_FORMAT_R16G16B16X16_FLOAT: |
| OUT_CB(util_float_to_half(c.color[2]) | |
| (util_float_to_half(c.color[3]) << 16)); |
| OUT_CB(util_float_to_half(c.color[0]) | |
| (util_float_to_half(c.color[1]) << 16)); |
| break; |
| |
| default: |
| OUT_CB(float_to_fixed10(c.color[0]) | |
| (float_to_fixed10(c.color[3]) << 16)); |
| OUT_CB(float_to_fixed10(c.color[2]) | |
| (float_to_fixed10(c.color[1]) << 16)); |
| } |
| |
| END_CB; |
| } else { |
| union util_color uc; |
| util_pack_color(c.color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); |
| |
| BEGIN_CB(state->cb, 2); |
| OUT_CB_REG(R300_RB3D_BLEND_COLOR, uc.ui[0]); |
| END_CB; |
| } |
| |
| r300_mark_atom_dirty(r300, &r300->blend_color_state); |
| } |
| |
| static void r300_set_clip_state(struct pipe_context* pipe, |
| const struct pipe_clip_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_clip_state *clip = |
| (struct r300_clip_state*)r300->clip_state.state; |
| CB_LOCALS; |
| |
| if (r300->screen->caps.has_tcl) { |
| BEGIN_CB(clip->cb, r300->clip_state.size); |
| OUT_CB_REG(R300_VAP_PVS_VECTOR_INDX_REG, |
| (r300->screen->caps.is_r500 ? |
| R500_PVS_UCP_START : R300_PVS_UCP_START)); |
| OUT_CB_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, 6 * 4); |
| OUT_CB_TABLE(state->ucp, 6 * 4); |
| END_CB; |
| |
| r300_mark_atom_dirty(r300, &r300->clip_state); |
| } else { |
| draw_set_clip_state(r300->draw, state); |
| } |
| } |
| |
| /* Create a new depth, stencil, and alpha state based on the CSO dsa state. |
| * |
| * This contains the depth buffer, stencil buffer, alpha test, and such. |
| * On the Radeon, depth and stencil buffer setup are intertwined, which is |
| * the reason for some of the strange-looking assignments across registers. */ |
| static void* r300_create_dsa_state(struct pipe_context* pipe, |
| const struct pipe_depth_stencil_alpha_state* state) |
| { |
| boolean is_r500 = r300_screen(pipe->screen)->caps.is_r500; |
| struct r300_dsa_state* dsa = CALLOC_STRUCT(r300_dsa_state); |
| CB_LOCALS; |
| uint32_t alpha_value_fp16 = 0; |
| uint32_t z_buffer_control = 0; |
| uint32_t z_stencil_control = 0; |
| uint32_t stencil_ref_mask = 0; |
| uint32_t stencil_ref_bf = 0; |
| |
| dsa->dsa = *state; |
| |
| /* Depth test setup. - separate write mask depth for decomp flush */ |
| if (state->depth.writemask) { |
| z_buffer_control |= R300_Z_WRITE_ENABLE; |
| } |
| |
| if (state->depth.enabled) { |
| z_buffer_control |= R300_Z_ENABLE; |
| |
| z_stencil_control |= |
| (r300_translate_depth_stencil_function(state->depth.func) << |
| R300_Z_FUNC_SHIFT); |
| } |
| |
| /* Stencil buffer setup. */ |
| if (state->stencil[0].enabled) { |
| z_buffer_control |= R300_STENCIL_ENABLE; |
| 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); |
| |
| 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; |
| |
| z_buffer_control |= R300_STENCIL_FRONT_BACK; |
| 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); |
| |
| stencil_ref_bf = |
| (state->stencil[1].valuemask << R300_STENCILMASK_SHIFT) | |
| (state->stencil[1].writemask << R300_STENCILWRITEMASK_SHIFT); |
| |
| if (is_r500) { |
| z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK; |
| } else { |
| dsa->two_sided_stencil_ref = |
| (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; |
| |
| dsa->alpha_function |= float_to_ubyte(state->alpha.ref_value); |
| alpha_value_fp16 = util_float_to_half(state->alpha.ref_value); |
| } |
| |
| BEGIN_CB(&dsa->cb_begin, 8); |
| OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); |
| OUT_CB(z_buffer_control); |
| OUT_CB(z_stencil_control); |
| OUT_CB(stencil_ref_mask); |
| OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, stencil_ref_bf); |
| OUT_CB_REG(R500_FG_ALPHA_VALUE, alpha_value_fp16); |
| END_CB; |
| |
| BEGIN_CB(dsa->cb_zb_no_readwrite, 8); |
| OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); |
| OUT_CB(0); |
| OUT_CB(0); |
| OUT_CB(0); |
| OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0); |
| OUT_CB_REG(R500_FG_ALPHA_VALUE, alpha_value_fp16); |
| END_CB; |
| |
| return (void*)dsa; |
| } |
| |
| static void r300_dsa_inject_stencilref(struct r300_context *r300) |
| { |
| struct r300_dsa_state *dsa = |
| (struct r300_dsa_state*)r300->dsa_state.state; |
| |
| if (!dsa) |
| return; |
| |
| dsa->stencil_ref_mask = |
| (dsa->stencil_ref_mask & ~R300_STENCILREF_MASK) | |
| r300->stencil_ref.ref_value[0]; |
| dsa->stencil_ref_bf = |
| (dsa->stencil_ref_bf & ~R300_STENCILREF_MASK) | |
| 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_mark_atom_dirty(r300, &r300->hyperz_state); /* Will be updated before the emission. */ |
| r300_dsa_inject_stencilref(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_inject_stencilref(r300); |
| r300_mark_atom_dirty(r300, &r300->dsa_state); |
| } |
| |
| static void r300_print_fb_surf_info(struct pipe_surface *surf, unsigned index, |
| const char *binding) |
| { |
| struct pipe_resource *tex = surf->texture; |
| struct r300_resource *rtex = r300_resource(tex); |
| |
| fprintf(stderr, |
| "r300: %s[%i] Dim: %ix%i, Firstlayer: %i, " |
| "Lastlayer: %i, Level: %i, Format: %s\n" |
| |
| "r300: TEX: Macro: %s, Micro: %s, " |
| "Dim: %ix%ix%i, LastLevel: %i, Format: %s\n", |
| |
| binding, index, surf->width, surf->height, |
| surf->u.tex.first_layer, surf->u.tex.last_layer, surf->u.tex.level, |
| util_format_short_name(surf->format), |
| |
| rtex->tex.macrotile[0] ? "YES" : " NO", |
| rtex->tex.microtile ? "YES" : " NO", |
| tex->width0, tex->height0, tex->depth0, |
| tex->last_level, util_format_short_name(surf->format)); |
| } |
| |
| void r300_mark_fb_state_dirty(struct r300_context *r300, |
| enum r300_fb_state_change change) |
| { |
| struct pipe_framebuffer_state *state = r300->fb_state.state; |
| |
| r300_mark_atom_dirty(r300, &r300->gpu_flush); |
| r300_mark_atom_dirty(r300, &r300->fb_state); |
| |
| /* What is marked as dirty depends on the enum r300_fb_state_change. */ |
| if (change == R300_CHANGED_FB_STATE) { |
| r300_mark_atom_dirty(r300, &r300->aa_state); |
| r300_mark_atom_dirty(r300, &r300->dsa_state); /* for AlphaRef */ |
| r300_set_blend_color(&r300->context, r300->blend_color_state.state); |
| } |
| |
| if (change == R300_CHANGED_FB_STATE || |
| change == R300_CHANGED_HYPERZ_FLAG) { |
| r300_mark_atom_dirty(r300, &r300->hyperz_state); |
| } |
| |
| if (change == R300_CHANGED_FB_STATE || |
| change == R300_CHANGED_MULTIWRITE) { |
| r300_mark_atom_dirty(r300, &r300->fb_state_pipelined); |
| } |
| |
| /* Now compute the fb_state atom size. */ |
| r300->fb_state.size = 2 + (8 * state->nr_cbufs); |
| |
| if (r300->cbzb_clear) |
| r300->fb_state.size += 10; |
| else if (state->zsbuf) { |
| r300->fb_state.size += 10; |
| if (r300->hyperz_enabled) |
| r300->fb_state.size += 8; |
| } |
| |
| if (r300->cmask_in_use) { |
| r300->fb_state.size += 6; |
| if (r300->screen->caps.is_r500 && r300->screen->info.drm_minor >= 29) { |
| r300->fb_state.size += 3; |
| } |
| } |
| |
| /* The size of the rest of atoms stays the same. */ |
| } |
| |
| static void |
| r300_set_framebuffer_state(struct pipe_context* pipe, |
| const struct pipe_framebuffer_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_aa_state *aa = (struct r300_aa_state*)r300->aa_state.state; |
| struct pipe_framebuffer_state *current_state = r300->fb_state.state; |
| unsigned max_width, max_height, i; |
| uint32_t zbuffer_bpp = 0; |
| boolean unlock_zbuffer = FALSE; |
| |
| 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 (current_state->zsbuf && r300->zmask_in_use && !r300->locked_zbuffer) { |
| /* There is a zmask in use, what are we gonna do? */ |
| if (state->zsbuf) { |
| if (!pipe_surface_equal(current_state->zsbuf, state->zsbuf)) { |
| /* Decompress the currently bound zbuffer before we bind another one. */ |
| r300_decompress_zmask(r300); |
| r300->hiz_in_use = FALSE; |
| } |
| } else { |
| /* We don't bind another zbuffer, so lock the current one. */ |
| pipe_surface_reference(&r300->locked_zbuffer, current_state->zsbuf); |
| } |
| } else if (r300->locked_zbuffer) { |
| /* We have a locked zbuffer now, what are we gonna do? */ |
| if (state->zsbuf) { |
| if (!pipe_surface_equal(r300->locked_zbuffer, state->zsbuf)) { |
| /* We are binding some other zbuffer, so decompress the locked one, |
| * it gets unlocked automatically. */ |
| r300_decompress_zmask_locked_unsafe(r300); |
| r300->hiz_in_use = FALSE; |
| } else { |
| /* We are binding the locked zbuffer again, so unlock it. */ |
| unlock_zbuffer = TRUE; |
| } |
| } |
| } |
| assert(state->zsbuf || (r300->locked_zbuffer && !unlock_zbuffer) || !r300->zmask_in_use); |
| |
| /* If zsbuf is set from NULL to non-NULL or vice versa.. */ |
| if (!!current_state->zsbuf != !!state->zsbuf) { |
| r300_mark_atom_dirty(r300, &r300->dsa_state); |
| } |
| |
| util_copy_framebuffer_state(r300->fb_state.state, state); |
| |
| /* Remove trailing NULL colorbuffers. */ |
| while (current_state->nr_cbufs && !current_state->cbufs[current_state->nr_cbufs-1]) |
| current_state->nr_cbufs--; |
| |
| /* Set whether CMASK can be used. */ |
| r300->cmask_in_use = |
| state->nr_cbufs == 1 && state->cbufs[0] && |
| r300->screen->cmask_resource == state->cbufs[0]->texture; |
| |
| /* Need to reset clamping or colormask. */ |
| r300_mark_atom_dirty(r300, &r300->blend_state); |
| |
| /* Re-swizzle the blend color. */ |
| r300_set_blend_color(pipe, &((struct r300_blend_color_state*)r300->blend_color_state.state)->state); |
| |
| if (unlock_zbuffer) { |
| pipe_surface_reference(&r300->locked_zbuffer, NULL); |
| } |
| |
| r300_mark_fb_state_dirty(r300, R300_CHANGED_FB_STATE); |
| |
| if (state->zsbuf) { |
| switch (util_format_get_blocksize(state->zsbuf->format)) { |
| case 2: |
| zbuffer_bpp = 16; |
| break; |
| case 4: |
| zbuffer_bpp = 24; |
| break; |
| } |
| |
| /* Polygon offset depends on the zbuffer bit depth. */ |
| if (r300->zbuffer_bpp != zbuffer_bpp) { |
| r300->zbuffer_bpp = zbuffer_bpp; |
| |
| if (r300->polygon_offset_enabled) |
| r300_mark_atom_dirty(r300, &r300->rs_state); |
| } |
| } |
| |
| r300->num_samples = util_framebuffer_get_num_samples(state); |
| |
| /* Set up AA config. */ |
| if (r300->num_samples > 1) { |
| switch (r300->num_samples) { |
| case 2: |
| aa->aa_config = R300_GB_AA_CONFIG_AA_ENABLE | |
| R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_2; |
| break; |
| case 4: |
| aa->aa_config = R300_GB_AA_CONFIG_AA_ENABLE | |
| R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_4; |
| break; |
| case 6: |
| aa->aa_config = R300_GB_AA_CONFIG_AA_ENABLE | |
| R300_GB_AA_CONFIG_NUM_AA_SUBSAMPLES_6; |
| break; |
| } |
| } else { |
| aa->aa_config = 0; |
| } |
| |
| if (DBG_ON(r300, DBG_FB)) { |
| fprintf(stderr, "r300: set_framebuffer_state:\n"); |
| for (i = 0; i < state->nr_cbufs; i++) { |
| if (state->cbufs[i]) |
| r300_print_fb_surf_info(state->cbufs[i], i, "CB"); |
| } |
| if (state->zsbuf) { |
| r300_print_fb_surf_info(state->zsbuf, 0, "ZB"); |
| } |
| } |
| } |
| |
| /* 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_mark_atom_dirty(r300, &r300->fs); |
| r300_mark_atom_dirty(r300, &r300->fs_rc_constant_state); |
| r300_mark_atom_dirty(r300, &r300->fs_constants); |
| r300->fs.size = fs->shader->cb_code_size; |
| |
| if (r300->screen->caps.is_r500) { |
| 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_rc_constant_state.size = fs->shader->rc_state_count * 5; |
| r300->fs_constants.size = fs->shader->externals_count * 4 + 1; |
| } |
| |
| ((struct r300_constant_buffer*)r300->fs_constants.state)->remap_table = |
| fs->shader->code.constants_remap_table; |
| } |
| |
| /* 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) { |
| r300->fs.state = NULL; |
| return; |
| } |
| |
| r300->fs.state = fs; |
| r300->fs_status = FRAGMENT_SHADER_DIRTY; |
| |
| r300_mark_atom_dirty(r300, &r300->rs_block_state); /* 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->cb_code); |
| 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) |
| { |
| } |
| |
| /* 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); |
| uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */ |
| uint32_t vap_clip_cntl; /* R300_VAP_CLIP_CNTL: 0x221C */ |
| uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */ |
| uint32_t point_minmax; /* R300_GA_POINT_MINMAX: 0x4230 */ |
| uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */ |
| uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */ |
| uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */ |
| uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */ |
| uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */ |
| uint32_t polygon_mode; /* R300_GA_POLY_MODE: 0x4288 */ |
| uint32_t clip_rule; /* R300_SC_CLIP_RULE: 0x43D0 */ |
| uint32_t round_mode; /* R300_GA_ROUND_MODE: 0x428c */ |
| |
| /* Point sprites texture coordinates, 0: lower left, 1: upper right */ |
| float point_texcoord_left = 0; /* R300_GA_POINT_S0: 0x4200 */ |
| float point_texcoord_bottom = 0;/* R300_GA_POINT_T0: 0x4204 */ |
| float point_texcoord_right = 1; /* R300_GA_POINT_S1: 0x4208 */ |
| float point_texcoord_top = 0; /* R300_GA_POINT_T1: 0x420c */ |
| boolean vclamp = !r300_context(pipe)->screen->caps.is_r500; |
| CB_LOCALS; |
| |
| /* Copy rasterizer state. */ |
| rs->rs = *state; |
| rs->rs_draw = *state; |
| |
| rs->rs.sprite_coord_enable = state->point_quad_rasterization * |
| state->sprite_coord_enable; |
| |
| /* Override some states for Draw. */ |
| rs->rs_draw.sprite_coord_enable = 0; /* We can do this in HW. */ |
| rs->rs_draw.offset_point = 0; |
| rs->rs_draw.offset_line = 0; |
| rs->rs_draw.offset_tri = 0; |
| rs->rs_draw.offset_clamp = 0; |
| |
| #ifdef PIPE_ARCH_LITTLE_ENDIAN |
| vap_control_status = R300_VC_NO_SWAP; |
| #else |
| 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) { |
| vap_control_status |= R300_VAP_TCL_BYPASS; |
| } |
| |
| /* Point size width and height. */ |
| 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] */ |
| float min_psiz = util_get_min_point_size(state); |
| float max_psiz = pipe->screen->get_paramf(pipe->screen, |
| PIPE_CAPF_MAX_POINT_WIDTH); |
| point_minmax = |
| (pack_float_16_6x(min_psiz) << R300_GA_POINT_MINMAX_MIN_SHIFT) | |
| (pack_float_16_6x(max_psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT); |
| } else { |
| /* We cannot disable the point-size vertex output, |
| * so clamp it. */ |
| float psiz = state->point_size; |
| 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. */ |
| line_control = pack_float_16_6x(state->line_width) | |
| R300_GA_LINE_CNTL_END_TYPE_COMP; |
| |
| /* Enable polygon mode */ |
| polygon_mode = 0; |
| if (state->fill_front != PIPE_POLYGON_MODE_FILL || |
| state->fill_back != PIPE_POLYGON_MODE_FILL) { |
| polygon_mode = R300_GA_POLY_MODE_DUAL; |
| } |
| |
| /* Front face */ |
| if (state->front_ccw) |
| cull_mode = R300_FRONT_FACE_CCW; |
| else |
| cull_mode = R300_FRONT_FACE_CW; |
| |
| /* Polygon offset */ |
| polygon_offset_enable = 0; |
| if (util_get_offset(state, state->fill_front)) { |
| polygon_offset_enable |= R300_FRONT_ENABLE; |
| } |
| if (util_get_offset(state, state->fill_back)) { |
| polygon_offset_enable |= R300_BACK_ENABLE; |
| } |
| |
| rs->polygon_offset_enable = polygon_offset_enable != 0; |
| |
| /* Polygon mode */ |
| if (polygon_mode) { |
| polygon_mode |= |
| r300_translate_polygon_mode_front(state->fill_front); |
| polygon_mode |= |
| r300_translate_polygon_mode_back(state->fill_back); |
| } |
| |
| if (state->cull_face & PIPE_FACE_FRONT) { |
| cull_mode |= R300_CULL_FRONT; |
| } |
| if (state->cull_face & PIPE_FACE_BACK) { |
| cull_mode |= R300_CULL_BACK; |
| } |
| |
| if (state->line_stipple_enable) { |
| 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 */ |
| line_stipple_value = state->line_stipple_pattern; |
| } else { |
| line_stipple_config = 0; |
| line_stipple_value = 0; |
| } |
| |
| if (state->flatshade) { |
| rs->color_control = R300_SHADE_MODEL_FLAT; |
| } else { |
| rs->color_control = R300_SHADE_MODEL_SMOOTH; |
| } |
| |
| clip_rule = state->scissor ? 0xAAAA : 0xFFFF; |
| |
| /* Point sprites coord mode */ |
| if (rs->rs.sprite_coord_enable) { |
| switch (state->sprite_coord_mode) { |
| case PIPE_SPRITE_COORD_UPPER_LEFT: |
| point_texcoord_top = 0.0f; |
| point_texcoord_bottom = 1.0f; |
| break; |
| case PIPE_SPRITE_COORD_LOWER_LEFT: |
| point_texcoord_top = 1.0f; |
| point_texcoord_bottom = 0.0f; |
| break; |
| } |
| } |
| |
| if (r300_screen(pipe->screen)->caps.has_tcl) { |
| vap_clip_cntl = (state->clip_plane_enable & 63) | |
| R300_PS_UCP_MODE_CLIP_AS_TRIFAN; |
| } else { |
| vap_clip_cntl = R300_CLIP_DISABLE; |
| } |
| |
| /* Vertex color clamping. FP20 means no clamping. */ |
| round_mode = |
| R300_GA_ROUND_MODE_GEOMETRY_ROUND_NEAREST | |
| (!vclamp ? (R300_GA_ROUND_MODE_RGB_CLAMP_FP20 | |
| R300_GA_ROUND_MODE_ALPHA_CLAMP_FP20) : 0); |
| |
| /* Build the main command buffer. */ |
| BEGIN_CB(rs->cb_main, RS_STATE_MAIN_SIZE); |
| OUT_CB_REG(R300_VAP_CNTL_STATUS, vap_control_status); |
| OUT_CB_REG(R300_VAP_CLIP_CNTL, vap_clip_cntl); |
| OUT_CB_REG(R300_GA_POINT_SIZE, point_size); |
| OUT_CB_REG_SEQ(R300_GA_POINT_MINMAX, 2); |
| OUT_CB(point_minmax); |
| OUT_CB(line_control); |
| OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_ENABLE, 2); |
| OUT_CB(polygon_offset_enable); |
| rs->cull_mode_index = 11; |
| OUT_CB(cull_mode); |
| OUT_CB_REG(R300_GA_LINE_STIPPLE_CONFIG, line_stipple_config); |
| OUT_CB_REG(R300_GA_LINE_STIPPLE_VALUE, line_stipple_value); |
| OUT_CB_REG(R300_GA_POLY_MODE, polygon_mode); |
| OUT_CB_REG(R300_GA_ROUND_MODE, round_mode); |
| OUT_CB_REG(R300_SC_CLIP_RULE, clip_rule); |
| OUT_CB_REG_SEQ(R300_GA_POINT_S0, 4); |
| OUT_CB_32F(point_texcoord_left); |
| OUT_CB_32F(point_texcoord_bottom); |
| OUT_CB_32F(point_texcoord_right); |
| OUT_CB_32F(point_texcoord_top); |
| END_CB; |
| |
| /* Build the two command buffers for polygon offset setup. */ |
| if (polygon_offset_enable) { |
| float scale = state->offset_scale * 12; |
| float offset = state->offset_units * 4; |
| |
| BEGIN_CB(rs->cb_poly_offset_zb16, 5); |
| OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4); |
| OUT_CB_32F(scale); |
| OUT_CB_32F(offset); |
| OUT_CB_32F(scale); |
| OUT_CB_32F(offset); |
| END_CB; |
| |
| offset = state->offset_units * 2; |
| |
| BEGIN_CB(rs->cb_poly_offset_zb24, 5); |
| OUT_CB_REG_SEQ(R300_SU_POLY_OFFSET_FRONT_SCALE, 4); |
| OUT_CB_32F(scale); |
| OUT_CB_32F(offset); |
| OUT_CB_32F(scale); |
| OUT_CB_32F(offset); |
| END_CB; |
| } |
| |
| 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; |
| boolean last_msaa_enable = r300->msaa_enable; |
| boolean last_flatshade = r300->flatshade; |
| boolean last_clip_halfz = r300->clip_halfz; |
| |
| if (r300->draw && rs) { |
| draw_set_rasterizer_state(r300->draw, &rs->rs_draw, state); |
| } |
| |
| if (rs) { |
| r300->polygon_offset_enabled = rs->polygon_offset_enable; |
| r300->sprite_coord_enable = rs->rs.sprite_coord_enable; |
| r300->two_sided_color = rs->rs.light_twoside; |
| r300->msaa_enable = rs->rs.multisample; |
| r300->flatshade = rs->rs.flatshade; |
| r300->clip_halfz = rs->rs.clip_halfz; |
| } else { |
| r300->polygon_offset_enabled = FALSE; |
| r300->sprite_coord_enable = 0; |
| r300->two_sided_color = FALSE; |
| r300->msaa_enable = FALSE; |
| r300->flatshade = FALSE; |
| r300->clip_halfz = FALSE; |
| } |
| |
| UPDATE_STATE(state, r300->rs_state); |
| r300->rs_state.size = RS_STATE_MAIN_SIZE + (r300->polygon_offset_enabled ? 5 : 0); |
| |
| if (last_sprite_coord_enable != r300->sprite_coord_enable || |
| last_two_sided_color != r300->two_sided_color || |
| last_flatshade != r300->flatshade) { |
| r300_mark_atom_dirty(r300, &r300->rs_block_state); |
| } |
| |
| if (last_msaa_enable != r300->msaa_enable) { |
| if (r300->alpha_to_coverage) { |
| r300_mark_atom_dirty(r300, &r300->dsa_state); |
| } |
| |
| if (r300->alpha_to_one && |
| r300->fs_status == FRAGMENT_SHADER_VALID) { |
| r300->fs_status = FRAGMENT_SHADER_MAYBE_DIRTY; |
| } |
| } |
| |
| if (r300->screen->caps.has_tcl && last_clip_halfz != r300->clip_halfz) { |
| r300_mark_atom_dirty(r300, &r300->vs_state); |
| } |
| } |
| |
| /* 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; |
| |
| sampler->state = *state; |
| |
| /* r300 doesn't handle CLAMP and MIRROR_CLAMP correctly when either MAG |
| * or MIN filter is NEAREST. Since texwrap produces same results |
| * for CLAMP and CLAMP_TO_EDGE, we use them instead. */ |
| if (sampler->state.min_img_filter == PIPE_TEX_FILTER_NEAREST || |
| sampler->state.mag_img_filter == PIPE_TEX_FILTER_NEAREST) { |
| /* Wrap S. */ |
| if (sampler->state.wrap_s == PIPE_TEX_WRAP_CLAMP) |
| sampler->state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| else if (sampler->state.wrap_s == PIPE_TEX_WRAP_MIRROR_CLAMP) |
| sampler->state.wrap_s = PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE; |
| |
| /* Wrap T. */ |
| if (sampler->state.wrap_t == PIPE_TEX_WRAP_CLAMP) |
| sampler->state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| else if (sampler->state.wrap_t == PIPE_TEX_WRAP_MIRROR_CLAMP) |
| sampler->state.wrap_t = PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE; |
| |
| /* Wrap R. */ |
| if (sampler->state.wrap_r == PIPE_TEX_WRAP_CLAMP) |
| sampler->state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| else if (sampler->state.wrap_r == PIPE_TEX_WRAP_MIRROR_CLAMP) |
| sampler->state.wrap_r = PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE; |
| } |
| |
| sampler->filter0 |= |
| (r300_translate_wrap(sampler->state.wrap_s) << R300_TX_WRAP_S_SHIFT) | |
| (r300_translate_wrap(sampler->state.wrap_t) << R300_TX_WRAP_T_SHIFT) | |
| (r300_translate_wrap(sampler->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 > 1); |
| |
| 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 = (unsigned)MAX2(state->min_lod, 0); |
| sampler->max_lod = (unsigned)MAX2(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) & R300_LOD_BIAS_MASK; |
| |
| /* 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); |
| } |
| |
| /* 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, |
| enum pipe_shader_type shader, |
| unsigned start, 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; |
| |
| assert(start == 0); |
| |
| if (shader != PIPE_SHADER_FRAGMENT) |
| return; |
| |
| if (count > tex_units) |
| return; |
| |
| memcpy(state->sampler_states, states, sizeof(void*) * count); |
| state->sampler_state_count = count; |
| |
| r300_mark_atom_dirty(r300, &r300->textures_state); |
| } |
| |
| static void r300_delete_sampler_state(struct pipe_context* pipe, void* state) |
| { |
| FREE(state); |
| } |
| |
| static uint32_t r300_assign_texture_cache_region(unsigned index, unsigned num) |
| { |
| /* This looks like a hack, but I believe it's suppose to work like |
| * that. To illustrate how this works, let's assume you have 5 textures. |
| * From docs, 5 and the successive numbers are: |
| * |
| * FOURTH_1 = 5 |
| * FOURTH_2 = 6 |
| * FOURTH_3 = 7 |
| * EIGHTH_0 = 8 |
| * EIGHTH_1 = 9 |
| * |
| * First 3 textures will get 3/4 of size of the cache, divived evenly |
| * between them. The last 1/4 of the cache must be divided between |
| * the last 2 textures, each will therefore get 1/8 of the cache. |
| * Why not just to use "5 + texture_index" ? |
| * |
| * This simple trick works for all "num" <= 16. |
| */ |
| if (num <= 1) |
| return R300_TX_CACHE(R300_TX_CACHE_WHOLE); |
| else |
| return R300_TX_CACHE(num + index); |
| } |
| |
| static void r300_set_sampler_views(struct pipe_context* pipe, |
| enum pipe_shader_type shader, |
| unsigned start, 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_resource *texture; |
| unsigned i, real_num_views = 0, view_index = 0; |
| unsigned tex_units = r300->screen->caps.num_tex_units; |
| boolean dirty_tex = FALSE; |
| |
| if (shader != PIPE_SHADER_FRAGMENT) |
| return; |
| |
| assert(start == 0); /* non-zero not handled yet */ |
| |
| if (count > tex_units) { |
| return; |
| } |
| |
| /* Calculate the real number of views. */ |
| for (i = 0; i < count; i++) { |
| if (views[i]) |
| real_num_views++; |
| } |
| |
| for (i = 0; i < count; 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_resource(views[i]->texture); |
| if (texture->tex.is_npot) { |
| r300_mark_atom_dirty(r300, &r300->fs_rc_constant_state); |
| } |
| |
| state->sampler_views[i]->texcache_region = |
| r300_assign_texture_cache_region(view_index, real_num_views); |
| view_index++; |
| } |
| |
| 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_mark_atom_dirty(r300, &r300->textures_state); |
| |
| if (dirty_tex) { |
| r300_mark_atom_dirty(r300, &r300->texture_cache_inval); |
| } |
| } |
| |
| struct pipe_sampler_view * |
| r300_create_sampler_view_custom(struct pipe_context *pipe, |
| struct pipe_resource *texture, |
| const struct pipe_sampler_view *templ, |
| unsigned width0_override, |
| unsigned height0_override) |
| { |
| struct r300_sampler_view *view = CALLOC_STRUCT(r300_sampler_view); |
| struct r300_resource *tex = r300_resource(texture); |
| boolean is_r500 = r300_screen(pipe->screen)->caps.is_r500; |
| boolean dxtc_swizzle = r300_screen(pipe->screen)->caps.dxtc_swizzle; |
| |
| if (view) { |
| unsigned hwformat; |
| |
| view->base = *templ; |
| view->base.reference.count = 1; |
| view->base.context = pipe; |
| view->base.texture = NULL; |
| pipe_resource_reference(&view->base.texture, texture); |
| |
| view->width0_override = width0_override; |
| view->height0_override = height0_override; |
| view->swizzle[0] = templ->swizzle_r; |
| view->swizzle[1] = templ->swizzle_g; |
| view->swizzle[2] = templ->swizzle_b; |
| view->swizzle[3] = templ->swizzle_a; |
| |
| hwformat = r300_translate_texformat(templ->format, |
| view->swizzle, |
| is_r500, |
| dxtc_swizzle); |
| |
| if (hwformat == ~0) { |
| fprintf(stderr, "r300: Ooops. Got unsupported format %s in %s.\n", |
| util_format_short_name(templ->format), __func__); |
| } |
| assert(hwformat != ~0); |
| |
| r300_texture_setup_format_state(r300_screen(pipe->screen), tex, |
| templ->format, 0, |
| width0_override, height0_override, |
| &view->format); |
| view->format.format1 |= hwformat; |
| if (is_r500) { |
| view->format.format2 |= r500_tx_format_msb_bit(templ->format); |
| } |
| } |
| |
| return (struct pipe_sampler_view*)view; |
| } |
| |
| static struct pipe_sampler_view * |
| r300_create_sampler_view(struct pipe_context *pipe, |
| struct pipe_resource *texture, |
| const struct pipe_sampler_view *templ) |
| { |
| return r300_create_sampler_view_custom(pipe, texture, templ, |
| r300_resource(texture)->tex.width0, |
| r300_resource(texture)->tex.height0); |
| } |
| |
| |
| 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_sample_mask(struct pipe_context *pipe, |
| unsigned mask) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| *((unsigned*)r300->sample_mask.state) = mask; |
| |
| r300_mark_atom_dirty(r300, &r300->sample_mask); |
| } |
| |
| static void r300_set_scissor_states(struct pipe_context* pipe, |
| unsigned start_slot, |
| unsigned num_scissors, |
| 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_mark_atom_dirty(r300, &r300->scissor_state); |
| } |
| |
| static void r300_set_viewport_states(struct pipe_context* pipe, |
| unsigned start_slot, |
| unsigned num_viewports, |
| 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; |
| |
| if (r300->draw) { |
| draw_set_viewport_states(r300->draw, start_slot, num_viewports, state); |
| viewport->vte_control = R300_VTX_XY_FMT | R300_VTX_Z_FMT; |
| return; |
| } |
| |
| /* 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_mark_atom_dirty(r300, &r300->viewport_state); |
| if (r300->fs.state && r300_fs(r300)->shader && |
| r300_fs(r300)->shader->inputs.wpos != ATTR_UNUSED) { |
| r300_mark_atom_dirty(r300, &r300->fs_rc_constant_state); |
| } |
| } |
| |
| static void r300_set_vertex_buffers_hwtcl(struct pipe_context* pipe, |
| unsigned start_slot, unsigned count, |
| const struct pipe_vertex_buffer* buffers) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| util_set_vertex_buffers_count(r300->vertex_buffer, |
| &r300->nr_vertex_buffers, |
| buffers, start_slot, count); |
| |
| /* There must be at least one vertex buffer set, otherwise it locks up. */ |
| if (!r300->nr_vertex_buffers) { |
| util_set_vertex_buffers_count(r300->vertex_buffer, |
| &r300->nr_vertex_buffers, |
| &r300->dummy_vb, 0, 1); |
| } |
| |
| r300->vertex_arrays_dirty = TRUE; |
| } |
| |
| static void r300_set_vertex_buffers_swtcl(struct pipe_context* pipe, |
| unsigned start_slot, unsigned count, |
| const struct pipe_vertex_buffer* buffers) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| unsigned i; |
| |
| util_set_vertex_buffers_count(r300->vertex_buffer, |
| &r300->nr_vertex_buffers, |
| buffers, start_slot, count); |
| draw_set_vertex_buffers(r300->draw, start_slot, count, buffers); |
| |
| if (!buffers) |
| return; |
| |
| for (i = 0; i < count; i++) { |
| if (buffers[i].user_buffer) { |
| draw_set_mapped_vertex_buffer(r300->draw, start_slot + i, |
| buffers[i].user_buffer, ~0); |
| } else if (buffers[i].buffer) { |
| draw_set_mapped_vertex_buffer(r300->draw, start_slot + i, |
| r300_resource(buffers[i].buffer)->malloced_buffer, ~0); |
| } |
| } |
| } |
| |
| static void r300_set_index_buffer_hwtcl(struct pipe_context* pipe, |
| const struct pipe_index_buffer *ib) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (ib) { |
| pipe_resource_reference(&r300->index_buffer.buffer, ib->buffer); |
| memcpy(&r300->index_buffer, ib, sizeof(*ib)); |
| } else { |
| pipe_resource_reference(&r300->index_buffer.buffer, NULL); |
| } |
| } |
| |
| static void r300_set_index_buffer_swtcl(struct pipe_context* pipe, |
| const struct pipe_index_buffer *ib) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (ib) { |
| const void *buf = NULL; |
| if (ib->user_buffer) { |
| buf = ib->user_buffer; |
| } else if (ib->buffer) { |
| buf = r300_resource(ib->buffer)->malloced_buffer; |
| } |
| draw_set_indexes(r300->draw, |
| (const ubyte *) buf + ib->offset, |
| ib->index_size, ~0); |
| } |
| } |
| |
| /* Initialize 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; |
| |
| /* 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); |
| if (type == R300_INVALID_FORMAT) { |
| fprintf(stderr, "r300: Bad vertex format %s.\n", |
| util_format_short_name(format)); |
| assert(0); |
| abort(); |
| } |
| |
| type |= 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; |
| struct pipe_vertex_element dummy_attrib = {0}; |
| |
| /* R300 Programmable Stream Control (PSC) doesn't support 0 vertex elements. */ |
| if (!count) { |
| dummy_attrib.src_format = PIPE_FORMAT_R8G8B8A8_UNORM; |
| attribs = &dummy_attrib; |
| count = 1; |
| } else if (count > 16) { |
| fprintf(stderr, "r300: More than 16 vertex elements are not supported," |
| " requested %i, using 16.\n", count); |
| count = 16; |
| } |
| |
| velems = CALLOC_STRUCT(r300_vertex_element_state); |
| if (!velems) |
| return NULL; |
| |
| velems->count = count; |
| memcpy(velems->velem, attribs, sizeof(struct pipe_vertex_element) * count); |
| |
| if (r300_screen(pipe->screen)->caps.has_tcl) { |
| /* Setup PSC. |
| * The unused components will be replaced by (..., 0, 1). */ |
| r300_vertex_psc(velems); |
| |
| for (i = 0; i < count; i++) { |
| velems->format_size[i] = |
| align(util_format_get_blocksize(velems->velem[i].src_format), 4); |
| velems->vertex_size_dwords += velems->format_size[i] / 4; |
| } |
| } |
| |
| 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) { |
| return; |
| } |
| |
| r300->velems = velems; |
| |
| if (r300->draw) { |
| draw_set_vertex_elements(r300->draw, velems->count, velems->velem); |
| return; |
| } |
| |
| UPDATE_STATE(&velems->vertex_stream, r300->vertex_stream_state); |
| r300->vertex_stream_state.size = (1 + velems->vertex_stream.count) * 2; |
| r300->vertex_arrays_dirty = TRUE; |
| } |
| |
| 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_init_vs_outputs(r300, vs); |
| r300_translate_vertex_shader(r300, vs); |
| } else { |
| r300_draw_init_vertex_shader(r300, vs); |
| } |
| |
| 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) { |
| 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_mark_atom_dirty(r300, &r300->rs_block_state); /* Will be updated before the emission. */ |
| |
| if (r300->screen->caps.has_tcl) { |
| unsigned fc_op_dwords = r300->screen->caps.is_r500 ? 3 : 2; |
| r300_mark_atom_dirty(r300, &r300->vs_state); |
| r300->vs_state.size = vs->code.length + 9 + |
| (R300_VS_MAX_FC_OPS * fc_op_dwords + 4); |
| |
| r300_mark_atom_dirty(r300, &r300->vs_constants); |
| r300->vs_constants.size = |
| 2 + |
| (vs->externals_count ? vs->externals_count * 4 + 3 : 0) + |
| (vs->immediates_count ? vs->immediates_count * 4 + 3 : 0); |
| |
| ((struct r300_constant_buffer*)r300->vs_constants.state)->remap_table = |
| vs->code.constants_remap_table; |
| |
| r300_mark_atom_dirty(r300, &r300->pvs_flush); |
| } else { |
| 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); |
| FREE(vs->code.constants_remap_table); |
| } 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, |
| const struct pipe_constant_buffer *cb) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_constant_buffer *cbuf; |
| uint32_t *mapped; |
| |
| if (!cb || (!cb->buffer && !cb->user_buffer)) |
| return; |
| |
| switch (shader) { |
| case PIPE_SHADER_VERTEX: |
| cbuf = (struct r300_constant_buffer*)r300->vs_constants.state; |
| break; |
| case PIPE_SHADER_FRAGMENT: |
| cbuf = (struct r300_constant_buffer*)r300->fs_constants.state; |
| break; |
| default: |
| return; |
| } |
| |
| |
| if (cb->user_buffer) |
| mapped = (uint32_t*)cb->user_buffer; |
| else { |
| struct r300_resource *rbuf = r300_resource(cb->buffer); |
| |
| if (rbuf && rbuf->malloced_buffer) |
| mapped = (uint32_t*)rbuf->malloced_buffer; |
| else |
| return; |
| } |
| |
| if (shader == PIPE_SHADER_FRAGMENT || |
| (shader == PIPE_SHADER_VERTEX && r300->screen->caps.has_tcl)) { |
| cbuf->ptr = mapped; |
| } |
| |
| if (shader == PIPE_SHADER_VERTEX) { |
| if (r300->screen->caps.has_tcl) { |
| struct r300_vertex_shader *vs = |
| (struct r300_vertex_shader*)r300->vs_state.state; |
| |
| if (!vs) { |
| cbuf->buffer_base = 0; |
| return; |
| } |
| |
| cbuf->buffer_base = r300->vs_const_base; |
| r300->vs_const_base += vs->code.constants.Count; |
| if (r300->vs_const_base > R500_MAX_PVS_CONST_VECS) { |
| r300->vs_const_base = vs->code.constants.Count; |
| cbuf->buffer_base = 0; |
| r300_mark_atom_dirty(r300, &r300->pvs_flush); |
| } |
| r300_mark_atom_dirty(r300, &r300->vs_constants); |
| } else if (r300->draw) { |
| draw_set_mapped_constant_buffer(r300->draw, PIPE_SHADER_VERTEX, |
| 0, mapped, cb->buffer_size); |
| } |
| } else if (shader == PIPE_SHADER_FRAGMENT) { |
| r300_mark_atom_dirty(r300, &r300->fs_constants); |
| } |
| } |
| |
| static void r300_texture_barrier(struct pipe_context *pipe) |
| { |
| struct r300_context *r300 = r300_context(pipe); |
| |
| r300_mark_atom_dirty(r300, &r300->gpu_flush); |
| r300_mark_atom_dirty(r300, &r300->texture_cache_inval); |
| } |
| |
| static void r300_memory_barrier(struct pipe_context *pipe, unsigned flags) |
| { |
| } |
| |
| 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_sample_mask = r300_set_sample_mask; |
| |
| 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_sampler_states = r300_bind_sampler_states; |
| r300->context.delete_sampler_state = r300_delete_sampler_state; |
| |
| r300->context.set_sampler_views = r300_set_sampler_views; |
| r300->context.create_sampler_view = r300_create_sampler_view; |
| r300->context.sampler_view_destroy = r300_sampler_view_destroy; |
| |
| r300->context.set_scissor_states = r300_set_scissor_states; |
| |
| r300->context.set_viewport_states = r300_set_viewport_states; |
| |
| if (r300->screen->caps.has_tcl) { |
| r300->context.set_vertex_buffers = r300_set_vertex_buffers_hwtcl; |
| r300->context.set_index_buffer = r300_set_index_buffer_hwtcl; |
| } else { |
| r300->context.set_vertex_buffers = r300_set_vertex_buffers_swtcl; |
| r300->context.set_index_buffer = r300_set_index_buffer_swtcl; |
| } |
| |
| 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; |
| |
| r300->context.texture_barrier = r300_texture_barrier; |
| r300->context.memory_barrier = r300_memory_barrier; |
| } |