/* * Copyright 2008 Corbin Simpson * Copyright 2009 Marek Olšák * * 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_math.h" #include "util/u_memory.h" #include "util/u_pack_color.h" #include "tgsi/tgsi_parse.h" #include "pipe/p_config.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.h" #include "r300_state_inlines.h" #include "r300_fs.h" #include "r300_texture.h" #include "r300_vs.h" #include "r300_winsys.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; \ atom.dirty = TRUE; \ } 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 bgra_cmask(unsigned mask) { /* Gallium uses RGBA color ordering while R300 expects BGRA. */ return ((mask & PIPE_MASK_R) << 2) | ((mask & PIPE_MASK_B) >> 2) | (mask & (PIPE_MASK_G | PIPE_MASK_A)); } /* 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); if (state->rt[0].blend_enable) { unsigned eqRGB = state->rt[0].rgb_func; unsigned srcRGB = state->rt[0].rgb_src_factor; unsigned dstRGB = state->rt[0].rgb_dst_factor; unsigned eqA = state->rt[0].alpha_func; unsigned srcA = state->rt[0].alpha_src_factor; unsigned dstA = state->rt[0].alpha_dst_factor; /* despite the name, ALPHA_BLEND_ENABLE has nothing to do with alpha, * this is just the crappy D3D naming */ blend->blend_control = R300_ALPHA_BLEND_ENABLE | r300_translate_blend_function(eqRGB) | ( r300_translate_blend_factor(srcRGB) << R300_SRC_BLEND_SHIFT) | ( r300_translate_blend_factor(dstRGB) << R300_DST_BLEND_SHIFT); /* 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->blend_control |= R300_READ_ENABLE; if (r300screen->caps.is_r500) { /* 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)) { blend->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)) { blend->blend_control |= R500_SRC_ALPHA_1_NO_READ; } } } } /* 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->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_0; } else if (blend_discard_if_src_alpha_1(srcRGB, srcA, dstRGB, dstA)) { blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_1; } else if (blend_discard_if_src_color_0(srcRGB, srcA, dstRGB, dstA)) { blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_0; } else if (blend_discard_if_src_color_1(srcRGB, srcA, dstRGB, dstA)) { blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_COLOR_1; } else if (blend_discard_if_src_alpha_color_0(srcRGB, srcA, dstRGB, dstA)) { blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_0; } else if (blend_discard_if_src_alpha_color_1(srcRGB, srcA, dstRGB, dstA)) { blend->blend_control |= R300_DISCARD_SRC_PIXELS_SRC_ALPHA_COLOR_1; } } /* separate alpha */ if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB) { blend->blend_control |= R300_SEPARATE_ALPHA_ENABLE; blend->alpha_blend_control = r300_translate_blend_function(eqA) | (r300_translate_blend_factor(srcA) << R300_SRC_BLEND_SHIFT) | (r300_translate_blend_factor(dstA) << R300_DST_BLEND_SHIFT); } } /* PIPE_LOGICOP_* don't need to be translated, fortunately. */ if (state->logicop_enable) { blend->rop = R300_RB3D_ROPCNTL_ROP_ENABLE | (state->logicop_func) << R300_RB3D_ROPCNTL_ROP_SHIFT; } /* Color channel masks for all MRTs. */ blend->color_channel_mask = bgra_cmask(state->rt[0].colormask); if (r300screen->caps.is_r500 && state->independent_blend_enable) { if (state->rt[1].blend_enable) { blend->color_channel_mask |= bgra_cmask(state->rt[1].colormask) << 4; } if (state->rt[2].blend_enable) { blend->color_channel_mask |= bgra_cmask(state->rt[2].colormask) << 8; } if (state->rt[3].blend_enable) { blend->color_channel_mask |= bgra_cmask(state->rt[3].colormask) << 12; } } /* 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) { blend->dither = R300_RB3D_DITHER_CTL_DITHER_MODE_LUT | R300_RB3D_DITHER_CTL_ALPHA_DITHER_MODE_LUT; } */ 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); UPDATE_STATE(state, r300->blend_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 r300_blend_color_state* state = (struct r300_blend_color_state*)r300->blend_color_state.state; union util_color uc; util_pack_color(color->color, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); state->blend_color = uc.ui; /* XXX if FP16 blending is enabled, we should use the FP16 format */ state->blend_color_red_alpha = float_to_fixed10(color->color[0]) | (float_to_fixed10(color->color[3]) << 16); state->blend_color_green_blue = float_to_fixed10(color->color[2]) | (float_to_fixed10(color->color[1]) << 16); r300->blend_color_state.size = r300->screen->caps.is_r500 ? 3 : 2; r300->blend_color_state.dirty = TRUE; } static void r300_set_clip_state(struct pipe_context* pipe, const struct pipe_clip_state* state) { struct r300_context* r300 = r300_context(pipe); r300->clip = *state; if (r300->screen->caps.has_tcl) { memcpy(r300->clip_state.state, state, sizeof(struct pipe_clip_state)); r300->clip_state.size = 29; } else { draw_flush(r300->draw); draw_set_clip_state(r300->draw, state); r300->clip_state.size = 2; } r300->clip_state.dirty = TRUE; } /* 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) { 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[level], 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[level], 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) + 11; /* 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; /* 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; } rs->point_size = pack_float_16_6x(state->point_size) | (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT); 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; /* XXX Disable point sprites until we know what's wrong with them. */ rs->rs.sprite_coord_enable = 0; /* Point sprites */ if (rs->rs.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; 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; } else { r300->polygon_offset_enabled = FALSE; r300->sprite_coord_enable = 0; } UPDATE_STATE(state, r300->rs_state); r300->rs_state.size = 26 + (r300->polygon_offset_enabled ? 5 : 0); if (last_sprite_coord_enable != r300->sprite_coord_enable) { 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 << 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); unsigned char swizzle[4]; 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); swizzle[0] = templ->swizzle_r; swizzle[1] = templ->swizzle_g; swizzle[2] = templ->swizzle_b; swizzle[3] = templ->swizzle_a; view->format = tex->tx_format; view->format.format1 |= r300_translate_texformat(templ->format, 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_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; }