| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@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_math.h" |
| #include "util/u_memory.h" |
| #include "util/u_pack_color.h" |
| |
| #include "tgsi/tgsi_parse.h" |
| |
| #include "pipe/p_config.h" |
| #include "pipe/internal/p_winsys_screen.h" |
| |
| #include "r300_context.h" |
| #include "r300_reg.h" |
| #include "r300_screen.h" |
| #include "r300_state_inlines.h" |
| #include "r300_fs.h" |
| #include "r300_vs.h" |
| |
| /* r300_state: Functions used to intialize state context by translating |
| * Gallium state objects into semi-native r300 state objects. */ |
| |
| /* 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_blend_state* blend = CALLOC_STRUCT(r300_blend_state); |
| |
| if (state->blend_enable) |
| { |
| unsigned eqRGB = state->rgb_func; |
| unsigned srcRGB = state->rgb_src_factor; |
| unsigned dstRGB = state->rgb_dst_factor; |
| |
| unsigned eqA = state->alpha_func; |
| unsigned srcA = state->alpha_src_factor; |
| unsigned dstA = state->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 */ |
| 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) |
| blend->blend_control |= R300_READ_ENABLE; |
| |
| /* XXX implement the optimization with DISCARD_SRC_PIXELS*/ |
| /* XXX implement the optimization with SRC_ALPHA_?_NO_READ */ |
| |
| /* 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 Mask */ |
| if (state->colormask & PIPE_MASK_R) { |
| blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_RED_MASK0; |
| } |
| if (state->colormask & PIPE_MASK_G) { |
| blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_GREEN_MASK0; |
| } |
| if (state->colormask & PIPE_MASK_B) { |
| blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_BLUE_MASK0; |
| } |
| if (state->colormask & PIPE_MASK_A) { |
| blend->color_channel_mask |= RB3D_COLOR_CHANNEL_MASK_ALPHA_MASK0; |
| } |
| |
| 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); |
| |
| r300->blend_state = (struct r300_blend_state*)state; |
| r300->dirty_state |= R300_NEW_BLEND; |
| } |
| |
| /* 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); |
| |
| util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, |
| &r300->blend_color_state->blend_color); |
| |
| /* XXX if FP16 blending is enabled, we should use the FP16 format */ |
| r300->blend_color_state->blend_color_red_alpha = |
| float_to_fixed10(color->color[0]) | |
| (float_to_fixed10(color->color[3]) << 16); |
| r300->blend_color_state->blend_color_green_blue = |
| float_to_fixed10(color->color[2]) | |
| (float_to_fixed10(color->color[1]) << 16); |
| |
| r300->dirty_state |= R300_NEW_BLEND_COLOR; |
| } |
| |
| static void r300_set_clip_state(struct pipe_context* pipe, |
| const struct pipe_clip_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (r300_screen(pipe->screen)->caps->has_tcl) { |
| r300->clip_state = *state; |
| r300->dirty_state |= R300_NEW_CLIP; |
| } else { |
| draw_flush(r300->draw); |
| 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) |
| { |
| struct r300_capabilities *caps = |
| r300_screen(r300_context(pipe)->context.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].ref_value) | |
| (state->stencil[0].valuemask << R300_STENCILMASK_SHIFT) | |
| (state->stencil[0].writemask << R300_STENCILWRITEMASK_SHIFT); |
| |
| if (state->stencil[1].enabled) { |
| 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); |
| |
| /* XXX it seems r3xx doesn't support STENCILREFMASK_BF */ |
| if (caps->is_r500) |
| { |
| dsa->z_buffer_control |= R500_STENCIL_REFMASK_FRONT_BACK; |
| dsa->stencil_ref_bf = (state->stencil[1].ref_value) | |
| (state->stencil[1].valuemask << |
| R300_STENCILMASK_SHIFT) | |
| (state->stencil[1].writemask << |
| R300_STENCILWRITEMASK_SHIFT); |
| } |
| } |
| } |
| |
| /* Alpha test setup. */ |
| if (state->alpha.enabled) { |
| dsa->alpha_function = |
| r300_translate_alpha_function(state->alpha.func) | |
| R300_FG_ALPHA_FUNC_ENABLE; |
| |
| /* XXX figure out why emitting 10bit alpha ref causes CS to dump */ |
| /* always use 8bit alpha ref */ |
| 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; |
| } |
| |
| /* Bind DSA state. */ |
| static void r300_bind_dsa_state(struct pipe_context* pipe, |
| void* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| r300->dsa_state = (struct r300_dsa_state*)state; |
| r300->dirty_state |= R300_NEW_DSA; |
| } |
| |
| /* Free DSA state. */ |
| static void r300_delete_dsa_state(struct pipe_context* pipe, |
| void* state) |
| { |
| FREE(state); |
| } |
| |
| static void r300_set_edgeflags(struct pipe_context* pipe, |
| const unsigned* bitfield) |
| { |
| /* XXX you know it's bad when i915 has this blank too */ |
| /* XXX and even worse, I have no idea WTF the bitfield is */ |
| } |
| |
| static void |
| r300_set_framebuffer_state(struct pipe_context* pipe, |
| const struct pipe_framebuffer_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (r300->draw) { |
| draw_flush(r300->draw); |
| } |
| |
| r300->framebuffer_state = *state; |
| |
| r300->dirty_state |= R300_NEW_FRAMEBUFFERS; |
| } |
| |
| /* 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); |
| |
| tgsi_scan_shader(shader->tokens, &fs->info); |
| |
| return (void*)fs; |
| } |
| |
| /* 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 = NULL; |
| return; |
| } else if (!fs->translated) { |
| r300_translate_fragment_shader(r300, fs); |
| } |
| |
| r300->fs = fs; |
| |
| r300->dirty_state |= R300_NEW_FRAGMENT_SHADER | R300_NEW_FRAGMENT_SHADER_CONSTANTS; |
| } |
| |
| /* 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; |
| rc_constants_destroy(&fs->code.constants); |
| 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); |
| |
| /* Copy rasterizer state for Draw. */ |
| rs->rs = *state; |
| |
| rs->enable_vte = !state->bypass_vs_clip_and_viewport; |
| |
| #ifdef PIPE_ARCH_LITTLE_ENDIAN |
| rs->vap_control_status = R300_VC_NO_SWAP; |
| #else |
| rs->vap_control_status = R300_VC_32BIT_SWAP; |
| #endif |
| |
| /* If bypassing TCL, or if no TCL engine is present, turn off the HW TCL. |
| * Else, enable HW TCL and force Draw's TCL off. */ |
| if (state->bypass_vs_clip_and_viewport || |
| !r300_screen(pipe->screen)->caps->has_tcl) { |
| rs->vap_control_status |= R300_VAP_TCL_BYPASS; |
| } else { |
| rs->rs.bypass_vs_clip_and_viewport = TRUE; |
| } |
| |
| rs->point_size = pack_float_16_6x(state->point_size) | |
| (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT); |
| |
| rs->point_minmax = |
| ((int)(state->point_size_min * 6.0) << |
| R300_GA_POINT_MINMAX_MIN_SHIFT) | |
| ((int)(state->point_size_max * 6.0) << |
| R300_GA_POINT_MINMAX_MAX_SHIFT); |
| |
| rs->line_control = pack_float_16_6x(state->line_width) | |
| R300_GA_LINE_CNTL_END_TYPE_COMP; |
| |
| /* XXX I think there is something wrong with the polygon mode, |
| * XXX re-test when r300g is in a better shape */ |
| |
| /* 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_front = rs->depth_offset_back = |
| fui(state->offset_units); |
| rs->depth_scale_front = rs->depth_scale_back = |
| fui(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; |
| } |
| |
| if (!state->flatshade_first) { |
| rs->color_control |= R300_GA_COLOR_CONTROL_PROVOKING_VERTEX_LAST; |
| } |
| |
| 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; |
| |
| if (r300->draw) { |
| draw_flush(r300->draw); |
| draw_set_rasterizer_state(r300->draw, &rs->rs); |
| } |
| |
| r300->rs_state = rs; |
| /* XXX Clean these up when we move to atom emits */ |
| r300->dirty_state |= R300_NEW_RASTERIZER; |
| r300->dirty_state |= R300_NEW_RS_BLOCK; |
| r300->dirty_state |= R300_NEW_SCISSOR; |
| r300->dirty_state |= R300_NEW_VIEWPORT; |
| } |
| |
| /* 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); |
| int lod_bias; |
| |
| 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); |
| |
| lod_bias = CLAMP((int)(state->lod_bias * 32), -(1 << 9), (1 << 9) - 1); |
| |
| sampler->filter1 |= lod_bias << R300_LOD_BIAS_SHIFT; |
| |
| sampler->filter1 |= r300_anisotropy(state->max_anisotropy); |
| |
| util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, |
| &sampler->border_color); |
| |
| /* R500-specific fixups and optimizations */ |
| if (r300_screen(r300->context.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); |
| int i; |
| |
| if (count > 8) { |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if (r300->sampler_states[i] != states[i]) { |
| r300->sampler_states[i] = (struct r300_sampler_state*)states[i]; |
| r300->dirty_state |= (R300_NEW_SAMPLER << i); |
| } |
| } |
| |
| r300->sampler_count = count; |
| } |
| |
| static void r300_delete_sampler_state(struct pipe_context* pipe, void* state) |
| { |
| FREE(state); |
| } |
| |
| static void r300_set_sampler_textures(struct pipe_context* pipe, |
| unsigned count, |
| struct pipe_texture** texture) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| int i; |
| |
| /* XXX magic num */ |
| if (count > 8) { |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if (r300->textures[i] != (struct r300_texture*)texture[i]) { |
| pipe_texture_reference((struct pipe_texture**)&r300->textures[i], |
| texture[i]); |
| r300->dirty_state |= (R300_NEW_TEXTURE << i); |
| } |
| } |
| |
| for (i = count; i < 8; i++) { |
| if (r300->textures[i]) { |
| pipe_texture_reference((struct pipe_texture**)&r300->textures[i], |
| NULL); |
| r300->dirty_state |= (R300_NEW_TEXTURE << i); |
| } |
| } |
| |
| r300->texture_count = count; |
| } |
| |
| static void r300_set_scissor_state(struct pipe_context* pipe, |
| const struct pipe_scissor_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (r300_screen(r300->context.screen)->caps->is_r500) { |
| r300->scissor_state->scissor_top_left = |
| (state->minx << R300_SCISSORS_X_SHIFT) | |
| (state->miny << R300_SCISSORS_Y_SHIFT); |
| r300->scissor_state->scissor_bottom_right = |
| ((state->maxx - 1) << R300_SCISSORS_X_SHIFT) | |
| ((state->maxy - 1) << R300_SCISSORS_Y_SHIFT); |
| } else { |
| /* Offset of 1440 in non-R500 chipsets. */ |
| r300->scissor_state->scissor_top_left = |
| ((state->minx + 1440) << R300_SCISSORS_X_SHIFT) | |
| ((state->miny + 1440) << R300_SCISSORS_Y_SHIFT); |
| r300->scissor_state->scissor_bottom_right = |
| (((state->maxx - 1) + 1440) << R300_SCISSORS_X_SHIFT) | |
| (((state->maxy - 1) + 1440) << R300_SCISSORS_Y_SHIFT); |
| } |
| |
| r300->dirty_state |= R300_NEW_SCISSOR; |
| } |
| |
| static void r300_set_viewport_state(struct pipe_context* pipe, |
| const struct pipe_viewport_state* state) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| /* Do the transform in HW. */ |
| r300->viewport_state->vte_control = R300_VTX_W0_FMT; |
| |
| if (state->scale[0] != 1.0f) { |
| r300->viewport_state->xscale = state->scale[0]; |
| r300->viewport_state->vte_control |= R300_VPORT_X_SCALE_ENA; |
| } |
| if (state->scale[1] != 1.0f) { |
| r300->viewport_state->yscale = state->scale[1]; |
| r300->viewport_state->vte_control |= R300_VPORT_Y_SCALE_ENA; |
| } |
| if (state->scale[2] != 1.0f) { |
| r300->viewport_state->zscale = state->scale[2]; |
| r300->viewport_state->vte_control |= R300_VPORT_Z_SCALE_ENA; |
| } |
| if (state->translate[0] != 0.0f) { |
| r300->viewport_state->xoffset = state->translate[0]; |
| r300->viewport_state->vte_control |= R300_VPORT_X_OFFSET_ENA; |
| } |
| if (state->translate[1] != 0.0f) { |
| r300->viewport_state->yoffset = state->translate[1]; |
| r300->viewport_state->vte_control |= R300_VPORT_Y_OFFSET_ENA; |
| } |
| if (state->translate[2] != 0.0f) { |
| r300->viewport_state->zoffset = state->translate[2]; |
| r300->viewport_state->vte_control |= R300_VPORT_Z_OFFSET_ENA; |
| } |
| |
| r300->dirty_state |= R300_NEW_VIEWPORT; |
| } |
| |
| 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); |
| |
| memcpy(r300->vertex_buffers, buffers, |
| sizeof(struct pipe_vertex_buffer) * count); |
| |
| r300->vertex_buffer_count = count; |
| |
| if (r300->draw) { |
| draw_flush(r300->draw); |
| draw_set_vertex_buffers(r300->draw, count, buffers); |
| } |
| } |
| |
| static void r300_set_vertex_elements(struct pipe_context* pipe, |
| unsigned count, |
| const struct pipe_vertex_element* elements) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| memcpy(r300->vertex_elements, elements, |
| sizeof(struct pipe_vertex_element) * count); |
| |
| r300->vertex_element_count = count; |
| |
| if (r300->draw) { |
| draw_flush(r300->draw); |
| draw_set_vertex_elements(r300->draw, count, elements); |
| } |
| } |
| |
| static void* r300_create_vs_state(struct pipe_context* pipe, |
| const struct pipe_shader_state* shader) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (r300_screen(pipe->screen)->caps->has_tcl) { |
| 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); |
| |
| tgsi_scan_shader(shader->tokens, &vs->info); |
| |
| /* Appease Draw. */ |
| vs->draw = draw_create_vertex_shader(r300->draw, shader); |
| |
| return (void*)vs; |
| } else { |
| return draw_create_vertex_shader(r300->draw, shader); |
| } |
| } |
| |
| static void r300_bind_vs_state(struct pipe_context* pipe, void* shader) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| draw_flush(r300->draw); |
| |
| if (r300_screen(pipe->screen)->caps->has_tcl) { |
| struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; |
| |
| if (vs == NULL) { |
| r300->vs = NULL; |
| return; |
| } else if (!vs->translated) { |
| r300_translate_vertex_shader(r300, vs); |
| } |
| |
| draw_bind_vertex_shader(r300->draw, vs->draw); |
| r300->vs = vs; |
| r300->dirty_state |= R300_NEW_VERTEX_SHADER | R300_NEW_VERTEX_SHADER_CONSTANTS; |
| } else { |
| draw_bind_vertex_shader(r300->draw, |
| (struct draw_vertex_shader*)shader); |
| } |
| } |
| |
| static void r300_delete_vs_state(struct pipe_context* pipe, void* shader) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| |
| if (r300_screen(pipe->screen)->caps->has_tcl) { |
| struct r300_vertex_shader* vs = (struct r300_vertex_shader*)shader; |
| |
| rc_constants_destroy(&vs->code.constants); |
| draw_delete_vertex_shader(r300->draw, vs->draw); |
| FREE((void*)vs->state.tokens); |
| FREE(shader); |
| } else { |
| draw_delete_vertex_shader(r300->draw, |
| (struct draw_vertex_shader*)shader); |
| } |
| } |
| |
| static void r300_set_constant_buffer(struct pipe_context *pipe, |
| uint shader, uint index, |
| const struct pipe_constant_buffer *buf) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| void *mapped; |
| |
| if (buf == NULL || buf->buffer->size == 0 || |
| (mapped = pipe_buffer_map(pipe->screen, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)) == NULL) |
| { |
| r300->shader_constants[shader].count = 0; |
| return; |
| } |
| |
| assert((buf->buffer->size % 4 * sizeof(float)) == 0); |
| memcpy(r300->shader_constants[shader].constants, mapped, buf->buffer->size); |
| r300->shader_constants[shader].count = buf->buffer->size / (4 * sizeof(float)); |
| pipe_buffer_unmap(pipe->screen, buf->buffer); |
| |
| if (shader == PIPE_SHADER_VERTEX) |
| r300->dirty_state |= R300_NEW_VERTEX_SHADER_CONSTANTS; |
| else if (shader == PIPE_SHADER_FRAGMENT) |
| r300->dirty_state |= R300_NEW_FRAGMENT_SHADER_CONSTANTS; |
| } |
| |
| 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_edgeflags = r300_set_edgeflags; |
| |
| 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_textures = r300_set_sampler_textures; |
| |
| 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.set_vertex_elements = r300_set_vertex_elements; |
| |
| 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; |
| } |