From: Chia-I Wu Date: Thu, 28 May 2015 05:21:02 +0000 (+0800) Subject: ilo: add ilo_state_urb X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9c77ebef2499a79fc9a0816971a6d16d50cf2954;p=mesa.git ilo: add ilo_state_urb --- diff --git a/src/gallium/drivers/ilo/Makefile.sources b/src/gallium/drivers/ilo/Makefile.sources index 79fb0c8d9a0..b04ee515c1f 100644 --- a/src/gallium/drivers/ilo/Makefile.sources +++ b/src/gallium/drivers/ilo/Makefile.sources @@ -33,6 +33,8 @@ C_SOURCES := \ core/ilo_state_sol.h \ core/ilo_state_surface.c \ core/ilo_state_surface.h \ + core/ilo_state_urb.c \ + core/ilo_state_urb.h \ core/ilo_state_viewport.c \ core/ilo_state_viewport.h \ core/ilo_state_zs.c \ diff --git a/src/gallium/drivers/ilo/core/ilo_state_urb.c b/src/gallium/drivers/ilo/core/ilo_state_urb.c new file mode 100644 index 00000000000..cbd150c71c9 --- /dev/null +++ b/src/gallium/drivers/ilo/core/ilo_state_urb.c @@ -0,0 +1,769 @@ +/* + * Mesa 3-D graphics library + * + * Copyright (C) 2012-2015 LunarG, Inc. + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Chia-I Wu + */ + +#include "ilo_debug.h" +#include "ilo_state_urb.h" + +struct urb_configuration { + uint8_t vs_pcb_alloc_kb; + uint8_t hs_pcb_alloc_kb; + uint8_t ds_pcb_alloc_kb; + uint8_t gs_pcb_alloc_kb; + uint8_t ps_pcb_alloc_kb; + + uint8_t urb_offset_8kb; + + uint8_t vs_urb_alloc_8kb; + uint8_t hs_urb_alloc_8kb; + uint8_t ds_urb_alloc_8kb; + uint8_t gs_urb_alloc_8kb; + + uint8_t vs_entry_rows; + uint8_t hs_entry_rows; + uint8_t ds_entry_rows; + uint8_t gs_entry_rows; + + int vs_entry_count; + int hs_entry_count; + int ds_entry_count; + int gs_entry_count; +}; + +static void +urb_alloc_gen7_pcb(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Haswell PRM, volume 2b, page 940: + * + * "[0,16] (0KB - 16KB) Increments of 1KB DevHSW:GT1, DevHSW:GT2 + * [0,32] (0KB - 32KB) Increments of 2KB DevHSW:GT3" + */ + const uint8_t increment_kb = + (ilo_dev_gen(dev) >= ILO_GEN(8) || + (ilo_dev_gen(dev) == ILO_GEN(7.5) && dev->gt == 3)) ? 2 : 1; + + ILO_DEV_ASSERT(dev, 7, 8); + + /* + * Keep the strategy simple as we do not know the workloads and how + * expensive it is to change the configuration frequently. + */ + if (info->hs_const_data || info->ds_const_data) { + conf->vs_pcb_alloc_kb = increment_kb * 4; + conf->hs_pcb_alloc_kb = increment_kb * 3; + conf->ds_pcb_alloc_kb = increment_kb * 3; + conf->gs_pcb_alloc_kb = increment_kb * 3; + conf->ps_pcb_alloc_kb = increment_kb * 3; + } else if (info->gs_const_data) { + conf->vs_pcb_alloc_kb = increment_kb * 6; + conf->gs_pcb_alloc_kb = increment_kb * 5; + conf->ps_pcb_alloc_kb = increment_kb * 5; + } else { + conf->vs_pcb_alloc_kb = increment_kb * 8; + conf->ps_pcb_alloc_kb = increment_kb * 8; + } + + conf->urb_offset_8kb = increment_kb * 16 / 8; +} + +static void +urb_alloc_gen6_urb(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 34: + * + * "(VS URB Starting Address) Offset from the start of the URB memory + * where VS starts its allocation, specified in multiples of 8 KB." + * + * Same for other stages. + */ + const int space_avail_8kb = dev->urb_size / 8192 - conf->urb_offset_8kb; + + /* + * From the Sandy Bridge PRM, volume 2 part 1, page 173: + * + * "Programming Note: If the GS stage is enabled, software must always + * allocate at least one GS URB Entry. This is true even if the GS + * thread never needs to output vertices to the urb, e.g., when only + * performing stream output. This is an artifact of the need to pass + * the GS thread an initial destination URB handle." + */ + const bool force_gs_alloc = + (ilo_dev_gen(dev) == ILO_GEN(6) && info->gs_enable); + + ILO_DEV_ASSERT(dev, 6, 8); + + if (info->hs_entry_size || info->ds_entry_size) { + conf->vs_urb_alloc_8kb = space_avail_8kb / 4; + conf->hs_urb_alloc_8kb = space_avail_8kb / 4; + conf->ds_urb_alloc_8kb = space_avail_8kb / 4; + conf->gs_urb_alloc_8kb = space_avail_8kb / 4; + + if (space_avail_8kb % 4) { + assert(space_avail_8kb % 2 == 0); + conf->vs_urb_alloc_8kb++; + conf->gs_urb_alloc_8kb++; + } + } else if (info->gs_entry_size || force_gs_alloc) { + assert(space_avail_8kb % 2 == 0); + conf->vs_urb_alloc_8kb = space_avail_8kb / 2; + conf->gs_urb_alloc_8kb = space_avail_8kb / 2; + } else { + conf->vs_urb_alloc_8kb = space_avail_8kb; + } +} + +static bool +urb_init_gen6_vs_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Sandy Bridge PRM, volume 2 part 1, page 28: + * + * "(VS URB Entry Allocation Size) + * Range [0,4] = [1,5] 1024-bit URB rows" + * + * "(VS Number of URB Entries) + * Range [24,256] in multiples of 4 + * [24, 128] in multiples of 4[DevSNBGT1]" + */ + const int max_entry_count = (dev->gt == 2) ? 256 : 252; + const int row_size = 1024 / 8; + int row_count, entry_count; + int entry_size; + + ILO_DEV_ASSERT(dev, 6, 6); + + /* VE and VS share the same VUE for each vertex */ + entry_size = info->vs_entry_size; + if (entry_size < info->ve_entry_size) + entry_size = info->ve_entry_size; + + row_count = (entry_size + row_size - 1) / row_size; + if (row_count > 5) + return false; + else if (!row_count) + row_count++; + + entry_count = conf->vs_urb_alloc_8kb * 8192 / (row_size * row_count); + if (entry_count > max_entry_count) + entry_count = max_entry_count; + entry_count &= ~3; + assert(entry_count >= 24); + + conf->vs_entry_rows = row_count; + conf->vs_entry_count = entry_count; + + return true; +} + +static bool +urb_init_gen6_gs_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Sandy Bridge PRM, volume 2 part 1, page 29: + * + * "(GS Number of URB Entries) + * Range [0,256] in multiples of 4 + * [0, 254] in multiples of 4[DevSNBGT1]" + * + * "(GS URB Entry Allocation Size) + * Range [0,4] = [1,5] 1024-bit URB rows" + */ + const int max_entry_count = (dev->gt == 2) ? 256 : 252; + const int row_size = 1024 / 8; + int row_count, entry_count; + + ILO_DEV_ASSERT(dev, 6, 6); + + row_count = (info->gs_entry_size + row_size - 1) / row_size; + if (row_count > 5) + return false; + else if (!row_count) + row_count++; + + entry_count = conf->gs_urb_alloc_8kb * 8192 / (row_size * row_count); + if (entry_count > max_entry_count) + entry_count = max_entry_count; + entry_count &= ~3; + + conf->gs_entry_rows = row_count; + conf->gs_entry_count = entry_count; + + return true; +} + +static bool +urb_init_gen7_vs_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 34-35: + * + * "VS URB Entry Allocation Size equal to 4(5 512-bit URB rows) may + * cause performance to decrease due to banking in the URB. Element + * sizes of 16 to 20 should be programmed with six 512-bit URB rows." + * + * "(VS URB Entry Allocation Size) + * Format: U9-1 count of 512-bit units" + * + * "(VS Number of URB Entries) + * [32,704] + * [32,512] + * + * Programming Restriction: VS Number of URB Entries must be divisible + * by 8 if the VS URB Entry Allocation Size is less than 9 512-bit URB + * entries."2:0" = reserved "000b"" + * + * From the Haswell PRM, volume 2b, page 847: + * + * "(VS Number of URB Entries) + * [64,1664] DevHSW:GT3 + * [64,1664] DevHSW:GT2 + * [32,640] DevHSW:GT1" + */ + const int row_size = 512 / 8; + int row_count, entry_count; + int entry_size; + int max_entry_count, min_entry_count; + + ILO_DEV_ASSERT(dev, 7, 8); + + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 35: + * + * "Programming Restriction: As the VS URB entry serves as both the + * per-vertex input and output of the VS shader, the VS URB Allocation + * Size must be sized to the maximum of the vertex input and output + * structures." + * + * From the Ivy Bridge PRM, volume 2 part 1, page 42: + * + * "If the VS function is enabled, the VF-written VUEs are not required + * to have Vertex Headers, as the VS-incoming vertices are guaranteed + * to be consumed by the VS (i.e., the VS thread is responsible for + * overwriting the input vertex data)." + * + * VE and VS share the same VUE for each vertex. + */ + entry_size = info->vs_entry_size; + if (entry_size < info->ve_entry_size) + entry_size = info->ve_entry_size; + + row_count = (entry_size + row_size - 1) / row_size; + if (row_count == 5 || !row_count) + row_count++; + + entry_count = conf->vs_urb_alloc_8kb * 8192 / (row_size * row_count); + if (row_count < 9) + entry_count &= ~7; + + switch (ilo_dev_gen(dev)) { + case ILO_GEN(8): + case ILO_GEN(7.5): + max_entry_count = (dev->gt >= 2) ? 1664 : 640; + min_entry_count = (dev->gt >= 2) ? 64 : 32; + break; + case ILO_GEN(7): + max_entry_count = (dev->gt == 2) ? 704 : 512; + min_entry_count = 32; + break; + default: + assert(!"unexpected gen"); + return false; + break; + } + + if (entry_count > max_entry_count) + entry_count = max_entry_count; + else if (entry_count < min_entry_count) + return false; + + conf->vs_entry_rows = row_count; + conf->vs_entry_count = entry_count; + + return true; +} + +static bool +urb_init_gen7_hs_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 37: + * + * "HS Number of URB Entries must be divisible by 8 if the HS URB Entry + * Allocation Size is less than 9 512-bit URB + * entries."2:0" = reserved "000" + * + * [0,64] + * [0,32]" + * + * From the Haswell PRM, volume 2b, page 849: + * + * "(HS Number of URB Entries) + * [0,128] DevHSW:GT2 + * [0,64] DevHSW:GT1" + */ + const int row_size = 512 / 8; + int row_count, entry_count; + int max_entry_count; + + ILO_DEV_ASSERT(dev, 7, 8); + + row_count = (info->hs_entry_size + row_size - 1) / row_size; + if (!row_count) + row_count++; + + entry_count = conf->hs_urb_alloc_8kb * 8192 / (row_size * row_count); + if (row_count < 9) + entry_count &= ~7; + + switch (ilo_dev_gen(dev)) { + case ILO_GEN(8): + case ILO_GEN(7.5): + max_entry_count = (dev->gt >= 2) ? 128 : 64; + break; + case ILO_GEN(7): + max_entry_count = (dev->gt == 2) ? 64 : 32; + break; + default: + assert(!"unexpected gen"); + return false; + break; + } + + if (entry_count > max_entry_count) + entry_count = max_entry_count; + else if (info->hs_entry_size && !entry_count) + return false; + + conf->hs_entry_rows = row_count; + conf->hs_entry_count = entry_count; + + return true; +} + +static bool +urb_init_gen7_ds_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 38: + * + * "(DS URB Entry Allocation Size) + * [0,9]" + * + * "(DS Number of URB Entries) If Domain Shader Thread Dispatch is + * Enabled then the minimum number handles that must be allocated is + * 138 URB entries. + * "2:0" = reserved "000" + * + * [0,448] + * [0,288] + * + * DS Number of URB Entries must be divisible by 8 if the DS URB Entry + * Allocation Size is less than 9 512-bit URB entries.If Domain Shader + * Thread Dispatch is Enabled then the minimum number of handles that + * must be allocated is 10 URB entries." + * + * From the Haswell PRM, volume 2b, page 851: + * + * "(DS Number of URB Entries) + * [0,960] DevHSW:GT2 + * [0,384] DevHSW:GT1" + */ + const int row_size = 512 / 8; + int row_count, entry_count; + int max_entry_count; + + ILO_DEV_ASSERT(dev, 7, 8); + + row_count = (info->ds_entry_size + row_size - 1) / row_size; + if (row_count > 10) + return false; + else if (!row_count) + row_count++; + + entry_count = conf->ds_urb_alloc_8kb * 8192 / (row_size * row_count); + if (row_count < 9) + entry_count &= ~7; + + switch (ilo_dev_gen(dev)) { + case ILO_GEN(8): + case ILO_GEN(7.5): + max_entry_count = (dev->gt >= 2) ? 960 : 384; + break; + case ILO_GEN(7): + max_entry_count = (dev->gt == 2) ? 448 : 288; + break; + default: + assert(!"unexpected gen"); + return false; + break; + } + + if (entry_count > max_entry_count) + entry_count = max_entry_count; + else if (info->ds_entry_size && entry_count < 10) + return false; + + conf->ds_entry_rows = row_count; + conf->ds_entry_count = entry_count; + + return true; +} + +static bool +urb_init_gen7_gs_entry(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 40: + * + * "(GS Number of URB Entries) GS Number of URB Entries must be + * divisible by 8 if the GS URB Entry Allocation Size is less than 9 + * 512-bit URB entries. + * "2:0" = reserved "000" + * + * [0,320] + * [0,192]" + * + * From the Ivy Bridge PRM, volume 2 part 1, page 171: + * + * "(DUAL_INSTANCE and DUAL_OBJECT) The GS must be allocated at least + * two URB handles or behavior is UNDEFINED." + * + * From the Haswell PRM, volume 2b, page 853: + * + * "(GS Number of URB Entries) + * [0,640] DevHSW:GT2 + * [0,256] DevHSW:GT1 + * + * Only if GS is disabled can this field be programmed to 0. If GS is + * enabled this field shall be programmed to a value greater than 0. + * For GS Dispatch Mode "Single", this field shall be programmed to a + * value greater than or equal to 1. For other GS Dispatch Modes, + * refer to the definition of Dispatch Mode (3DSTATE_GS) for minimum + * values of this field." + */ + const int row_size = 512 / 8; + int row_count, entry_count; + int max_entry_count; + + ILO_DEV_ASSERT(dev, 7, 8); + + row_count = (info->gs_entry_size + row_size - 1) / row_size; + if (!row_count) + row_count++; + + entry_count = conf->gs_urb_alloc_8kb * 8192 / (row_size * row_count); + if (row_count < 9) + entry_count &= ~7; + + switch (ilo_dev_gen(dev)) { + case ILO_GEN(8): + case ILO_GEN(7.5): + max_entry_count = (dev->gt >= 2) ? 640 : 256; + break; + case ILO_GEN(7): + max_entry_count = (dev->gt == 2) ? 320 : 192; + break; + default: + assert(!"unexpected gen"); + return false; + break; + } + + if (entry_count > max_entry_count) + entry_count = max_entry_count; + else if (info->gs_entry_size && entry_count < 2) + return false; + + conf->gs_entry_rows = row_count; + conf->gs_entry_count = entry_count; + + return true; +} + +static bool +urb_get_gen6_configuration(const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + struct urb_configuration *conf) +{ + ILO_DEV_ASSERT(dev, 6, 8); + + memset(conf, 0, sizeof(*conf)); + + if (ilo_dev_gen(dev) >= ILO_GEN(7)) + urb_alloc_gen7_pcb(dev, info, conf); + + urb_alloc_gen6_urb(dev, info, conf); + + if (ilo_dev_gen(dev) >= ILO_GEN(7)) { + if (!urb_init_gen7_vs_entry(dev, info, conf) || + !urb_init_gen7_hs_entry(dev, info, conf) || + !urb_init_gen7_ds_entry(dev, info, conf) || + !urb_init_gen7_gs_entry(dev, info, conf)) + return false; + } else { + if (!urb_init_gen6_vs_entry(dev, info, conf) || + !urb_init_gen6_gs_entry(dev, info, conf)) + return false; + } + + return true; +} + +static bool +urb_set_gen7_3dstate_push_constant_alloc(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + const struct urb_configuration *conf) +{ + uint32_t dw1[5]; + uint8_t sizes_kb[5], offset_kb; + int i; + + ILO_DEV_ASSERT(dev, 7, 8); + + sizes_kb[0] = conf->vs_pcb_alloc_kb; + sizes_kb[1] = conf->hs_pcb_alloc_kb; + sizes_kb[2] = conf->ds_pcb_alloc_kb; + sizes_kb[3] = conf->gs_pcb_alloc_kb; + sizes_kb[4] = conf->ps_pcb_alloc_kb; + offset_kb = 0; + + for (i = 0; i < 5; i++) { + /* careful for the valid range of offsets */ + if (sizes_kb[i]) { + dw1[i] = offset_kb << GEN7_PCB_ALLOC_DW1_OFFSET__SHIFT | + sizes_kb[i] << GEN7_PCB_ALLOC_DW1_SIZE__SHIFT; + offset_kb += sizes_kb[i]; + } else { + dw1[i] = 0; + } + } + + STATIC_ASSERT(ARRAY_SIZE(urb->pcb) >= 5); + memcpy(urb->pcb, dw1, sizeof(dw1)); + + return true; +} + +static bool +urb_set_gen6_3DSTATE_URB(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + const struct urb_configuration *conf) +{ + uint32_t dw1, dw2; + + ILO_DEV_ASSERT(dev, 6, 6); + + assert(conf->vs_entry_rows && conf->gs_entry_rows); + + dw1 = (conf->vs_entry_rows - 1) << GEN6_URB_DW1_VS_ENTRY_SIZE__SHIFT | + conf->vs_entry_count << GEN6_URB_DW1_VS_ENTRY_COUNT__SHIFT; + dw2 = conf->gs_entry_count << GEN6_URB_DW2_GS_ENTRY_COUNT__SHIFT | + (conf->gs_entry_rows - 1) << GEN6_URB_DW2_GS_ENTRY_SIZE__SHIFT; + + STATIC_ASSERT(ARRAY_SIZE(urb->urb) >= 2); + urb->urb[0] = dw1; + urb->urb[1] = dw2; + + return true; +} + +static bool +urb_set_gen7_3dstate_urb(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info, + const struct urb_configuration *conf) +{ + uint32_t dw1[4]; + struct { + uint8_t alloc_8kb; + uint8_t entry_rows; + int entry_count; + } stages[4]; + uint8_t offset_8kb; + int i; + + ILO_DEV_ASSERT(dev, 7, 8); + + stages[0].alloc_8kb = conf->vs_urb_alloc_8kb; + stages[1].alloc_8kb = conf->hs_urb_alloc_8kb; + stages[2].alloc_8kb = conf->ds_urb_alloc_8kb; + stages[3].alloc_8kb = conf->gs_urb_alloc_8kb; + + stages[0].entry_rows = conf->vs_entry_rows; + stages[1].entry_rows = conf->hs_entry_rows; + stages[2].entry_rows = conf->ds_entry_rows; + stages[3].entry_rows = conf->gs_entry_rows; + + stages[0].entry_count = conf->vs_entry_count; + stages[1].entry_count = conf->hs_entry_count; + stages[2].entry_count = conf->ds_entry_count; + stages[3].entry_count = conf->gs_entry_count; + + offset_8kb = conf->urb_offset_8kb; + + for (i = 0; i < 4; i++) { + /* careful for the valid range of offsets */ + if (stages[i].alloc_8kb) { + assert(stages[i].entry_rows); + dw1[i] = + offset_8kb << GEN7_URB_DW1_OFFSET__SHIFT | + (stages[i].entry_rows - 1) << GEN7_URB_DW1_ENTRY_SIZE__SHIFT | + stages[i].entry_count << GEN7_URB_DW1_ENTRY_COUNT__SHIFT; + offset_8kb += stages[i].alloc_8kb; + } else { + dw1[i] = 0; + } + } + + STATIC_ASSERT(ARRAY_SIZE(urb->urb) >= 4); + memcpy(urb->urb, dw1, sizeof(dw1)); + + return true; +} + +bool +ilo_state_urb_init(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info) +{ + assert(ilo_is_zeroed(urb, sizeof(*urb))); + return ilo_state_urb_set_info(urb, dev, info); +} + +bool +ilo_state_urb_init_for_rectlist(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + uint8_t vf_attr_count) +{ + struct ilo_state_urb_info info; + + memset(&info, 0, sizeof(info)); + info.ve_entry_size = sizeof(uint32_t) * 4 * vf_attr_count; + + return ilo_state_urb_init(urb, dev, &info); +} + +bool +ilo_state_urb_set_info(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info) +{ + struct urb_configuration conf; + bool ret = true; + + ret &= urb_get_gen6_configuration(dev, info, &conf); + if (ilo_dev_gen(dev) >= ILO_GEN(7)) { + ret &= urb_set_gen7_3dstate_push_constant_alloc(urb, dev, info, &conf); + ret &= urb_set_gen7_3dstate_urb(urb, dev, info, &conf); + } else { + ret &= urb_set_gen6_3DSTATE_URB(urb, dev, info, &conf); + } + + assert(ret); + + return ret; +} + +void +ilo_state_urb_full_delta(const struct ilo_state_urb *urb, + const struct ilo_dev *dev, + struct ilo_state_urb_delta *delta) +{ + if (ilo_dev_gen(dev) >= ILO_GEN(7)) { + delta->dirty = ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_VS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_HS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_DS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_GS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_PS | + ILO_STATE_URB_3DSTATE_URB_VS | + ILO_STATE_URB_3DSTATE_URB_HS | + ILO_STATE_URB_3DSTATE_URB_DS | + ILO_STATE_URB_3DSTATE_URB_GS; + } else { + delta->dirty = ILO_STATE_URB_3DSTATE_URB_VS | + ILO_STATE_URB_3DSTATE_URB_GS; + } +} + +void +ilo_state_urb_get_delta(const struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb *old, + struct ilo_state_urb_delta *delta) +{ + delta->dirty = 0; + + if (ilo_dev_gen(dev) >= ILO_GEN(7)) { + if (memcmp(urb->pcb, old->pcb, sizeof(urb->pcb))) { + delta->dirty |= ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_VS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_HS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_DS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_GS | + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_PS; + } + + /* + * From the Ivy Bridge PRM, volume 2 part 1, page 34: + * + * "3DSTATE_URB_HS, 3DSTATE_URB_DS, and 3DSTATE_URB_GS must also be + * programmed in order for the programming of this state + * (3DSTATE_URB_VS) to be valid." + * + * The same is true for the other three states. + */ + if (memcmp(urb->urb, old->urb, sizeof(urb->urb))) { + delta->dirty |= ILO_STATE_URB_3DSTATE_URB_VS | + ILO_STATE_URB_3DSTATE_URB_HS | + ILO_STATE_URB_3DSTATE_URB_DS | + ILO_STATE_URB_3DSTATE_URB_GS; + } + } else { + if (memcmp(urb->urb, old->urb, sizeof(uint32_t) * 2)) { + delta->dirty |= ILO_STATE_URB_3DSTATE_URB_VS | + ILO_STATE_URB_3DSTATE_URB_GS; + } + } +} diff --git a/src/gallium/drivers/ilo/core/ilo_state_urb.h b/src/gallium/drivers/ilo/core/ilo_state_urb.h new file mode 100644 index 00000000000..9522b3bd681 --- /dev/null +++ b/src/gallium/drivers/ilo/core/ilo_state_urb.h @@ -0,0 +1,103 @@ +/* + * Mesa 3-D graphics library + * + * Copyright (C) 2015 LunarG, Inc. + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Chia-I Wu + */ + +#ifndef ILO_STATE_URB_H +#define ILO_STATE_URB_H + +#include "genhw/genhw.h" + +#include "ilo_core.h" +#include "ilo_dev.h" + +enum ilo_state_urb_dirty_bits { + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_VS = (1 << 0), + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_HS = (1 << 1), + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_DS = (1 << 2), + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_GS = (1 << 3), + ILO_STATE_URB_3DSTATE_PUSH_CONSTANT_ALLOC_PS = (1 << 4), + ILO_STATE_URB_3DSTATE_URB_VS = (1 << 5), + ILO_STATE_URB_3DSTATE_URB_HS = (1 << 6), + ILO_STATE_URB_3DSTATE_URB_DS = (1 << 7), + ILO_STATE_URB_3DSTATE_URB_GS = (1 << 8), +}; + +/** + * URB entry allocation sizes and sizes of constant data extracted from PCBs + * to threads. + */ +struct ilo_state_urb_info { + bool gs_enable; + + bool vs_const_data; + bool hs_const_data; + bool ds_const_data; + bool gs_const_data; + bool ps_const_data; + + uint16_t ve_entry_size; + uint16_t vs_entry_size; + uint16_t hs_entry_size; + uint16_t ds_entry_size; + uint16_t gs_entry_size; +}; + +struct ilo_state_urb { + uint32_t pcb[5]; + uint32_t urb[4]; +}; + +struct ilo_state_urb_delta { + uint32_t dirty; +}; + +bool +ilo_state_urb_init(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info); + +bool +ilo_state_urb_init_for_rectlist(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + uint8_t vf_attr_count); + +bool +ilo_state_urb_set_info(struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb_info *info); + +void +ilo_state_urb_full_delta(const struct ilo_state_urb *urb, + const struct ilo_dev *dev, + struct ilo_state_urb_delta *delta); + +void +ilo_state_urb_get_delta(const struct ilo_state_urb *urb, + const struct ilo_dev *dev, + const struct ilo_state_urb *old, + struct ilo_state_urb_delta *delta); + +#endif /* ILO_STATE_URB_H */