1 /* 2 * Copyright © 2022 Imagination Technologies Ltd. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24 /** 25 * Constants for VkPhysicalDeviceLimits. 26 */ 27 28 #ifndef PVR_LIMITS_H 29 #define PVR_LIMITS_H 30 31 #include "hwdef/rogue_hw_defs.h" 32 #include "pvr_device_info.h" 33 #include "util/u_math.h" 34 35 #define PVR_MAX_COLOR_ATTACHMENTS PVR_NUM_PBE_EMIT_REGS 36 #define PVR_MAX_QUEUES 2U 37 #define PVR_MAX_VIEWPORTS 1U 38 #define PVR_MAX_NEG_OFFSCREEN_OFFSET 4096U 39 40 #define PVR_MAX_PUSH_CONSTANTS_SIZE 256U 41 42 #define PVR_MAX_TEXTURE_EXTENT_Z \ 43 (PVRX(TEXSTATE_IMAGE_WORD1_DEPTH_MAX_SIZE) + 1U) 44 45 #define PVR_MAX_ARRAY_LAYERS (PVRX(TEXSTATE_IMAGE_WORD1_DEPTH_MAX_SIZE) + 1U) 46 47 #define PVR_MAX_DESCRIPTOR_SETS 4U 48 #define PVR_MAX_DESCRIPTOR_SET_UNIFORM_DYNAMIC_BUFFERS 8U 49 #define PVR_MAX_DESCRIPTOR_SET_STORAGE_DYNAMIC_BUFFERS 8U 50 51 #define PVR_MAX_FRAMEBUFFER_LAYERS PVR_MAX_ARRAY_LAYERS 52 53 /* The limit is somewhat arbitrary, it just translates into more pds code 54 * and larger arrays, 32 appears to be the popular (and highest choice) across 55 * other implementations. 56 */ 57 #define PVR_MAX_VERTEX_INPUT_BINDINGS 16U 58 59 /* We need one RenderTarget per supported MSAA mode as each render target 60 * contains state that is dependent on the sample count of the render that is 61 * rendering to it. 62 * 63 * As we do not know the sample count until we know the renderpass framebuffer 64 * combination being used, we create one per supported sample mode. 65 */ 66 #define PVR_RENDER_TARGETS_PER_FRAMEBUFFER(dev_info) \ 67 ({ \ 68 uint32_t __ret = PVR_GET_FEATURE_VALUE(dev_info, max_multisample, 4U); \ 69 util_logbase2(__ret) + 1; \ 70 }) 71 72 #endif 73