mesa/src/imagination/vulkan/pvr_limits.h

65 lines
2.5 KiB
C

/*
* Copyright © 2022 Imagination Technologies Ltd.
*
* 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 (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 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.
*/
/**
* Constants for VkPhysicalDeviceLimits.
*/
#ifndef PVR_LIMITS_H
#define PVR_LIMITS_H
#include "hwdef/rogue_hw_defs.h"
#include "pvr_device_info.h"
#include "util/u_math.h"
#define PVR_MAX_COLOR_ATTACHMENTS 8U /* Number of PBE emit registers. */
#define PVR_MAX_QUEUES 2U
#define PVR_MAX_VIEWPORTS 1U
#define PVR_MAX_NEG_OFFSCREEN_OFFSET 4096U
#define PVR_MAX_PUSH_CONSTANTS_SIZE 256U
#define PVR_MAX_DESCRIPTOR_SETS 4U
#define PVR_MAX_FRAMEBUFFER_LAYERS ROGUE_MAX_RENDER_TARGETS
/* The limit is somewhat arbitrary, it just translates into more pds code
* and larger arrays, 32 appears to be the popular (and highest choice) across
* other implementations.
*/
#define PVR_MAX_VERTEX_INPUT_BINDINGS 16U
/* We need one RenderTarget per supported MSAA mode as each render target
* contains state that is dependent on the sample count of the render that is
* rendering to it.
*
* As we do not know the sample count until we know the renderpass framebuffer
* combination being used, we create one per supported sample mode.
*/
#define PVR_RENDER_TARGETS_PER_FRAMEBUFFER(dev_info) \
({ \
uint32_t __ret = PVR_GET_FEATURE_VALUE(dev_info, max_multisample, 4U); \
util_logbase2(__ret) + 1; \
})
#endif