/*
* Copyright © 2014-2017 Broadcom
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
* 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.
*/
#ifndef VC5_CONTEXT_H
#define VC5_CONTEXT_H
#ifdef V3D_VERSION
#include "broadcom/common/v3d_macros.h"
#endif
#include <stdio.h>
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "util/bitset.h"
#include "util/slab.h"
#include "xf86drm.h"
#include "vc5_drm.h"
#include "vc5_screen.h"
struct vc5_job;
struct vc5_bo;
void vc5_job_add_bo(struct vc5_job *job, struct vc5_bo *bo);
#define __user
#include "vc5_drm.h"
#include "vc5_bufmgr.h"
#include "vc5_resource.h"
#include "vc5_cl.h"
#ifdef USE_VC5_SIMULATOR
#define using_vc5_simulator true
#else
#define using_vc5_simulator false
#endif
#define VC5_DIRTY_BLEND (1 << 0)
#define VC5_DIRTY_RASTERIZER (1 << 1)
#define VC5_DIRTY_ZSA (1 << 2)
#define VC5_DIRTY_FRAGTEX (1 << 3)
#define VC5_DIRTY_VERTTEX (1 << 4)
#define VC5_DIRTY_BLEND_COLOR (1 << 7)
#define VC5_DIRTY_STENCIL_REF (1 << 8)
#define VC5_DIRTY_SAMPLE_MASK (1 << 9)
#define VC5_DIRTY_FRAMEBUFFER (1 << 10)
#define VC5_DIRTY_STIPPLE (1 << 11)
#define VC5_DIRTY_VIEWPORT (1 << 12)
#define VC5_DIRTY_CONSTBUF (1 << 13)
#define VC5_DIRTY_VTXSTATE (1 << 14)
#define VC5_DIRTY_VTXBUF (1 << 15)
#define VC5_DIRTY_SCISSOR (1 << 17)
#define VC5_DIRTY_FLAT_SHADE_FLAGS (1 << 18)
#define VC5_DIRTY_PRIM_MODE (1 << 19)
#define VC5_DIRTY_CLIP (1 << 20)
#define VC5_DIRTY_UNCOMPILED_VS (1 << 21)
#define VC5_DIRTY_UNCOMPILED_FS (1 << 22)
#define VC5_DIRTY_COMPILED_CS (1 << 23)
#define VC5_DIRTY_COMPILED_VS (1 << 24)
#define VC5_DIRTY_COMPILED_FS (1 << 25)
#define VC5_DIRTY_FS_INPUTS (1 << 26)
#define VC5_DIRTY_STREAMOUT (1 << 27)
#define VC5_DIRTY_OQ (1 << 28)
#define VC5_MAX_FS_INPUTS 64
struct vc5_sampler_view {
struct pipe_sampler_view base;
uint32_t p0;
uint32_t p1;
/* Precomputed swizzles to pass in to the shader key. */
uint8_t swizzle[4];
uint8_t texture_shader_state[32];
/* V3D 4.x: Texture state struct. */
struct vc5_bo *bo;
};
struct vc5_sampler_state {
struct pipe_sampler_state base;
uint32_t p0;
uint32_t p1;
/* V3D 3.x: Packed texture state. */
uint8_t texture_shader_state[32];
/* V3D 4.x: Sampler state struct. */
struct vc5_bo *bo;
};
struct vc5_texture_stateobj {
struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
unsigned num_textures;
struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
unsigned num_samplers;
struct vc5_cl_reloc texture_state[PIPE_MAX_SAMPLERS];
};
struct vc5_shader_uniform_info {
enum quniform_contents *contents;
uint32_t *data;
uint32_t count;
};
struct vc5_uncompiled_shader {
/** A name for this program, so you can track it in shader-db output. */
uint32_t program_id;
/** How many variants of this program were compiled, for shader-db. */
uint32_t compiled_variant_count;
struct pipe_shader_state base;
uint32_t num_tf_outputs;
struct v3d_varying_slot *tf_outputs;
uint16_t tf_specs[PIPE_MAX_SO_BUFFERS];
uint32_t num_tf_specs;
};
struct vc5_compiled_shader {
struct vc5_bo *bo;
union {
struct v3d_prog_data *base;
struct v3d_vs_prog_data *vs;
struct v3d_fs_prog_data *fs;
} prog_data;
/**
* VC5_DIRTY_* flags that, when set in vc5->dirty, mean that the
* uniforms have to be rewritten (and therefore the shader state
* reemitted).
*/
uint32_t uniform_dirty_bits;
};
struct vc5_program_stateobj {
struct vc5_uncompiled_shader *bind_vs, *bind_fs;
struct vc5_compiled_shader *cs, *vs, *fs;
};
struct vc5_constbuf_stateobj {
struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
uint32_t enabled_mask;
uint32_t dirty_mask;
};
struct vc5_vertexbuf_stateobj {
struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
unsigned count;
uint32_t enabled_mask;
uint32_t dirty_mask;
};
struct vc5_vertex_stateobj {
struct pipe_vertex_element pipe[VC5_MAX_ATTRIBUTES];
unsigned num_elements;
uint8_t attrs[12 * VC5_MAX_ATTRIBUTES];
struct vc5_bo *default_attribute_values;
};
struct vc5_streamout_stateobj {
struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
unsigned num_targets;
};
/* Hash table key for vc5->jobs */
struct vc5_job_key {
struct pipe_surface *cbufs[4];
struct pipe_surface *zsbuf;
};
/**
* A complete bin/render job.
*
* This is all of the state necessary to submit a bin/render to the kernel.
* We want to be able to have multiple in progress at a time, so that we don't
* need to flush an existing CL just to switch to rendering to a new render
* target (which would mean reading back from the old render target when
* starting to render to it again).
*/
struct vc5_job {
struct vc5_context *vc5;
struct vc5_cl bcl;
struct vc5_cl rcl;
struct vc5_cl indirect;
struct vc5_bo *tile_alloc;
struct vc5_bo *tile_state;
uint32_t shader_rec_count;
struct drm_vc5_submit_cl submit;
/**
* Set of all BOs referenced by the job. This will be used for making
* the list of BOs that the kernel will need to have paged in to
* execute our job.
*/
struct set *bos;
/** Sum of the sizes of the BOs referenced by the job. */
uint32_t referenced_size;
struct set *write_prscs;
/* Size of the submit.bo_handles array. */
uint32_t bo_handles_size;
/** @{ Surfaces to submit rendering for. */
struct pipe_surface *cbufs[4];
struct pipe_surface *zsbuf;
/** @} */
/** @{
* Bounding box of the scissor across all queued drawing.
*
* Note that the max values are exclusive.
*/
uint32_t draw_min_x;
uint32_t draw_min_y;
uint32_t draw_max_x;
uint32_t draw_max_y;
/** @} */
/** @{
* Width/height of the color framebuffer being rendered to,
* for VC5_TILE_RENDERING_MODE_CONFIG.
*/
uint32_t draw_width;
uint32_t draw_height;
/** @} */
/** @{ Tile information, depending on MSAA and float color buffer. */
uint32_t draw_tiles_x; /** @< Number of tiles wide for framebuffer. */
uint32_t draw_tiles_y; /** @< Number of tiles high for framebuffer. */
uint32_t tile_width; /** @< Width of a tile. */
uint32_t tile_height; /** @< Height of a tile. */
/** maximum internal_bpp of all color render targets. */
uint32_t internal_bpp;
/** Whether the current rendering is in a 4X MSAA tile buffer. */
bool msaa;
/** @} */
/* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
* first rendering.
*/
uint32_t cleared;
/* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
* (either clears or draws).
*/
uint32_t resolve;
uint32_t clear_color[4][4];
float clear_z;
uint8_t clear_s;
/**
* Set if some drawing (triangles, blits, or just a glClear()) has
* been done to the FBO, meaning that we need to
* DRM_IOCTL_VC5_SUBMIT_CL.
*/
bool needs_flush;
/**
* Set if there is a nonzero address for OCCLUSION_QUERY_COUNTER. If
* so, we need to disable it and flush before ending the CL, to keep
* the next tile from starting with it enabled.
*/
bool oq_enabled;
bool uses_early_z;
/**
* Number of draw calls (not counting full buffer clears) queued in
* the current job.
*/
uint32_t draw_calls_queued;
struct vc5_job_key key;
};
struct vc5_context {
struct pipe_context base;
int fd;
struct vc5_screen *screen;
/** The 3D rendering job for the currently bound FBO. */
struct vc5_job *job;
/* Map from struct vc5_job_key to the job for that FBO.
*/
struct hash_table *jobs;
/**
* Map from vc5_resource to a job writing to that resource.
*
* Primarily for flushing jobs rendering to textures that are now
* being read from.
*/
struct hash_table *write_jobs;
struct slab_child_pool transfer_pool;
struct blitter_context *blitter;
/** bitfield of VC5_DIRTY_* */
uint32_t dirty;
struct primconvert_context *primconvert;
struct hash_table *fs_cache, *vs_cache;
uint32_t next_uncompiled_program_id;
uint64_t next_compiled_program_id;
struct vc5_compiler_state *compiler_state;
uint8_t prim_mode;
/** Maximum index buffer valid for the current shader_rec. */
uint32_t max_index;
/** Seqno of the last CL flush's job. */
uint64_t last_emit_seqno;
struct u_upload_mgr *uploader;
/** @{ Current pipeline state objects */
struct pipe_scissor_state scissor;
struct pipe_blend_state *blend;
struct vc5_rasterizer_state *rasterizer;
struct vc5_depth_stencil_alpha_state *zsa;
struct vc5_texture_stateobj verttex, fragtex;
struct vc5_program_stateobj prog;
struct vc5_vertex_stateobj *vtx;
struct {
struct pipe_blend_color f;
uint16_t hf[4];
} blend_color;
struct pipe_stencil_ref stencil_ref;
unsigned sample_mask;
struct pipe_framebuffer_state framebuffer;
/* Per render target, whether we should swap the R and B fields in the
* shader's color output and in blending. If render targets disagree
* on the R/B swap and use the constant color, then we would need to
* fall back to in-shader blending.
*/
uint8_t swap_color_rb;
/* Per render target, whether we should treat the dst alpha values as
* one in blending.
*
* For RGBX formats, the tile buffer's alpha channel will be
* undefined.
*/
uint8_t blend_dst_alpha_one;
bool active_queries;
uint32_t tf_prims_generated;
uint32_t prims_generated;
struct pipe_poly_stipple stipple;
struct pipe_clip_state clip;
struct pipe_viewport_state viewport;
struct vc5_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
struct vc5_vertexbuf_stateobj vertexbuf;
struct vc5_streamout_stateobj streamout;
struct vc5_bo *current_oq;
/** @} */
};
struct vc5_rasterizer_state {
struct pipe_rasterizer_state base;
/* VC5_CONFIGURATION_BITS */
uint8_t config_bits[3];
float point_size;
/**
* Half-float (1/8/7 bits) value of polygon offset units for
* VC5_PACKET_DEPTH_OFFSET
*/
uint16_t offset_units;
/**
* Half-float (1/8/7 bits) value of polygon offset scale for
* VC5_PACKET_DEPTH_OFFSET
*/
uint16_t offset_factor;
};
struct vc5_depth_stencil_alpha_state {
struct pipe_depth_stencil_alpha_state base;
bool early_z_enable;
/** Uniforms for stencil state.
*
* Index 0 is either the front config, or the front-and-back config.
* Index 1 is the back config if doing separate back stencil.
* Index 2 is the writemask config if it's not a common mask value.
*/
uint32_t stencil_uniforms[3];
uint8_t stencil_front[6];
uint8_t stencil_back[6];
};
#define perf_debug(...) do { \
if (unlikely(V3D_DEBUG & V3D_DEBUG_PERF)) \
fprintf(stderr, __VA_ARGS__); \
} while (0)
static inline struct vc5_context *
vc5_context(struct pipe_context *pcontext)
{
return (struct vc5_context *)pcontext;
}
static inline struct vc5_sampler_view *
vc5_sampler_view(struct pipe_sampler_view *psview)
{
return (struct vc5_sampler_view *)psview;
}
static inline struct vc5_sampler_state *
vc5_sampler_state(struct pipe_sampler_state *psampler)
{
return (struct vc5_sampler_state *)psampler;
}
struct pipe_context *vc5_context_create(struct pipe_screen *pscreen,
void *priv, unsigned flags);
void vc5_program_init(struct pipe_context *pctx);
void vc5_program_fini(struct pipe_context *pctx);
void vc5_query_init(struct pipe_context *pctx);
void vc5_simulator_init(struct vc5_screen *screen);
void vc5_simulator_destroy(struct vc5_screen *screen);
int vc5_simulator_flush(struct vc5_context *vc5,
struct drm_vc5_submit_cl *args,
struct vc5_job *job);
int vc5_simulator_ioctl(int fd, unsigned long request, void *arg);
void vc5_simulator_open_from_handle(int fd, uint32_t winsys_stride,
int handle, uint32_t size);
static inline int
vc5_ioctl(int fd, unsigned long request, void *arg)
{
if (using_vc5_simulator)
return vc5_simulator_ioctl(fd, request, arg);
else
return drmIoctl(fd, request, arg);
}
void vc5_set_shader_uniform_dirty_flags(struct vc5_compiled_shader *shader);
struct vc5_cl_reloc vc5_write_uniforms(struct vc5_context *vc5,
struct vc5_compiled_shader *shader,
struct vc5_constbuf_stateobj *cb,
struct vc5_texture_stateobj *texstate);
void vc5_flush(struct pipe_context *pctx);
void vc5_job_init(struct vc5_context *vc5);
struct vc5_job *vc5_get_job(struct vc5_context *vc5,
struct pipe_surface **cbufs,
struct pipe_surface *zsbuf);
struct vc5_job *vc5_get_job_for_fbo(struct vc5_context *vc5);
void vc5_job_add_bo(struct vc5_job *job, struct vc5_bo *bo);
void vc5_job_add_write_resource(struct vc5_job *job, struct pipe_resource *prsc);
void vc5_job_submit(struct vc5_context *vc5, struct vc5_job *job);
void vc5_flush_jobs_writing_resource(struct vc5_context *vc5,
struct pipe_resource *prsc);
void vc5_flush_jobs_reading_resource(struct vc5_context *vc5,
struct pipe_resource *prsc);
void vc5_update_compiled_shaders(struct vc5_context *vc5, uint8_t prim_mode);
bool vc5_rt_format_supported(const struct v3d_device_info *devinfo,
enum pipe_format f);
bool vc5_tex_format_supported(const struct v3d_device_info *devinfo,
enum pipe_format f);
uint8_t vc5_get_rt_format(const struct v3d_device_info *devinfo, enum pipe_format f);
uint8_t vc5_get_tex_format(const struct v3d_device_info *devinfo, enum pipe_format f);
uint8_t vc5_get_tex_return_size(const struct v3d_device_info *devinfo,
enum pipe_format f,
enum pipe_tex_compare compare);
uint8_t vc5_get_tex_return_channels(const struct v3d_device_info *devinfo,
enum pipe_format f);
const uint8_t *vc5_get_format_swizzle(const struct v3d_device_info *devinfo,
enum pipe_format f);
void vc5_get_internal_type_bpp_for_output_format(const struct v3d_device_info *devinfo,
uint32_t format,
uint32_t *type,
uint32_t *bpp);
void vc5_init_query_functions(struct vc5_context *vc5);
void vc5_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info);
void vc5_blitter_save(struct vc5_context *vc5);
#ifdef v3dX
# include "v3dx_context.h"
#else
# define v3dX(x) v3d33_##x
# include "v3dx_context.h"
# undef v3dX
# define v3dX(x) v3d41_##x
# include "v3dx_context.h"
# undef v3dX
#endif
#endif /* VC5_CONTEXT_H */