
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Acked-by: Chris Forbes <chrisf@ijw.co.nz> Acked-by: Paul Berry <stereotype441@gmail.com> Acked-by: Anuj Phogat <anuj.phogat@gmail.com>
361 lines
10 KiB
C
361 lines
10 KiB
C
/**************************************************************************
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef INTELCONTEXT_INC
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#define INTELCONTEXT_INC
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#include <stdbool.h>
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#include <string.h>
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#include "main/mtypes.h"
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#include "main/mm.h"
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#ifdef __cplusplus
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extern "C" {
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/* Evil hack for using libdrm in a c++ compiler. */
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#define virtual virt
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#endif
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#include "drm.h"
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#include "intel_bufmgr.h"
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#include "intel_screen.h"
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#include "intel_tex_obj.h"
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#include "i915_drm.h"
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#ifdef __cplusplus
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#undef virtual
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#endif
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#include "tnl/t_vertex.h"
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struct intel_region;
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struct intel_context;
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#define INTEL_WRITE_PART 0x1
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#define INTEL_WRITE_FULL 0x2
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#define INTEL_READ 0x4
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#ifndef likely
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#ifdef __GNUC__
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#define likely(expr) (__builtin_expect(expr, 1))
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#define unlikely(expr) (__builtin_expect(expr, 0))
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#else
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#define likely(expr) (expr)
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#define unlikely(expr) (expr)
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#endif
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#endif
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struct intel_sync_object {
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struct gl_sync_object Base;
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/** Batch associated with this sync object */
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drm_intel_bo *bo;
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};
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struct brw_context;
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struct intel_batchbuffer {
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/** Current batchbuffer being queued up. */
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drm_intel_bo *bo;
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/** Last BO submitted to the hardware. Used for glFinish(). */
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drm_intel_bo *last_bo;
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/** BO for post-sync nonzero writes for gen6 workaround. */
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drm_intel_bo *workaround_bo;
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bool need_workaround_flush;
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struct cached_batch_item *cached_items;
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uint16_t emit, total;
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uint16_t used, reserved_space;
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uint32_t *map;
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uint32_t *cpu_map;
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#define BATCH_SZ (8192*sizeof(uint32_t))
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uint32_t state_batch_offset;
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bool is_blit;
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bool needs_sol_reset;
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struct {
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uint16_t used;
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int reloc_count;
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} saved;
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};
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/**
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* intel_context is derived from Mesa's context class: struct gl_context.
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*/
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struct intel_context
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{
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struct gl_context ctx; /**< base class, must be first field */
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GLuint NewGLState;
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/**
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* Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
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*/
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int gen;
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int gt;
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bool is_haswell;
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bool is_baytrail;
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bool is_g4x;
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bool has_separate_stencil;
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bool must_use_separate_stencil;
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bool has_hiz;
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bool has_llc;
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bool has_swizzling;
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drm_intel_context *hw_ctx;
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struct intel_batchbuffer batch;
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drm_intel_bo *first_post_swapbuffers_batch;
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bool need_throttle;
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bool no_batch_wrap;
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/**
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* Set if we're either a debug context or the INTEL_DEBUG=perf environment
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* variable is set, this is the flag indicating to do expensive work that
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* might lead to a perf_debug() call.
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*/
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bool perf_debug;
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struct {
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drm_intel_bo *bo;
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GLuint offset;
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uint32_t buffer_len;
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uint32_t buffer_offset;
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char buffer[4096];
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} upload;
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uint32_t max_gtt_map_object_size;
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GLuint stats_wm;
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int driFd;
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__DRIcontext *driContext;
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struct intel_screen *intelScreen;
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};
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/**
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* Align a value down to an alignment value
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*
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* If \c value is not already aligned to the requested alignment value, it
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* will be rounded down.
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*
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* \param value Value to be rounded
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* \param alignment Alignment value to be used. This must be a power of two.
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*
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* \sa ALIGN()
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*/
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#define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
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static INLINE uint32_t
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U_FIXED(float value, uint32_t frac_bits)
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{
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value *= (1 << frac_bits);
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return value < 0 ? 0 : value;
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}
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static INLINE uint32_t
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S_FIXED(float value, uint32_t frac_bits)
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{
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return value * (1 << frac_bits);
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}
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/* ================================================================
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* From linux kernel i386 header files, copes with odd sizes better
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* than COPY_DWORDS would:
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* XXX Put this in src/mesa/main/imports.h ???
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*/
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#if defined(i386) || defined(__i386__)
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static INLINE void * __memcpy(void * to, const void * from, size_t n)
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{
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int d0, d1, d2;
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__asm__ __volatile__(
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"rep ; movsl\n\t"
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"testb $2,%b4\n\t"
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"je 1f\n\t"
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"movsw\n"
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"1:\ttestb $1,%b4\n\t"
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"je 2f\n\t"
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"movsb\n"
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"2:"
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: "=&c" (d0), "=&D" (d1), "=&S" (d2)
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:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
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: "memory");
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return (to);
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}
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#else
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#define __memcpy(a,b,c) memcpy(a,b,c)
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#endif
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/* ================================================================
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* Debugging:
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*/
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extern int INTEL_DEBUG;
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#define DEBUG_TEXTURE 0x1
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#define DEBUG_STATE 0x2
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#define DEBUG_IOCTL 0x4
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#define DEBUG_BLIT 0x8
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#define DEBUG_MIPTREE 0x10
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#define DEBUG_PERF 0x20
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#define DEBUG_BATCH 0x80
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#define DEBUG_PIXEL 0x100
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#define DEBUG_BUFMGR 0x200
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#define DEBUG_REGION 0x400
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#define DEBUG_FBO 0x800
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#define DEBUG_GS 0x1000
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#define DEBUG_SYNC 0x2000
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#define DEBUG_PRIMS 0x4000
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#define DEBUG_VERTS 0x8000
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#define DEBUG_DRI 0x10000
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#define DEBUG_SF 0x20000
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#define DEBUG_STATS 0x100000
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#define DEBUG_WM 0x400000
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#define DEBUG_URB 0x800000
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#define DEBUG_VS 0x1000000
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#define DEBUG_CLIP 0x2000000
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#define DEBUG_AUB 0x4000000
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#define DEBUG_SHADER_TIME 0x8000000
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#define DEBUG_BLORP 0x10000000
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#define DEBUG_NO16 0x20000000
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#ifdef HAVE_ANDROID_PLATFORM
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#define LOG_TAG "INTEL-MESA"
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#include <cutils/log.h>
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#ifndef ALOGW
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#define ALOGW LOGW
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#endif
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#define dbg_printf(...) ALOGW(__VA_ARGS__)
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#else
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#define dbg_printf(...) printf(__VA_ARGS__)
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#endif /* HAVE_ANDROID_PLATFORM */
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#define DBG(...) do { \
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if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
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dbg_printf(__VA_ARGS__); \
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} while(0)
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#define perf_debug(...) do { \
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static GLuint msg_id = 0; \
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if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
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dbg_printf(__VA_ARGS__); \
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if (intel->perf_debug) \
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_mesa_gl_debug(&intel->ctx, &msg_id, \
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MESA_DEBUG_TYPE_PERFORMANCE, \
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MESA_DEBUG_SEVERITY_MEDIUM, \
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__VA_ARGS__); \
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} while(0)
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#define WARN_ONCE(cond, fmt...) do { \
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if (unlikely(cond)) { \
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static bool _warned = false; \
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static GLuint msg_id = 0; \
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if (!_warned) { \
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fprintf(stderr, "WARNING: "); \
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fprintf(stderr, fmt); \
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_warned = true; \
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\
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_mesa_gl_debug(ctx, &msg_id, \
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MESA_DEBUG_TYPE_OTHER, \
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MESA_DEBUG_SEVERITY_HIGH, fmt); \
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} \
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} \
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} while (0)
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/* ================================================================
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* intel_context.c:
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*/
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extern bool intelInitContext(struct brw_context *brw,
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int api,
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unsigned major_version,
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unsigned minor_version,
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const struct gl_config * mesaVis,
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__DRIcontext * driContextPriv,
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void *sharedContextPrivate,
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struct dd_function_table *functions,
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unsigned *dri_ctx_error);
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extern void intelFinish(struct gl_context * ctx);
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extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
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#define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
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extern void intelInitDriverFunctions(struct dd_function_table *functions);
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void intel_init_syncobj_functions(struct dd_function_table *functions);
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enum {
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DRI_CONF_BO_REUSE_DISABLED,
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DRI_CONF_BO_REUSE_ALL
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};
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extern int intel_translate_shadow_compare_func(GLenum func);
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extern int intel_translate_compare_func(GLenum func);
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extern int intel_translate_stencil_op(GLenum op);
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extern int intel_translate_logic_op(GLenum opcode);
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void intel_update_renderbuffers(__DRIcontext *context,
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__DRIdrawable *drawable);
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void intel_prepare_render(struct brw_context *brw);
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void
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intel_resolve_for_dri2_flush(struct brw_context *brw,
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__DRIdrawable *drawable);
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extern void
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intelInitExtensions(struct gl_context *ctx);
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extern void
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intelInitClearFuncs(struct dd_function_table *functions);
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/*======================================================================
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* Inline conversion functions.
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* These are better-typed than the macros used previously:
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*/
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static INLINE struct intel_context *
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intel_context(struct gl_context * ctx)
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{
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return (struct intel_context *) ctx;
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}
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static INLINE bool
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is_power_of_two(uint32_t value)
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{
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return (value & (value - 1)) == 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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