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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 INTELCONTEXT_INC
#define INTELCONTEXT_INC
#include <stdbool.h>
#include <string.h>
#include "main/mtypes.h"
#include "main/mm.h"
#ifdef __cplusplus
extern "C" {
/* Evil hack for using libdrm in a c++ compiler. */
#define virtual virt
#endif
#include "drm.h"
#include "intel_bufmgr.h"
#include "intel_screen.h"
#include "intel_tex_obj.h"
#include "i915_drm.h"
#ifdef __cplusplus
#undef virtual
#endif
#include "tnl/t_vertex.h"
struct intel_region;
#define INTEL_WRITE_PART 0x1
#define INTEL_WRITE_FULL 0x2
#define INTEL_READ 0x4
#ifndef likely
#ifdef __GNUC__
#define likely(expr) (__builtin_expect(expr, 1))
#define unlikely(expr) (__builtin_expect(expr, 0))
#else
#define likely(expr) (expr)
#define unlikely(expr) (expr)
#endif
#endif
struct intel_sync_object {
struct gl_sync_object Base;
/** Batch associated with this sync object */
drm_intel_bo *bo;
};
struct brw_context;
struct intel_batchbuffer {
/** Current batchbuffer being queued up. */
drm_intel_bo *bo;
/** Last BO submitted to the hardware. Used for glFinish(). */
drm_intel_bo *last_bo;
/** BO for post-sync nonzero writes for gen6 workaround. */
drm_intel_bo *workaround_bo;
bool need_workaround_flush;
struct cached_batch_item *cached_items;
uint16_t emit, total;
uint16_t used, reserved_space;
uint32_t *map;
uint32_t *cpu_map;
#define BATCH_SZ (8192*sizeof(uint32_t))
uint32_t state_batch_offset;
bool is_blit;
bool needs_sol_reset;
struct {
uint16_t used;
int reloc_count;
} saved;
};
/**
* Align a value down to an alignment value
*
* If \c value is not already aligned to the requested alignment value, it
* will be rounded down.
*
* \param value Value to be rounded
* \param alignment Alignment value to be used. This must be a power of two.
*
* \sa ALIGN()
*/
#define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
static INLINE uint32_t
U_FIXED(float value, uint32_t frac_bits)
{
value *= (1 << frac_bits);
return value < 0 ? 0 : value;
}
static INLINE uint32_t
S_FIXED(float value, uint32_t frac_bits)
{
return value * (1 << frac_bits);
}
/* ================================================================
* From linux kernel i386 header files, copes with odd sizes better
* than COPY_DWORDS would:
* XXX Put this in src/mesa/main/imports.h ???
*/
#if defined(i386) || defined(__i386__)
static INLINE void * __memcpy(void * to, const void * from, size_t n)
{
int d0, d1, d2;
__asm__ __volatile__(
"rep ; movsl\n\t"
"testb $2,%b4\n\t"
"je 1f\n\t"
"movsw\n"
"1:\ttestb $1,%b4\n\t"
"je 2f\n\t"
"movsb\n"
"2:"
: "=&c" (d0), "=&D" (d1), "=&S" (d2)
:"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
: "memory");
return (to);
}
#else
#define __memcpy(a,b,c) memcpy(a,b,c)
#endif
/* ================================================================
* Debugging:
*/
extern int INTEL_DEBUG;
#define DEBUG_TEXTURE 0x1
#define DEBUG_STATE 0x2
#define DEBUG_IOCTL 0x4
#define DEBUG_BLIT 0x8
#define DEBUG_MIPTREE 0x10
#define DEBUG_PERF 0x20
#define DEBUG_BATCH 0x80
#define DEBUG_PIXEL 0x100
#define DEBUG_BUFMGR 0x200
#define DEBUG_REGION 0x400
#define DEBUG_FBO 0x800
#define DEBUG_GS 0x1000
#define DEBUG_SYNC 0x2000
#define DEBUG_PRIMS 0x4000
#define DEBUG_VERTS 0x8000
#define DEBUG_DRI 0x10000
#define DEBUG_SF 0x20000
#define DEBUG_STATS 0x100000
#define DEBUG_WM 0x400000
#define DEBUG_URB 0x800000
#define DEBUG_VS 0x1000000
#define DEBUG_CLIP 0x2000000
#define DEBUG_AUB 0x4000000
#define DEBUG_SHADER_TIME 0x8000000
#define DEBUG_BLORP 0x10000000
#define DEBUG_NO16 0x20000000
#define DEBUG_VUE 0x40000000
#ifdef HAVE_ANDROID_PLATFORM
#define LOG_TAG "INTEL-MESA"
#include <cutils/log.h>
#ifndef ALOGW
#define ALOGW LOGW
#endif
#define dbg_printf(...) ALOGW(__VA_ARGS__)
#else
#define dbg_printf(...) printf(__VA_ARGS__)
#endif /* HAVE_ANDROID_PLATFORM */
#define DBG(...) do { \
if (unlikely(INTEL_DEBUG & FILE_DEBUG_FLAG)) \
dbg_printf(__VA_ARGS__); \
} while(0)
#define perf_debug(...) do { \
static GLuint msg_id = 0; \
if (unlikely(INTEL_DEBUG & DEBUG_PERF)) \
dbg_printf(__VA_ARGS__); \
if (brw->perf_debug) \
_mesa_gl_debug(&brw->ctx, &msg_id, \
MESA_DEBUG_TYPE_PERFORMANCE, \
MESA_DEBUG_SEVERITY_MEDIUM, \
__VA_ARGS__); \
} while(0)
#define WARN_ONCE(cond, fmt...) do { \
if (unlikely(cond)) { \
static bool _warned = false; \
static GLuint msg_id = 0; \
if (!_warned) { \
fprintf(stderr, "WARNING: "); \
fprintf(stderr, fmt); \
_warned = true; \
\
_mesa_gl_debug(ctx, &msg_id, \
MESA_DEBUG_TYPE_OTHER, \
MESA_DEBUG_SEVERITY_HIGH, fmt); \
} \
} \
} while (0)
/* ================================================================
* intel_context.c:
*/
extern bool intelInitContext(struct brw_context *brw,
int api,
unsigned major_version,
unsigned minor_version,
const struct gl_config * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate,
struct dd_function_table *functions,
unsigned *dri_ctx_error);
extern void intelFinish(struct gl_context * ctx);
extern void _intel_flush(struct gl_context * ctx, const char *file, int line);
#define intel_flush(ctx) _intel_flush(ctx, __FILE__, __LINE__)
extern void intelInitDriverFunctions(struct dd_function_table *functions);
void intel_init_syncobj_functions(struct dd_function_table *functions);
enum {
DRI_CONF_BO_REUSE_DISABLED,
DRI_CONF_BO_REUSE_ALL
};
extern int intel_translate_shadow_compare_func(GLenum func);
extern int intel_translate_compare_func(GLenum func);
extern int intel_translate_stencil_op(GLenum op);
extern int intel_translate_logic_op(GLenum opcode);
void intel_update_renderbuffers(__DRIcontext *context,
__DRIdrawable *drawable);
void intel_prepare_render(struct brw_context *brw);
void
intel_resolve_for_dri2_flush(struct brw_context *brw,
__DRIdrawable *drawable);
extern void
intelInitExtensions(struct gl_context *ctx);
extern void
intelInitClearFuncs(struct dd_function_table *functions);
static INLINE bool
is_power_of_two(uint32_t value)
{
return (value & (value - 1)) == 0;
}
#ifdef __cplusplus
}
#endif
#endif
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