/**************************************************************************
*
* 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"
#define TAG(x) intel##x
#include "tnl_dd/t_dd_vertex.h"
#undef TAG
#define DV_PF_555 (1<<8)
#define DV_PF_565 (2<<8)
#define DV_PF_8888 (3<<8)
#define DV_PF_4444 (8<<8)
#define DV_PF_1555 (9<<8)
struct intel_region;
struct intel_context;
typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
intelVertex *, intelVertex *);
typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
intelVertex *);
typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
/**
* Bits for intel->Fallback field
*/
/*@{*/
#define INTEL_FALLBACK_DRAW_BUFFER 0x1
#define INTEL_FALLBACK_READ_BUFFER 0x2
#define INTEL_FALLBACK_DEPTH_BUFFER 0x4
#define INTEL_FALLBACK_STENCIL_BUFFER 0x8
#define INTEL_FALLBACK_USER 0x10
#define INTEL_FALLBACK_RENDERMODE 0x20
#define INTEL_FALLBACK_TEXTURE 0x40
#define INTEL_FALLBACK_DRIVER 0x1000 /**< first for drivers */
/*@}*/
extern void intelFallback(struct intel_context *intel, GLbitfield bit,
bool mode);
#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
#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 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;
uint16_t emit, total;
uint16_t used, reserved_space;
uint32_t *map;
uint32_t *cpu_map;
#define BATCH_SZ (8192*sizeof(uint32_t))
};
/**
* intel_context is derived from Mesa's context class: struct gl_context.
*/
struct intel_context
{
struct gl_context ctx; /**< base class, must be first field */
struct
{
void (*destroy) (struct intel_context * intel);
void (*emit_state) (struct intel_context * intel);
void (*finish_batch) (struct intel_context * intel);
void (*new_batch) (struct intel_context * intel);
void (*emit_invarient_state) (struct intel_context * intel);
void (*update_texture_state) (struct intel_context * intel);
void (*render_start) (struct intel_context * intel);
void (*render_prevalidate) (struct intel_context * intel);
void (*set_draw_region) (struct intel_context * intel,
struct intel_region * draw_regions[],
struct intel_region * depth_region,
GLuint num_regions);
void (*update_draw_buffer)(struct intel_context *intel);
void (*reduced_primitive_state) (struct intel_context * intel,
GLenum rprim);
bool (*check_vertex_size) (struct intel_context * intel,
GLuint expected);
void (*invalidate_state) (struct intel_context *intel,
GLuint new_state);
void (*assert_not_dirty) (struct intel_context *intel);
void (*debug_batch)(struct intel_context *intel);
void (*annotate_aub)(struct intel_context *intel);
bool (*render_target_supported)(struct intel_context *intel,
struct gl_renderbuffer *rb);
} vtbl;
GLbitfield Fallback; /**< mask of INTEL_FALLBACK_x bits */
GLuint NewGLState;
dri_bufmgr *bufmgr;
unsigned int maxBatchSize;
/**
* Generation number of the hardware: 2 is 8xx, 3 is 9xx pre-965, 4 is 965.
*/
int gen;
bool is_945;
bool has_swizzling;
struct intel_batchbuffer batch;
drm_intel_bo *first_post_swapbuffers_batch;
bool need_throttle;
bool no_batch_wrap;
bool tnl_pipeline_running; /**< Set while i915's _tnl_run_pipeline. */
/**
* Set if we're either a debug context or the INTEL_DEBUG=perf environment
* variable is set, this is the flag indicating to do expensive work that
* might lead to a perf_debug() call.
*/
bool perf_debug;
struct
{
GLuint id;
uint32_t start_ptr; /**< for i8xx */
uint32_t primitive; /**< Current hardware primitive type */
void (*flush) (struct intel_context *);
drm_intel_bo *vb_bo;
uint8_t *vb;
unsigned int start_offset; /**< Byte offset of primitive sequence */
unsigned int current_offset; /**< Byte offset of next vertex */
unsigned int count; /**< Number of vertices in current primitive */
} prim;
struct {
drm_intel_bo *bo;
GLuint offset;
uint32_t buffer_len;
uint32_t buffer_offset;
char buffer[4096];
} upload;
uint32_t max_gtt_map_object_size;
/* Offsets of fields within the current vertex:
*/
GLuint coloroffset;
GLuint specoffset;
GLuint wpos_offset;
struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
GLuint vertex_attr_count;
GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
bool hw_stencil;
bool hw_stipple;
bool no_rast;
bool always_flush_batch;
bool always_flush_cache;
bool disable_throttling;
/* State for intelvb.c and inteltris.c.
*/
GLuint RenderIndex;
GLmatrix ViewportMatrix;
GLenum render_primitive;
GLenum reduced_primitive; /*< Only gen < 6 */
GLuint vertex_size;
GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
/* Fallback rasterization functions
*/
intel_point_func draw_point;
intel_line_func draw_line;
intel_tri_func draw_tri;
/**
* Set if rendering has occured to the drawable's front buffer.
*
* This is used in the DRI2 case to detect that glFlush should also copy
* the contents of the fake front buffer to the real front buffer.
*/
bool front_buffer_dirty;
/**
* Track whether front-buffer rendering is currently enabled
*
* A separate flag is used to track this in order to support MRT more
* easily.
*/
bool is_front_buffer_rendering;
/**
* Track whether front-buffer is the current read target.
*
* This is closely associated with is_front_buffer_rendering, but may
* be set separately. The DRI2 fake front buffer must be referenced
* either way.
*/
bool is_front_buffer_reading;
bool use_early_z;
int driFd;
__DRIcontext *driContext;
struct intel_screen *intelScreen;
void (*saved_viewport)(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height);
/**
* Configuration cache
*/
driOptionCache optionCache;
};
extern char *__progname;
#define SUBPIXEL_X 0.125
#define SUBPIXEL_Y 0.125
/**
* 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);
}
#define INTEL_FIREVERTICES(intel) \
do { \
if ((intel)->prim.flush) \
(intel)->prim.flush(intel); \
} while (0)
/* ================================================================
* 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_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_SYNC 0x2000
#define DEBUG_DRI 0x10000
#define DEBUG_STATS 0x100000
#define DEBUG_WM 0x400000
#define DEBUG_AUB 0x4000000
#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 (intel->perf_debug) \
_mesa_gl_debug(&intel->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 intel_context *intel,
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_rendering_to_batch(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);
/* ================================================================
* intel_state.c:
*/
#define COMPAREFUNC_ALWAYS 0
#define COMPAREFUNC_NEVER 0x1
#define COMPAREFUNC_LESS 0x2
#define COMPAREFUNC_EQUAL 0x3
#define COMPAREFUNC_LEQUAL 0x4
#define COMPAREFUNC_GREATER 0x5
#define COMPAREFUNC_NOTEQUAL 0x6
#define COMPAREFUNC_GEQUAL 0x7
#define STENCILOP_KEEP 0
#define STENCILOP_ZERO 0x1
#define STENCILOP_REPLACE 0x2
#define STENCILOP_INCRSAT 0x3
#define STENCILOP_DECRSAT 0x4
#define STENCILOP_INCR 0x5
#define STENCILOP_DECR 0x6
#define STENCILOP_INVERT 0x7
#define LOGICOP_CLEAR 0
#define LOGICOP_NOR 0x1
#define LOGICOP_AND_INV 0x2
#define LOGICOP_COPY_INV 0x3
#define LOGICOP_AND_RVRSE 0x4
#define LOGICOP_INV 0x5
#define LOGICOP_XOR 0x6
#define LOGICOP_NAND 0x7
#define LOGICOP_AND 0x8
#define LOGICOP_EQUIV 0x9
#define LOGICOP_NOOP 0xa
#define LOGICOP_OR_INV 0xb
#define LOGICOP_COPY 0xc
#define LOGICOP_OR_RVRSE 0xd
#define LOGICOP_OR 0xe
#define LOGICOP_SET 0xf
#define BLENDFACT_ZERO 0x01
#define BLENDFACT_ONE 0x02
#define BLENDFACT_SRC_COLR 0x03
#define BLENDFACT_INV_SRC_COLR 0x04
#define BLENDFACT_SRC_ALPHA 0x05
#define BLENDFACT_INV_SRC_ALPHA 0x06
#define BLENDFACT_DST_ALPHA 0x07
#define BLENDFACT_INV_DST_ALPHA 0x08
#define BLENDFACT_DST_COLR 0x09
#define BLENDFACT_INV_DST_COLR 0x0a
#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
#define BLENDFACT_CONST_COLOR 0x0c
#define BLENDFACT_INV_CONST_COLOR 0x0d
#define BLENDFACT_CONST_ALPHA 0x0e
#define BLENDFACT_INV_CONST_ALPHA 0x0f
#define BLENDFACT_MASK 0x0f
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_blend_factor(GLenum factor);
extern int intel_translate_logic_op(GLenum opcode);
void intel_update_renderbuffers(__DRIcontext *context,
__DRIdrawable *drawable);
void intel_prepare_render(struct intel_context *intel);
void i915_set_buf_info_for_region(uint32_t *state, struct intel_region *region,
uint32_t buffer_id);
void intel_init_texture_formats(struct gl_context *ctx);
/*======================================================================
* Inline conversion functions.
* These are better-typed than the macros used previously:
*/
static INLINE struct intel_context *
intel_context(struct gl_context * ctx)
{
return (struct intel_context *) ctx;
}
static INLINE bool
is_power_of_two(uint32_t value)
{
return (value & (value - 1)) == 0;
}
#ifdef __cplusplus
}
#endif
#endif