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/*
* GLX Hardware Device Driver for Intel i810
* Copyright (C) 1999 Keith Whitwell
*
* 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 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
* KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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 I810LIB_INC
#define I810LIB_INC
#include <stdio.h>
#include "i810context.h"
#include "mm.h"
#include "i810log.h"
struct i810_mem_range {
unsigned long Start;
unsigned long End;
unsigned long Size;
};
struct i810_batch_buffer;
struct i810_ring_buffer {
int tail_mask;
struct i810_mem_range mem;
char *virtual_start;
int head;
int tail;
int space;
int synced;
};
typedef struct {
/* logging stuff */
GLuint logLevel;
FILE *logFile;
/* bookkeeping for texture swaps */
GLuint dma_buffer_age;
GLuint current_texture_age;
/* options */
GLuint nullprims; /* skip all primitive generation */
GLuint boxes; /* draw performance boxes */
GLuint noFallback; /* don't fall back to software */
GLuint skipDma; /* don't send anything to hardware */
/* performance counters */
GLuint c_setupPointers;
GLuint c_triangles;
GLuint c_points;
GLuint c_lines;
GLuint c_drawWaits;
GLuint c_textureSwaps;
GLuint c_dmaFlush;
GLuint c_overflows;
GLuint c_ringlost;
GLuint c_texlost;
GLuint c_ctxlost;
GLuint hardwareWentIdle; /* cleared each swapbuffers, set if a
waitfordmacompletion ever exited
without having to wait */
unsigned char *texVirtual;
struct i810_batch_buffer *dma_buffer;
struct i810_ring_buffer LpRing;
unsigned char *MMIOBase;
} i810Glx_t;
extern i810Glx_t i810glx;
#define I810PACKCOLOR1555(r,g,b,a) \
((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
((a) ? 0x8000 : 0))
#define I810PACKCOLOR565(r,g,b) \
((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
#define I810PACKCOLOR4444(r,g,b,a) \
((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
#include "i810_3d_reg.h"
static __inline__ GLuint i810PackColor(GLuint format,
GLubyte r, GLubyte g,
GLubyte b, GLubyte a)
{
switch (format) {
case DV_PF_555:
return I810PACKCOLOR1555(r,g,b,a);
case DV_PF_565:
return I810PACKCOLOR565(r,g,b);
default:
fprintf(stderr, "unknown format %d\n", (int)format);
return 0;
}
}
#endif
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