src/mesa/drivers/dri/i915/intel_batchbuffer.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef INTEL_BATCHBUFFER_H
  29 #define INTEL_BATCHBUFFER_H
  30
  31 #include "intel_context.h"
  32 #include "intel_ioctl.h"
  33
  34
  35 #define BATCH_LOCALS    GLubyte *batch_ptr;
  36
  37 /* #define VERBOSE 0 */
  38 #ifndef VERBOSE
  39 extern int VERBOSE;
  40 #endif
  41
  42
  43 #define BEGIN_BATCH(n)                                                  \
  44 do {                                                                    \
  45    if (VERBOSE) fprintf(stderr,                                         \
  46                         "BEGIN_BATCH(%ld) in %s, %d dwords free\n",     \
  47                         ((unsigned long)n), __FUNCTION__,               \
  48                         intel->batch.space/4);                          \
  49    if (intel->batch.space < (n)*4)                                      \
  50       intelFlushBatch(intel, GL_TRUE);                                  \
  51    if (intel->batch.space == intel->batch.size) intel->batch.func = __FUNCTION__;                       \
  52    batch_ptr = intel->batch.ptr;                                        \
  53 } while (0)
  54
  55 #define OUT_BATCH(n)                                    \
  56 do {                                                    \
  57    *(GLuint *)batch_ptr = (n);                          \
  58    if (VERBOSE) fprintf(stderr, " -- %08x at %s/%d\n", (n), __FILE__, __LINE__);        \
  59    batch_ptr += 4;                                      \
  60 } while (0)
  61
  62 #define ADVANCE_BATCH()                                         \
  63 do {                                                            \
  64    if (VERBOSE) fprintf(stderr, "ADVANCE_BATCH()\n");           \
  65    intel->batch.space -= (batch_ptr - intel->batch.ptr);        \
  66    intel->batch.ptr = batch_ptr;                                \
  67    assert(intel->batch.space >= 0);                             \
  68 } while(0)
  69
  70 extern void intelInitBatchBuffer( GLcontext *ctx );
  71 extern void intelDestroyBatchBuffer( GLcontext *ctx );
  72
  73 extern void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim );
  74 extern void intelWrapInlinePrimitive( intelContextPtr intel );
  75 extern void intelRestartInlinePrimitive( intelContextPtr intel );
  76 extern GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
  77                                               int primitive, int dwords,
  78                                               int vertex_size);
  79 extern void intelCopyBuffer( const __DRIdrawablePrivate *dpriv,
  80                              const drm_clip_rect_t      *rect);
  81 extern void intelClearWithBlit(GLcontext *ctx, GLbitfield mask, GLboolean all,
  82                              GLint cx1, GLint cy1, GLint cw, GLint ch);
  83
  84 extern void intelEmitCopyBlitLocked( intelContextPtr intel,
  85                                      GLuint cpp,
  86                                      GLshort src_pitch,
  87                                      GLuint  src_offset,
  88                                      GLshort dst_pitch,
  89                                      GLuint  dst_offset,
  90                                      GLshort srcx, GLshort srcy,
  91                                      GLshort dstx, GLshort dsty,
  92                                      GLshort w, GLshort h );
  93
  94 extern void intelEmitFillBlitLocked( intelContextPtr intel,
  95                                      GLuint cpp,
  96                                      GLshort dst_pitch,
  97                                      GLuint dst_offset,
  98                                      GLshort x, GLshort y,
  99                                      GLshort w, GLshort h,
 100                                      GLuint color );
 101
 102
 103
 104
 105 static __inline GLuint *intelExtendInlinePrimitive( intelContextPtr intel,
 106                                                 GLuint dwords )
 107 {
 108    GLuint sz = dwords * sizeof(GLuint);
 109    GLuint *ptr;
 110
 111    if (intel->batch.space < sz) {
 112       intelWrapInlinePrimitive( intel );
 113 /*       assert(intel->batch.space >= sz); */
 114    }
 115
 116 /*    assert(intel->prim.primitive != ~0); */
 117    ptr = (GLuint *)intel->batch.ptr;
 118    intel->batch.ptr += sz;
 119    intel->batch.space -= sz;
 120
 121    return ptr;
 122 }
 123
 124
 125
 126 #endif