src/mesa/drivers/dri/r600/r600_context.h

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /**
  31  * \file
  32  *
  33  * \author Keith Whitwell <keith@tungstengraphics.com>
  34  * \author Nicolai Haehnle <prefect_@gmx.net>
  35  */
  36
  37 #ifndef __R600_CONTEXT_H__
  38 #define __R600_CONTEXT_H__
  39
  40 #include "tnl/t_vertex.h"
  41 #include "drm.h"
  42 #include "radeon_drm.h"
  43 #include "dri_util.h"
  44 #include "texmem.h"
  45 #include "radeon_common.h"
  46
  47 #include "main/macros.h"
  48 #include "main/mtypes.h"
  49 #include "main/colormac.h"
  50
  51 struct r600_context;
  52 typedef struct r600_context r600ContextRec;
  53 typedef struct r600_context *r600ContextPtr;
  54
  55 typedef struct r600_context context_t;
  56
  57 #include "main/mm.h"
  58
  59 /* From http://gcc. gnu.org/onlinedocs/gcc-3.2.3/gcc/Variadic-Macros.html .
  60    I suppose we could inline this and use macro to fetch out __LINE__ and stuff in case we run into trouble
  61    with other compilers ... GLUE!
  62 */
  63 #define WARN_ONCE(a, ...)       { \
  64         static int warn##__LINE__=1; \
  65         if(warn##__LINE__){ \
  66                 fprintf(stderr, "*********************************WARN_ONCE*********************************\n"); \
  67                 fprintf(stderr, "File %s function %s line %d\n", \
  68                         __FILE__, __FUNCTION__, __LINE__); \
  69                 fprintf(stderr,  a, ## __VA_ARGS__);\
  70                 fprintf(stderr, "***************************************************************************\n"); \
  71                 warn##__LINE__=0;\
  72                 } \
  73         }
  74
  75 /************ DMA BUFFERS **************/
  76
  77 /* The blit width for texture uploads
  78  */
  79 #define R600_BLIT_WIDTH_BYTES 1024
  80 #define R600_MAX_TEXTURE_UNITS 8
  81
  82 struct r600_texture_state {
  83         int tc_count;           /* number of incoming texture coordinates from VAP */
  84 };
  85
  86 /* Perhaps more if we store programs in vmem? */
  87 /* drm_r600_cmd_header_t->vpu->count is unsigned char */
  88 #define VSF_MAX_FRAGMENT_LENGTH (255*4)
  89
  90 /* Can be tested with colormat currently. */
  91 #define VSF_MAX_FRAGMENT_TEMPS (14)
  92
  93 #define STATE_R600_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0)
  94 #define STATE_R600_TEXRECT_FACTOR (STATE_INTERNAL_DRIVER+1)
  95
  96 extern int hw_tcl_on;
  97
  98 #define COLOR_IS_RGBA
  99 #define TAG(x) r600##x
 100 #include "tnl_dd/t_dd_vertex.h"
 101 #undef TAG
 102
 103 #define PFS_MAX_ALU_INST        64
 104 #define PFS_MAX_TEX_INST        64
 105 #define PFS_MAX_TEX_INDIRECT 4
 106 #define PFS_NUM_TEMP_REGS       32
 107 #define PFS_NUM_CONST_REGS      16
 108
 109 #define R600_MAX_AOS_ARRAYS             16
 110
 111 #define REG_COORDS      0
 112 #define REG_COLOR0      1
 113 #define REG_TEX0        2
 114
 115 #define R600_FALLBACK_NONE 0
 116 #define R600_FALLBACK_TCL 1
 117 #define R600_FALLBACK_RAST 2
 118
 119 /* r600_swtcl.c
 120  */
 121 struct r600_swtcl_info {
 122   /*
 123     * Offset of the 4UB color data within a hardware (swtcl) vertex.
 124     */
 125    GLuint coloroffset;
 126
 127    /**
 128     * Offset of the 3UB specular color data within a hardware (swtcl) vertex.
 129     */
 130    GLuint specoffset;
 131
 132    struct vertex_attribute{
 133        GLuint attr;
 134        GLubyte format;
 135        GLubyte dst_loc;
 136        GLuint swizzle;
 137        GLubyte write_mask;
 138    } vert_attrs[VERT_ATTRIB_MAX];
 139
 140    GLubyte vertex_attr_count;
 141 };
 142
 143 enum
 144 {
 145     NO_SHIFT    = 0,
 146     LEFT_SHIFT  = 1,
 147     RIGHT_SHIFT = 2,
 148 };
 149
 150 typedef struct offset_modifiers
 151 {
 152     GLuint shift;
 153     GLuint shiftbits;
 154     GLuint mask;
 155 } offset_modifiers;
 156
 157 typedef struct chip_object
 158 {
 159     void      *pvChipObj;
 160
 161     /* ------------  OUT ------------------- */
 162     GLboolean (*DestroyChipObj)(GLcontext * ctx);
 163
 164     void      (*InitFuncs)(struct dd_function_table *functions);
 165
 166     void      (*InitState)(GLcontext * ctx);
 167
 168     GLuint    (*GetTexObjSize)(void);
 169
 170     /* ------------  IN  ------------------- */
 171     GLboolean (*EmitShader)( GLcontext * ctx,
 172                              void ** shaderbo,
 173                                          GLvoid * data,
 174                              int sizeinDWORD,
 175                              char * szShaderUsage);
 176     GLboolean (*DeleteShader)(GLcontext * ctx,
 177                               void * shaderbo);
 178     struct tnl_pipeline_stage **stages;
 179 } chip_object;
 180
 181 /**
 182  * \brief R600 context structure.
 183  */
 184 struct r600_context {
 185         struct radeon_context radeon;   /* parent class, must be first */
 186
 187     /* ------ */
 188     chip_object chipobj;
 189
 190         /* Vertex buffers
 191          */
 192         GLvector4f dummy_attrib[_TNL_ATTRIB_MAX];
 193         GLvector4f *temp_attrib[_TNL_ATTRIB_MAX];
 194
 195         GLboolean disable_lowimpact_fallback;
 196
 197         struct r600_swtcl_info swtcl;
 198         GLboolean vap_flush_needed;
 199 };
 200
 201 #define R600_CONTEXT(ctx)               ((r600ContextPtr)(ctx->DriverCtx))
 202 #define R700_CONTEXT(ctx)               ((context_t *)(ctx->DriverCtx))
 203 #define GL_CONTEXT(context)     ((GLcontext *)(context->radeon.glCtx))
 204
 205 extern void r600DestroyContext(__DRIcontextPrivate * driContextPriv);
 206 extern GLboolean r600CreateContext(const __GLcontextModes * glVisual,
 207                                    __DRIcontextPrivate * driContextPriv,
 208                                    void *sharedContextPrivate);
 209
 210 #define RADEON_D_CAPTURE 0
 211 #define RADEON_D_PLAYBACK 1
 212 #define RADEON_D_PLAYBACK_RAW 2
 213 #define RADEON_D_T 3
 214
 215 #define r600PackFloat32 radeonPackFloat32
 216 #define r600PackFloat24 radeonPackFloat24
 217
 218 #endif                          /* __R600_CONTEXT_H__ */