src/mesa/drivers/dri/i915/i830_context.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 VMware, Inc.
   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 VMWARE 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 I830CONTEXT_INC
  29 #define I830CONTEXT_INC
  30
  31 #include "intel_context.h"
  32
  33 #define I830_FALLBACK_TEXTURE            0x1000
  34 #define I830_FALLBACK_COLORMASK          0x2000
  35 #define I830_FALLBACK_STENCIL            0x4000
  36 #define I830_FALLBACK_STIPPLE            0x8000
  37 #define I830_FALLBACK_LOGICOP            0x20000
  38 #define I830_FALLBACK_DRAW_OFFSET        0x200000
  39
  40 #define I830_UPLOAD_CTX              0x1
  41 #define I830_UPLOAD_BUFFERS          0x2
  42 #define I830_UPLOAD_STIPPLE          0x4
  43 #define I830_UPLOAD_INVARIENT        0x8
  44 #define I830_UPLOAD_RASTER_RULES     0x10
  45 #define I830_UPLOAD_TEX(i)           (0x10<<(i))
  46 #define I830_UPLOAD_TEXBLEND(i)      (0x100<<(i))
  47 #define I830_UPLOAD_TEX_ALL          (0x0f0)
  48 #define I830_UPLOAD_TEXBLEND_ALL     (0xf00)
  49
  50 /* State structure offsets - these will probably disappear.
  51  */
  52 #define I830_DESTREG_CBUFADDR0 0
  53 #define I830_DESTREG_CBUFADDR1 1
  54 #define I830_DESTREG_DBUFADDR0 2
  55 #define I830_DESTREG_DBUFADDR1 3
  56 #define I830_DESTREG_DV0 4
  57 #define I830_DESTREG_DV1 5
  58 #define I830_DESTREG_SENABLE 6
  59 #define I830_DESTREG_SR0 7
  60 #define I830_DESTREG_SR1 8
  61 #define I830_DESTREG_SR2 9
  62 #define I830_DESTREG_DRAWRECT0 10
  63 #define I830_DESTREG_DRAWRECT1 11
  64 #define I830_DESTREG_DRAWRECT2 12
  65 #define I830_DESTREG_DRAWRECT3 13
  66 #define I830_DESTREG_DRAWRECT4 14
  67 #define I830_DESTREG_DRAWRECT5 15
  68 #define I830_DEST_SETUP_SIZE 16
  69
  70 #define I830_CTXREG_STATE1              0
  71 #define I830_CTXREG_STATE2              1
  72 #define I830_CTXREG_STATE3              2
  73 #define I830_CTXREG_STATE4              3
  74 #define I830_CTXREG_STATE5              4
  75 #define I830_CTXREG_IALPHAB             5
  76 #define I830_CTXREG_STENCILTST          6
  77 #define I830_CTXREG_ENABLES_1           7
  78 #define I830_CTXREG_ENABLES_2           8
  79 #define I830_CTXREG_AA                  9
  80 #define I830_CTXREG_FOGCOLOR            10
  81 #define I830_CTXREG_BLENDCOLOR0         11
  82 #define I830_CTXREG_BLENDCOLOR1         12
  83 #define I830_CTXREG_VF                  13
  84 #define I830_CTXREG_VF2                 14
  85 #define I830_CTXREG_MCSB0               15
  86 #define I830_CTXREG_MCSB1               16
  87 #define I830_CTX_SETUP_SIZE             17
  88
  89 #define I830_STPREG_ST0        0
  90 #define I830_STPREG_ST1        1
  91 #define I830_STP_SETUP_SIZE    2
  92
  93 #define I830_TEXREG_TM0LI      0        /* load immediate 2 texture map n */
  94 #define I830_TEXREG_TM0S1      1
  95 #define I830_TEXREG_TM0S2      2
  96 #define I830_TEXREG_TM0S3      3
  97 #define I830_TEXREG_TM0S4      4
  98 #define I830_TEXREG_MCS        5        /* _3DSTATE_MAP_COORD_SETS */
  99 #define I830_TEXREG_CUBE       6        /* _3DSTATE_MAP_SUBE */
 100 #define I830_TEX_SETUP_SIZE    7
 101
 102 #define I830_TEXBLEND_SIZE      12      /* (4 args + op) * 2 + COLOR_FACTOR */
 103
 104 enum {
 105    I830_RASTER_RULES,
 106    I830_RASTER_RULES_SIZE
 107 };
 108
 109 struct i830_texture_object
 110 {
 111    struct intel_texture_object intel;
 112    GLuint Setup[I830_TEX_SETUP_SIZE];
 113 };
 114
 115 #define I830_TEX_UNITS 4
 116
 117 struct i830_hw_state
 118 {
 119    GLuint Ctx[I830_CTX_SETUP_SIZE];
 120    GLuint Buffer[I830_DEST_SETUP_SIZE];
 121    GLuint Stipple[I830_STP_SETUP_SIZE];
 122    GLuint RasterRules[I830_RASTER_RULES_SIZE];
 123    GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
 124    GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
 125    GLuint TexBlendWordsUsed[I830_TEX_UNITS];
 126
 127    struct intel_region *draw_region;
 128    struct intel_region *depth_region;
 129
 130    /* Regions aren't actually that appropriate here as the memory may
 131     * be from a PBO or FBO.  Will have to do this for draw and depth for
 132     * FBO's...
 133     */
 134    drm_intel_bo *tex_buffer[I830_TEX_UNITS];
 135    GLuint tex_offset[I830_TEX_UNITS];
 136
 137    GLuint emitted;              /* I810_UPLOAD_* */
 138    GLuint active;
 139 };
 140
 141 struct i830_context
 142 {
 143    struct intel_context intel;
 144
 145    GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS];
 146    GLbitfield64 last_index_bitset;
 147
 148    struct i830_hw_state state;
 149 };
 150
 151
 152
 153
 154 #define I830_STATECHANGE(i830, flag)                            \
 155 do {                                                            \
 156    INTEL_FIREVERTICES( &i830->intel );                          \
 157    i830->state.emitted &= ~flag;                                        \
 158 } while (0)
 159
 160 #define I830_ACTIVESTATE(i830, flag, mode)      \
 161 do {                                            \
 162    INTEL_FIREVERTICES( &i830->intel );          \
 163    if (mode)                                    \
 164       i830->state.active |= flag;               \
 165    else                                         \
 166       i830->state.active &= ~flag;              \
 167 } while (0)
 168
 169 /* i830_vtbl.c
 170  */
 171 extern void i830InitVtbl(struct i830_context *i830);
 172
 173 extern void
 174 i830_state_draw_region(struct intel_context *intel,
 175                        struct i830_hw_state *state,
 176                        struct intel_region *color_region,
 177                        struct intel_region *depth_region);
 178 /* i830_context.c
 179  */
 180 extern bool
 181 i830CreateContext(int api,
 182                   const struct gl_config * mesaVis,
 183                   __DRIcontext * driContextPriv,
 184                   unsigned major_version,
 185                   unsigned minor_version,
 186                   uint32_t flags,
 187                   unsigned *error,
 188                   void *sharedContextPrivate);
 189
 190 /* i830_tex.c, i830_texstate.c
 191  */
 192 extern void i830UpdateTextureState(struct intel_context *intel);
 193
 194 extern void i830InitTextureFuncs(struct dd_function_table *functions);
 195
 196 /* i830_texblend.c
 197  */
 198 extern GLuint i830SetTexEnvCombine(struct i830_context *i830,
 199                                    const struct gl_tex_env_combine_state
 200                                    *combine, GLint blendUnit, GLuint texel_op,
 201                                    GLuint * state, const GLfloat * factor);
 202
 203 extern void i830EmitTextureBlend(struct i830_context *i830);
 204
 205
 206 /* i830_state.c
 207  */
 208 extern void i830InitStateFuncs(struct dd_function_table *functions);
 209
 210 extern void i830EmitState(struct i830_context *i830);
 211
 212 extern void i830InitState(struct i830_context *i830);
 213 extern void i830_update_provoking_vertex(struct gl_context *ctx);
 214
 215 /*======================================================================
 216  * Inline conversion functions.  These are better-typed than the
 217  * macros used previously:
 218  */
 219 static INLINE struct i830_context *
 220 i830_context(struct gl_context * ctx)
 221 {
 222    return (struct i830_context *) ctx;
 223 }
 224
 225 #endif