lib/rendercopy_i830.c

   1 #include "i830_reg.h"
   2 #include "rendercopy.h"
   3
   4 #define TB0C_LAST_STAGE (1 << 31)
   5 #define TB0C_RESULT_SCALE_1X            (0 << 29)
   6 #define TB0C_RESULT_SCALE_2X            (1 << 29)
   7 #define TB0C_RESULT_SCALE_4X            (2 << 29)
   8 #define TB0C_OP_ARG1                    (1 << 25)
   9 #define TB0C_OP_MODULE                  (3 << 25)
  10 #define TB0C_OUTPUT_WRITE_CURRENT       (0 << 24)
  11 #define TB0C_OUTPUT_WRITE_ACCUM         (1 << 24)
  12 #define TB0C_ARG3_REPLICATE_ALPHA       (1<<23)
  13 #define TB0C_ARG3_INVERT                (1<<22)
  14 #define TB0C_ARG3_SEL_XXX
  15 #define TB0C_ARG2_REPLICATE_ALPHA       (1<<17)
  16 #define TB0C_ARG2_INVERT                (1<<16)
  17 #define TB0C_ARG2_SEL_ONE               (0 << 12)
  18 #define TB0C_ARG2_SEL_FACTOR            (1 << 12)
  19 #define TB0C_ARG2_SEL_TEXEL0            (6 << 12)
  20 #define TB0C_ARG2_SEL_TEXEL1            (7 << 12)
  21 #define TB0C_ARG2_SEL_TEXEL2            (8 << 12)
  22 #define TB0C_ARG2_SEL_TEXEL3            (9 << 12)
  23 #define TB0C_ARG1_REPLICATE_ALPHA       (1<<11)
  24 #define TB0C_ARG1_INVERT                (1<<10)
  25 #define TB0C_ARG1_SEL_ONE               (0 << 6)
  26 #define TB0C_ARG1_SEL_TEXEL0            (6 << 6)
  27 #define TB0C_ARG1_SEL_TEXEL1            (7 << 6)
  28 #define TB0C_ARG1_SEL_TEXEL2            (8 << 6)
  29 #define TB0C_ARG1_SEL_TEXEL3            (9 << 6)
  30 #define TB0C_ARG0_REPLICATE_ALPHA       (1<<5)
  31 #define TB0C_ARG0_SEL_XXX
  32
  33 #define TB0A_CTR_STAGE_ENABLE           (1<<31)
  34 #define TB0A_RESULT_SCALE_1X            (0 << 29)
  35 #define TB0A_RESULT_SCALE_2X            (1 << 29)
  36 #define TB0A_RESULT_SCALE_4X            (2 << 29)
  37 #define TB0A_OP_ARG1                    (1 << 25)
  38 #define TB0A_OP_MODULE                  (3 << 25)
  39 #define TB0A_OUTPUT_WRITE_CURRENT       (0<<24)
  40 #define TB0A_OUTPUT_WRITE_ACCUM         (1<<24)
  41 #define TB0A_CTR_STAGE_SEL_BITS_XXX
  42 #define TB0A_ARG3_SEL_XXX
  43 #define TB0A_ARG3_INVERT                (1<<17)
  44 #define TB0A_ARG2_INVERT                (1<<16)
  45 #define TB0A_ARG2_SEL_ONE               (0 << 12)
  46 #define TB0A_ARG2_SEL_TEXEL0            (6 << 12)
  47 #define TB0A_ARG2_SEL_TEXEL1            (7 << 12)
  48 #define TB0A_ARG2_SEL_TEXEL2            (8 << 12)
  49 #define TB0A_ARG2_SEL_TEXEL3            (9 << 12)
  50 #define TB0A_ARG1_INVERT                (1<<10)
  51 #define TB0A_ARG1_SEL_ONE               (0 << 6)
  52 #define TB0A_ARG1_SEL_TEXEL0            (6 << 6)
  53 #define TB0A_ARG1_SEL_TEXEL1            (7 << 6)
  54 #define TB0A_ARG1_SEL_TEXEL2            (8 << 6)
  55 #define TB0A_ARG1_SEL_TEXEL3            (9 << 6)
  56
  57
  58 static void gen2_emit_invariant(struct intel_batchbuffer *batch)
  59 {
  60         int i;
  61
  62         for (i = 0; i < 4; i++) {
  63                 OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(i));
  64                 OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD | MAP_UNIT(i) |
  65                           DISABLE_TEX_STREAM_BUMP |
  66                           ENABLE_TEX_STREAM_COORD_SET | TEX_STREAM_COORD_SET(i) |
  67                           ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(i));
  68                 OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
  69                 OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(i));
  70         }
  71
  72         OUT_BATCH(_3DSTATE_MAP_COORD_SETBIND_CMD);
  73         OUT_BATCH(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
  74                   TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
  75                   TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
  76                   TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
  77
  78         OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
  79
  80         OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
  81         OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
  82
  83         OUT_BATCH(_3DSTATE_W_STATE_CMD);
  84         OUT_BATCH(MAGIC_W_STATE_DWORD1);
  85         OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );
  86
  87         OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
  88                   DISABLE_INDPT_ALPHA_BLEND |
  89                   ENABLE_ALPHA_BLENDFUNC | ABLENDFUNC_ADD);
  90
  91         OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
  92         OUT_BATCH(0);
  93
  94         OUT_BATCH(_3DSTATE_MODES_1_CMD |
  95                   ENABLE_COLR_BLND_FUNC | BLENDFUNC_ADD |
  96                   ENABLE_SRC_BLND_FACTOR | SRC_BLND_FACT(BLENDFACTOR_ONE) |
  97                   ENABLE_DST_BLND_FACTOR | DST_BLND_FACT(BLENDFACTOR_ZERO));
  98
  99         OUT_BATCH(_3DSTATE_ENABLES_1_CMD |
 100                   DISABLE_LOGIC_OP |
 101                   DISABLE_STENCIL_TEST |
 102                   DISABLE_DEPTH_BIAS |
 103                   DISABLE_SPEC_ADD |
 104                   DISABLE_FOG |
 105                   DISABLE_ALPHA_TEST |
 106                   DISABLE_DEPTH_TEST |
 107                   ENABLE_COLOR_BLEND);
 108
 109         OUT_BATCH(_3DSTATE_ENABLES_2_CMD |
 110                   DISABLE_STENCIL_WRITE |
 111                   DISABLE_DITHER |
 112                   DISABLE_DEPTH_WRITE |
 113                   ENABLE_COLOR_MASK |
 114                   ENABLE_COLOR_WRITE |
 115                   ENABLE_TEX_CACHE);
 116 }
 117
 118 static void gen2_emit_target(struct intel_batchbuffer *batch,
 119                              struct scratch_buf *dst)
 120 {
 121         uint32_t tiling;
 122
 123         tiling = 0;
 124         if (dst->tiling != I915_TILING_NONE)
 125                 tiling = BUF_3D_TILED_SURFACE;
 126         if (dst->tiling == I915_TILING_Y)
 127                 tiling |= BUF_3D_TILE_WALK_Y;
 128
 129         OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
 130         OUT_BATCH(BUF_3D_ID_COLOR_BACK | tiling | BUF_3D_PITCH(dst->stride));
 131         OUT_RELOC(dst->bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
 132
 133         OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
 134         OUT_BATCH(COLR_BUF_ARGB8888 |
 135                   DSTORG_HORT_BIAS(0x8) |
 136                   DSTORG_VERT_BIAS(0x8));
 137
 138         OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
 139         OUT_BATCH(0);
 140         OUT_BATCH(0);           /* ymin, xmin */
 141         OUT_BATCH(DRAW_YMAX(buf_height(dst) - 1) |
 142                   DRAW_XMAX(buf_width(dst) - 1));
 143         OUT_BATCH(0);           /* yorig, xorig */
 144 }
 145
 146 static void gen2_emit_texture(struct intel_batchbuffer *batch,
 147                               struct scratch_buf *src,
 148                               int unit)
 149 {
 150         uint32_t tiling;
 151
 152         tiling = 0;
 153         if (src->tiling != I915_TILING_NONE)
 154                 tiling = TM0S1_TILED_SURFACE;
 155         if (src->tiling == I915_TILING_Y)
 156                 tiling |= TM0S1_TILE_WALK;
 157
 158         OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 | LOAD_TEXTURE_MAP(unit) | 4);
 159         OUT_RELOC(src->bo, I915_GEM_DOMAIN_SAMPLER, 0, 0);
 160         OUT_BATCH((buf_height(src) - 1) << TM0S1_HEIGHT_SHIFT |
 161                   (buf_width(src) - 1) << TM0S1_WIDTH_SHIFT |
 162                   MAPSURF_32BIT | MT_32BIT_ARGB8888 | tiling);
 163         OUT_BATCH((src->stride / 4 - 1) << TM0S2_PITCH_SHIFT | TM0S2_MAP_2D);
 164         OUT_BATCH(FILTER_NEAREST << TM0S3_MAG_FILTER_SHIFT |
 165                   FILTER_NEAREST << TM0S3_MIN_FILTER_SHIFT |
 166                   MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT);
 167         OUT_BATCH(0);   /* default color */
 168
 169         OUT_BATCH(_3DSTATE_MAP_COORD_SET_CMD | TEXCOORD_SET(unit) |
 170                   ENABLE_TEXCOORD_PARAMS | TEXCOORDS_ARE_NORMAL |
 171                   TEXCOORDTYPE_CARTESIAN |
 172                   ENABLE_ADDR_V_CNTL | TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP_BORDER) |
 173                   ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP_BORDER));
 174 }
 175
 176 static void gen2_emit_copy_pipeline(struct intel_batchbuffer *batch)
 177 {
 178         OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD | DISABLE_INDPT_ALPHA_BLEND);
 179         OUT_BATCH(_3DSTATE_ENABLES_1_CMD | DISABLE_LOGIC_OP |
 180                   DISABLE_STENCIL_TEST | DISABLE_DEPTH_BIAS |
 181                   DISABLE_SPEC_ADD | DISABLE_FOG | DISABLE_ALPHA_TEST |
 182                   DISABLE_COLOR_BLEND | DISABLE_DEPTH_TEST);
 183
 184         OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
 185                   LOAD_TEXTURE_BLEND_STAGE(0) | 1);
 186         OUT_BATCH(TB0C_LAST_STAGE | TB0C_RESULT_SCALE_1X |
 187                   TB0C_OUTPUT_WRITE_CURRENT |
 188                   TB0C_OP_ARG1 | TB0C_ARG1_SEL_TEXEL0);
 189         OUT_BATCH(TB0A_RESULT_SCALE_1X | TB0A_OUTPUT_WRITE_CURRENT |
 190                   TB0A_OP_ARG1 | TB0A_ARG1_SEL_TEXEL0);
 191 }
 192
 193 void gen2_render_copyfunc(struct intel_batchbuffer *batch,
 194                           struct scratch_buf *src, unsigned src_x, unsigned src_y,
 195                           unsigned width, unsigned height,
 196                           struct scratch_buf *dst, unsigned dst_x, unsigned dst_y)
 197 {
 198         gen2_emit_invariant(batch);
 199         gen2_emit_copy_pipeline(batch);
 200
 201         gen2_emit_target(batch, dst);
 202         gen2_emit_texture(batch, src, 0);
 203
 204         OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
 205                   I1_LOAD_S(2) | I1_LOAD_S(3) | I1_LOAD_S(8) | 2);
 206         OUT_BATCH(1<<12);
 207         OUT_BATCH(S3_CULLMODE_NONE | S3_VERTEXHAS_XY);
 208         OUT_BATCH(S8_ENABLE_COLOR_BUFFER_WRITE);
 209
 210         OUT_BATCH(_3DSTATE_VERTEX_FORMAT_2_CMD | TEXCOORDFMT_2D << 0);
 211
 212         OUT_BATCH(PRIM3D_INLINE | PRIM3D_RECTLIST | (3*4 -1));
 213         emit_vertex(batch, dst_x + width);
 214         emit_vertex(batch, dst_y + height);
 215         emit_vertex_normalized(batch, src_x + width, buf_width(src));
 216         emit_vertex_normalized(batch, src_y + height, buf_height(src));
 217
 218         emit_vertex(batch, dst_x);
 219         emit_vertex(batch, dst_y + height);
 220         emit_vertex_normalized(batch, src_x, buf_width(src));
 221         emit_vertex_normalized(batch, src_y + height, buf_height(src));
 222
 223         emit_vertex(batch, dst_x);
 224         emit_vertex(batch, dst_y);
 225         emit_vertex_normalized(batch, src_x, buf_width(src));
 226         emit_vertex_normalized(batch, src_y, buf_height(src));
 227
 228         intel_batchbuffer_flush(batch);
 229 }
 230
 231 render_copyfunc_t get_render_copyfunc(int devid)
 232 {
 233         render_copyfunc_t copy = NULL;
 234
 235         if (IS_GEN2(devid))
 236                 copy = gen2_render_copyfunc;
 237         else if (IS_GEN3(devid))
 238                 copy = gen3_render_copyfunc;
 239         else if (IS_GEN6(devid))
 240                 copy = gen6_render_copyfunc;
 241         else if (IS_GEN7(devid))
 242                 copy = gen7_render_copyfunc;
 243
 244         return copy;
 245 }