/* In Mesa 3.5 we can reliably do native flatshading.
*/
static void
i830ShadeModel(struct gl_context * ctx, GLenum mode)
{
struct i830_context *i830 = i830_context(ctx);
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
#define SHADE_MODE_MASK ((1<<10)|(1<<8)|(1<<6)|(1<<4))
i830->state.Ctx[I830_CTXREG_STATE3] &= ~SHADE_MODE_MASK;
if (mode == GL_FLAT) {
i830->state.Ctx[I830_CTXREG_STATE3] |=
(ALPHA_SHADE_MODE(SHADE_MODE_FLAT) | FOG_SHADE_MODE(SHADE_MODE_FLAT)
| SPEC_SHADE_MODE(SHADE_MODE_FLAT) |
COLOR_SHADE_MODE(SHADE_MODE_FLAT));
}
else {
i830->state.Ctx[I830_CTXREG_STATE3] |=
(ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
COLOR_SHADE_MODE(SHADE_MODE_LINEAR));
}
}
static void
i830_init_packets(struct i830_context *i830)
{
/* Zero all state */
memset(&i830->state, 0, sizeof(i830->state));
/* Set default blend state */
i830->state.TexBlend[0][0] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
TEXPIPE_COLOR |
ENABLE_TEXOUTPUT_WRT_SEL |
TEXOP_OUTPUT_CURRENT |
DISABLE_TEX_CNTRL_STAGE |
TEXOP_SCALE_1X |
TEXOP_MODIFY_PARMS |
TEXOP_LAST_STAGE | TEXBLENDOP_ARG1);
i830->state.TexBlend[0][1] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
TEXPIPE_ALPHA |
ENABLE_TEXOUTPUT_WRT_SEL |
TEXOP_OUTPUT_CURRENT |
TEXOP_SCALE_1X |
TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
i830->state.TexBlend[0][2] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
TEXPIPE_COLOR |
TEXBLEND_ARG1 |
TEXBLENDARG_MODIFY_PARMS |
TEXBLENDARG_DIFFUSE);
i830->state.TexBlend[0][3] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
TEXPIPE_ALPHA |
TEXBLEND_ARG1 |
TEXBLENDARG_MODIFY_PARMS |
TEXBLENDARG_DIFFUSE);
i830->state.TexBlendWordsUsed[0] = 4;
i830->state.Ctx[I830_CTXREG_VF] = 0;
i830->state.Ctx[I830_CTXREG_VF2] = 0;
i830->state.Ctx[I830_CTXREG_AA] = (_3DSTATE_AA_CMD |
AA_LINE_ECAAR_WIDTH_ENABLE |
AA_LINE_ECAAR_WIDTH_1_0 |
AA_LINE_REGION_WIDTH_ENABLE |
AA_LINE_REGION_WIDTH_1_0 |
AA_LINE_DISABLE);
i830->state.Ctx[I830_CTXREG_ENABLES_1] = (_3DSTATE_ENABLES_1_CMD |
DISABLE_LOGIC_OP |
DISABLE_STENCIL_TEST |
DISABLE_DEPTH_BIAS |
DISABLE_SPEC_ADD |
DISABLE_FOG |
DISABLE_ALPHA_TEST |
DISABLE_COLOR_BLEND |
DISABLE_DEPTH_TEST);
#if 000 /* XXX all the stencil enable state is set in i830Enable(), right? */
if (i830->intel.hw_stencil) {
i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
ENABLE_STENCIL_WRITE |
ENABLE_TEX_CACHE |
ENABLE_DITHER |
ENABLE_COLOR_MASK |
/* set no color comps disabled */
ENABLE_COLOR_WRITE |
ENABLE_DEPTH_WRITE);
}
else
#endif
{
i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
DISABLE_STENCIL_WRITE |
ENABLE_TEX_CACHE |
ENABLE_DITHER |
ENABLE_COLOR_MASK |
/* set no color comps disabled */
ENABLE_COLOR_WRITE |
ENABLE_DEPTH_WRITE);
}
i830->state.Ctx[I830_CTXREG_STATE1] = (_3DSTATE_MODES_1_CMD |
ENABLE_COLR_BLND_FUNC |
BLENDFUNC_ADD |
ENABLE_SRC_BLND_FACTOR |
SRC_BLND_FACT(BLENDFACT_ONE) |
ENABLE_DST_BLND_FACTOR |
DST_BLND_FACT(BLENDFACT_ZERO));
i830->state.Ctx[I830_CTXREG_STATE2] = (_3DSTATE_MODES_2_CMD |
ENABLE_GLOBAL_DEPTH_BIAS |
GLOBAL_DEPTH_BIAS(0) |
ENABLE_ALPHA_TEST_FUNC |
ALPHA_TEST_FUNC(COMPAREFUNC_ALWAYS)
| ALPHA_REF_VALUE(0));
i830->state.Ctx[I830_CTXREG_STATE3] = (_3DSTATE_MODES_3_CMD |
ENABLE_DEPTH_TEST_FUNC |
DEPTH_TEST_FUNC(COMPAREFUNC_LESS) |
ENABLE_ALPHA_SHADE_MODE |
ALPHA_SHADE_MODE(SHADE_MODE_LINEAR)
| ENABLE_FOG_SHADE_MODE |
FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_SPEC_SHADE_MODE |
SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_COLOR_SHADE_MODE |
COLOR_SHADE_MODE(SHADE_MODE_LINEAR)
| ENABLE_CULL_MODE | CULLMODE_NONE);
i830->state.Ctx[I830_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
ENABLE_LOGIC_OP_FUNC |
LOGIC_OP_FUNC(LOGICOP_COPY) |
ENABLE_STENCIL_TEST_MASK |
STENCIL_TEST_MASK(0xff) |
ENABLE_STENCIL_WRITE_MASK |
STENCIL_WRITE_MASK(0xff));
i830->state.Ctx[I830_CTXREG_STENCILTST] = (_3DSTATE_STENCIL_TEST_CMD |
ENABLE_STENCIL_PARMS |
STENCIL_FAIL_OP(STENCILOP_KEEP)
|
STENCIL_PASS_DEPTH_FAIL_OP
(STENCILOP_KEEP) |
STENCIL_PASS_DEPTH_PASS_OP
(STENCILOP_KEEP) |
ENABLE_STENCIL_TEST_FUNC |
STENCIL_TEST_FUNC
(COMPAREFUNC_ALWAYS) |
ENABLE_STENCIL_REF_VALUE |
STENCIL_REF_VALUE(0));
i830->state.Ctx[I830_CTXREG_STATE5] = (_3DSTATE_MODES_5_CMD | FLUSH_TEXTURE_CACHE | ENABLE_SPRITE_POINT_TEX | SPRITE_POINT_TEX_OFF | ENABLE_FIXED_LINE_WIDTH | FIXED_LINE_WIDTH(0x2) | /* 1.0 */
ENABLE_FIXED_POINT_WIDTH |
FIXED_POINT_WIDTH(1));
i830->state.Ctx[I830_CTXREG_IALPHAB] = (_3DSTATE_INDPT_ALPHA_BLEND_CMD |
DISABLE_INDPT_ALPHA_BLEND |
ENABLE_ALPHA_BLENDFUNC |
ABLENDFUNC_ADD);
i830->state.Ctx[I830_CTXREG_FOGCOLOR] = (_3DSTATE_FOG_COLOR_CMD |
FOG_COLOR_RED(0) |
FOG_COLOR_GREEN(0) |
FOG_COLOR_BLUE(0));
i830->state.Ctx[I830_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
i830->state.Ctx[I830_CTXREG_BLENDCOLOR1] = 0;
i830->state.Ctx[I830_CTXREG_MCSB0] = _3DSTATE_MAP_COORD_SETBIND_CMD;
i830->state.Ctx[I830_CTXREG_MCSB1] = (TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
i830->state.RasterRules[I830_RASTER_RULES] = (_3DSTATE_RASTER_RULES_CMD |
ENABLE_POINT_RASTER_RULE |
OGL_POINT_RASTER_RULE |
ENABLE_LINE_STRIP_PROVOKE_VRTX |
ENABLE_TRI_FAN_PROVOKE_VRTX |
ENABLE_TRI_STRIP_PROVOKE_VRTX |
LINE_STRIP_PROVOKE_VRTX(1) |
TRI_FAN_PROVOKE_VRTX(2) |
TRI_STRIP_PROVOKE_VRTX(2));
i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE;
i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
i830->state.Buffer[I830_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
DISABLE_SCISSOR_RECT);
i830->state.Buffer[I830_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
i830->state.Buffer[I830_DESTREG_SR1] = 0;
i830->state.Buffer[I830_DESTREG_SR2] = 0;
}
static void i830_init_packets( i830ContextPtr i830 )
{
intelScreenPrivate *screen = i830->intel.intelScreen;
/* Zero all state */
memset(&i830->state, 0, sizeof(i830->state));
/* Set default blend state */
i830->state.TexBlend[0][0] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
TEXPIPE_COLOR |
ENABLE_TEXOUTPUT_WRT_SEL |
TEXOP_OUTPUT_CURRENT |
DISABLE_TEX_CNTRL_STAGE |
TEXOP_SCALE_1X |
TEXOP_MODIFY_PARMS |
TEXOP_LAST_STAGE |
TEXBLENDOP_ARG1);
i830->state.TexBlend[0][1] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
TEXPIPE_ALPHA |
ENABLE_TEXOUTPUT_WRT_SEL |
TEXOP_OUTPUT_CURRENT |
TEXOP_SCALE_1X |
TEXOP_MODIFY_PARMS |
TEXBLENDOP_ARG1);
i830->state.TexBlend[0][2] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
TEXPIPE_COLOR |
TEXBLEND_ARG1 |
TEXBLENDARG_MODIFY_PARMS |
TEXBLENDARG_DIFFUSE);
i830->state.TexBlend[0][3] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
TEXPIPE_ALPHA |
TEXBLEND_ARG1 |
TEXBLENDARG_MODIFY_PARMS |
TEXBLENDARG_DIFFUSE);
i830->state.TexBlendWordsUsed[0] = 4;
i830->state.Ctx[I830_CTXREG_VF] = 0;
i830->state.Ctx[I830_CTXREG_VF2] = 0;
i830->state.Ctx[I830_CTXREG_AA] = (_3DSTATE_AA_CMD |
AA_LINE_ECAAR_WIDTH_ENABLE |
AA_LINE_ECAAR_WIDTH_1_0 |
AA_LINE_REGION_WIDTH_ENABLE |
AA_LINE_REGION_WIDTH_1_0 |
AA_LINE_DISABLE);
i830->state.Ctx[I830_CTXREG_ENABLES_1] = (_3DSTATE_ENABLES_1_CMD |
DISABLE_LOGIC_OP |
DISABLE_STENCIL_TEST |
DISABLE_DEPTH_BIAS |
DISABLE_SPEC_ADD |
DISABLE_FOG |
DISABLE_ALPHA_TEST |
DISABLE_COLOR_BLEND |
DISABLE_DEPTH_TEST);
if (i830->intel.hw_stencil) {
i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
ENABLE_STENCIL_WRITE |
ENABLE_TEX_CACHE |
ENABLE_DITHER |
ENABLE_COLOR_MASK |
/* set no color comps disabled */
ENABLE_COLOR_WRITE |
ENABLE_DEPTH_WRITE);
} else {
i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
DISABLE_STENCIL_WRITE |
ENABLE_TEX_CACHE |
ENABLE_DITHER |
ENABLE_COLOR_MASK |
/* set no color comps disabled */
ENABLE_COLOR_WRITE |
ENABLE_DEPTH_WRITE);
}
i830->state.Ctx[I830_CTXREG_STATE1] = (_3DSTATE_MODES_1_CMD |
ENABLE_COLR_BLND_FUNC |
BLENDFUNC_ADD |
ENABLE_SRC_BLND_FACTOR |
SRC_BLND_FACT(BLENDFACT_ONE) |
ENABLE_DST_BLND_FACTOR |
DST_BLND_FACT(BLENDFACT_ZERO) );
i830->state.Ctx[I830_CTXREG_STATE2] = (_3DSTATE_MODES_2_CMD |
ENABLE_GLOBAL_DEPTH_BIAS |
GLOBAL_DEPTH_BIAS(0) |
ENABLE_ALPHA_TEST_FUNC |
ALPHA_TEST_FUNC(COMPAREFUNC_ALWAYS) |
ALPHA_REF_VALUE(0) );
i830->state.Ctx[I830_CTXREG_STATE3] = (_3DSTATE_MODES_3_CMD |
ENABLE_DEPTH_TEST_FUNC |
DEPTH_TEST_FUNC(COMPAREFUNC_LESS) |
ENABLE_ALPHA_SHADE_MODE |
ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_FOG_SHADE_MODE |
FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_SPEC_SHADE_MODE |
SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_COLOR_SHADE_MODE |
COLOR_SHADE_MODE(SHADE_MODE_LINEAR) |
ENABLE_CULL_MODE |
CULLMODE_NONE);
i830->state.Ctx[I830_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
ENABLE_LOGIC_OP_FUNC |
LOGIC_OP_FUNC(LOGICOP_COPY) |
ENABLE_STENCIL_TEST_MASK |
STENCIL_TEST_MASK(0xff) |
ENABLE_STENCIL_WRITE_MASK |
STENCIL_WRITE_MASK(0xff));
i830->state.Ctx[I830_CTXREG_STENCILTST] = (_3DSTATE_STENCIL_TEST_CMD |
ENABLE_STENCIL_PARMS |
STENCIL_FAIL_OP(STENCILOP_KEEP) |
STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_KEEP) |
STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_KEEP) |
ENABLE_STENCIL_TEST_FUNC |
STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS) |
ENABLE_STENCIL_REF_VALUE |
STENCIL_REF_VALUE(0) );
i830->state.Ctx[I830_CTXREG_STATE5] = (_3DSTATE_MODES_5_CMD |
FLUSH_TEXTURE_CACHE |
ENABLE_SPRITE_POINT_TEX |
SPRITE_POINT_TEX_OFF |
ENABLE_FIXED_LINE_WIDTH |
FIXED_LINE_WIDTH(0x2) | /* 1.0 */
ENABLE_FIXED_POINT_WIDTH |
FIXED_POINT_WIDTH(1) );
i830->state.Ctx[I830_CTXREG_IALPHAB] = (_3DSTATE_INDPT_ALPHA_BLEND_CMD |
DISABLE_INDPT_ALPHA_BLEND |
ENABLE_ALPHA_BLENDFUNC |
ABLENDFUNC_ADD);
i830->state.Ctx[I830_CTXREG_FOGCOLOR] = (_3DSTATE_FOG_COLOR_CMD |
FOG_COLOR_RED(0) |
FOG_COLOR_GREEN(0) |
FOG_COLOR_BLUE(0));
i830->state.Ctx[I830_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
i830->state.Ctx[I830_CTXREG_BLENDCOLOR1] = 0;
i830->state.Ctx[I830_CTXREG_MCSB0] = _3DSTATE_MAP_COORD_SETBIND_CMD;
i830->state.Ctx[I830_CTXREG_MCSB1] = (TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE;
i830->state.Buffer[I830_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
i830->state.Buffer[I830_DESTREG_CBUFADDR1] =
(BUF_3D_ID_COLOR_BACK |
BUF_3D_PITCH(screen->front.pitch) | /* pitch in bytes */
BUF_3D_USE_FENCE);
i830->state.Buffer[I830_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
i830->state.Buffer[I830_DESTREG_DBUFADDR1] =
(BUF_3D_ID_DEPTH |
BUF_3D_PITCH(screen->depth.pitch) | /* pitch in bytes */
BUF_3D_USE_FENCE);
i830->state.Buffer[I830_DESTREG_DBUFADDR2] = screen->depth.offset;
i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
switch (screen->fbFormat) {
case DV_PF_555:
case DV_PF_565:
i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
DSTORG_VERT_BIAS(0x8) | /* .5 */
screen->fbFormat |
DEPTH_IS_Z |
DEPTH_FRMT_16_FIXED);
break;
case DV_PF_8888:
i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
DSTORG_VERT_BIAS(0x8) | /* .5 */
screen->fbFormat |
DEPTH_IS_Z |
DEPTH_FRMT_24_FIXED_8_OTHER);
break;
}
i830->state.Buffer[I830_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
DISABLE_SCISSOR_RECT);
i830->state.Buffer[I830_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
i830->state.Buffer[I830_DESTREG_SR1] = 0;
i830->state.Buffer[I830_DESTREG_SR2] = 0;
}
