static void gen2_emit_invariant(struct intel_batchbuffer *batch)
{
int i;
for (i = 0; i < 4; i++) {
OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(i));
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD | MAP_UNIT(i) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET | TEX_STREAM_COORD_SET(i) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(i));
OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(i));
}
OUT_BATCH(_3DSTATE_MAP_COORD_SETBIND_CMD);
OUT_BATCH(TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
OUT_BATCH(_3DSTATE_W_STATE_CMD);
OUT_BATCH(MAGIC_W_STATE_DWORD1);
OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );
OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
DISABLE_INDPT_ALPHA_BLEND |
ENABLE_ALPHA_BLENDFUNC | ABLENDFUNC_ADD);
OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
OUT_BATCH(0);
OUT_BATCH(_3DSTATE_MODES_1_CMD |
ENABLE_COLR_BLND_FUNC | BLENDFUNC_ADD |
ENABLE_SRC_BLND_FACTOR | SRC_BLND_FACT(BLENDFACTOR_ONE) |
ENABLE_DST_BLND_FACTOR | DST_BLND_FACT(BLENDFACTOR_ZERO));
OUT_BATCH(_3DSTATE_ENABLES_1_CMD |
DISABLE_LOGIC_OP |
DISABLE_STENCIL_TEST |
DISABLE_DEPTH_BIAS |
DISABLE_SPEC_ADD |
DISABLE_FOG |
DISABLE_ALPHA_TEST |
DISABLE_DEPTH_TEST |
ENABLE_COLOR_BLEND);
OUT_BATCH(_3DSTATE_ENABLES_2_CMD |
DISABLE_STENCIL_WRITE |
DISABLE_DITHER |
DISABLE_DEPTH_WRITE |
ENABLE_COLOR_MASK |
ENABLE_COLOR_WRITE |
ENABLE_TEX_CACHE);
}
static void
i915UpdateBlendState(struct gl_context * ctx)
{
struct i915_context *i915 = I915_CONTEXT(ctx);
GLuint iab = (i915->state.Blend[I915_BLENDREG_IAB] &
~(IAB_SRC_FACTOR_MASK |
IAB_DST_FACTOR_MASK |
(BLENDFUNC_MASK << IAB_FUNC_SHIFT) | IAB_ENABLE));
GLuint lis6 = (i915->state.Ctx[I915_CTXREG_LIS6] &
~(S6_CBUF_SRC_BLEND_FACT_MASK |
S6_CBUF_DST_BLEND_FACT_MASK | S6_CBUF_BLEND_FUNC_MASK));
GLuint eqRGB = ctx->Color.Blend[0].EquationRGB;
GLuint eqA = ctx->Color.Blend[0].EquationA;
GLuint srcRGB = ctx->Color.Blend[0].SrcRGB;
GLuint dstRGB = ctx->Color.Blend[0].DstRGB;
GLuint srcA = ctx->Color.Blend[0].SrcA;
GLuint dstA = ctx->Color.Blend[0].DstA;
if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
srcRGB = dstRGB = GL_ONE;
}
if (eqA == GL_MIN || eqA == GL_MAX) {
srcA = dstA = GL_ONE;
}
lis6 |= SRC_BLND_FACT(intel_translate_blend_factor(srcRGB));
lis6 |= DST_BLND_FACT(intel_translate_blend_factor(dstRGB));
lis6 |= translate_blend_equation(eqRGB) << S6_CBUF_BLEND_FUNC_SHIFT;
iab |= SRC_ABLND_FACT(intel_translate_blend_factor(srcA));
iab |= DST_ABLND_FACT(intel_translate_blend_factor(dstA));
iab |= translate_blend_equation(eqA) << IAB_FUNC_SHIFT;
if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB)
iab |= IAB_ENABLE;
if (iab != i915->state.Blend[I915_BLENDREG_IAB]) {
i915->state.Blend[I915_BLENDREG_IAB] = iab;
I915_STATECHANGE(i915, I915_UPLOAD_BLEND);
}
if (lis6 != i915->state.Ctx[I915_CTXREG_LIS6]) {
i915->state.Ctx[I915_CTXREG_LIS6] = lis6;
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
}
/* This will catch a logicop blend equation */
i915EvalLogicOpBlendState(ctx);
}
/* None of this state is actually used for anything yet.
*/
static void *
i915_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
{
struct i915_blend_state *cso_data = CALLOC_STRUCT( i915_blend_state );
{
unsigned eqRGB = blend->rt[0].rgb_func;
unsigned srcRGB = blend->rt[0].rgb_src_factor;
unsigned dstRGB = blend->rt[0].rgb_dst_factor;
unsigned eqA = blend->rt[0].alpha_func;
unsigned srcA = blend->rt[0].alpha_src_factor;
unsigned dstA = blend->rt[0].alpha_dst_factor;
/* Special handling for MIN/MAX filter modes handled at
* state_tracker level.
*/
if (srcA != srcRGB ||
dstA != dstRGB ||
eqA != eqRGB) {
cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
IAB_MODIFY_ENABLE |
IAB_ENABLE |
IAB_MODIFY_FUNC |
IAB_MODIFY_SRC_FACTOR |
IAB_MODIFY_DST_FACTOR |
SRC_ABLND_FACT(i915_translate_blend_factor(srcA)) |
DST_ABLND_FACT(i915_translate_blend_factor(dstA)) |
(i915_translate_blend_func(eqA) << IAB_FUNC_SHIFT));
}
else {
cso_data->iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
IAB_MODIFY_ENABLE |
0);
}
}
cso_data->modes4 |= (_3DSTATE_MODES_4_CMD |
ENABLE_LOGIC_OP_FUNC |
LOGIC_OP_FUNC(i915_translate_logic_op(blend->logicop_func)));
if (blend->logicop_enable)
cso_data->LIS5 |= S5_LOGICOP_ENABLE;
if (blend->dither)
cso_data->LIS5 |= S5_COLOR_DITHER_ENABLE;
/* XXX here take the target fixup into account */
if ((blend->rt[0].colormask & PIPE_MASK_R) == 0)
cso_data->LIS5 |= S5_WRITEDISABLE_RED;
if ((blend->rt[0].colormask & PIPE_MASK_G) == 0)
cso_data->LIS5 |= S5_WRITEDISABLE_GREEN;
if ((blend->rt[0].colormask & PIPE_MASK_B) == 0)
cso_data->LIS5 |= S5_WRITEDISABLE_BLUE;
if ((blend->rt[0].colormask & PIPE_MASK_A) == 0)
cso_data->LIS5 |= S5_WRITEDISABLE_ALPHA;
if (blend->rt[0].blend_enable) {
unsigned funcRGB = blend->rt[0].rgb_func;
unsigned srcRGB = blend->rt[0].rgb_src_factor;
unsigned dstRGB = blend->rt[0].rgb_dst_factor;
cso_data->LIS6 |= (S6_CBUF_BLEND_ENABLE |
SRC_BLND_FACT(i915_translate_blend_factor(srcRGB)) |
DST_BLND_FACT(i915_translate_blend_factor(dstRGB)) |
(i915_translate_blend_func(funcRGB) << S6_CBUF_BLEND_FUNC_SHIFT));
}
return cso_data;
}
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;
}
/**
* Sets both the blend equation (called "function" in i830 docs) and the
* blend function (called "factor" in i830 docs). This is done in a single
* function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
* change the interpretation of the blend function.
*/
static void
i830_set_blend_state(struct gl_context * ctx)
{
struct i830_context *i830 = i830_context(ctx);
int funcA;
int funcRGB;
int eqnA;
int eqnRGB;
int iab;
int s1;
funcRGB =
SRC_BLND_FACT(intel_translate_blend_factor(ctx->Color.Blend[0].SrcRGB))
| DST_BLND_FACT(intel_translate_blend_factor(ctx->Color.Blend[0].DstRGB));
switch (ctx->Color.Blend[0].EquationRGB) {
case GL_FUNC_ADD:
eqnRGB = BLENDFUNC_ADD;
break;
case GL_MIN:
eqnRGB = BLENDFUNC_MIN;
funcRGB = SRC_BLND_FACT(BLENDFACT_ONE) | DST_BLND_FACT(BLENDFACT_ONE);
break;
case GL_MAX:
eqnRGB = BLENDFUNC_MAX;
funcRGB = SRC_BLND_FACT(BLENDFACT_ONE) | DST_BLND_FACT(BLENDFACT_ONE);
break;
case GL_FUNC_SUBTRACT:
eqnRGB = BLENDFUNC_SUB;
break;
case GL_FUNC_REVERSE_SUBTRACT:
eqnRGB = BLENDFUNC_RVRSE_SUB;
break;
default:
fprintf(stderr, "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
__FUNCTION__, __LINE__, ctx->Color.Blend[0].EquationRGB);
return;
}
funcA = SRC_ABLEND_FACT(intel_translate_blend_factor(ctx->Color.Blend[0].SrcA))
| DST_ABLEND_FACT(intel_translate_blend_factor(ctx->Color.Blend[0].DstA));
switch (ctx->Color.Blend[0].EquationA) {
case GL_FUNC_ADD:
eqnA = BLENDFUNC_ADD;
break;
case GL_MIN:
eqnA = BLENDFUNC_MIN;
funcA = SRC_BLND_FACT(BLENDFACT_ONE) | DST_BLND_FACT(BLENDFACT_ONE);
break;
case GL_MAX:
eqnA = BLENDFUNC_MAX;
funcA = SRC_BLND_FACT(BLENDFACT_ONE) | DST_BLND_FACT(BLENDFACT_ONE);
break;
case GL_FUNC_SUBTRACT:
eqnA = BLENDFUNC_SUB;
break;
case GL_FUNC_REVERSE_SUBTRACT:
eqnA = BLENDFUNC_RVRSE_SUB;
break;
default:
fprintf(stderr, "[%s:%u] Invalid alpha blend equation (0x%04x).\n",
__FUNCTION__, __LINE__, ctx->Color.Blend[0].EquationA);
return;
}
iab = eqnA | funcA
| _3DSTATE_INDPT_ALPHA_BLEND_CMD
| ENABLE_SRC_ABLEND_FACTOR | ENABLE_DST_ABLEND_FACTOR
| ENABLE_ALPHA_BLENDFUNC;
s1 = eqnRGB | funcRGB
| _3DSTATE_MODES_1_CMD
| ENABLE_SRC_BLND_FACTOR | ENABLE_DST_BLND_FACTOR
| ENABLE_COLR_BLND_FUNC;
if ((eqnA | funcA) != (eqnRGB | funcRGB))
iab |= ENABLE_INDPT_ALPHA_BLEND;
else
iab |= DISABLE_INDPT_ALPHA_BLEND;
if (iab != i830->state.Ctx[I830_CTXREG_IALPHAB] ||
s1 != i830->state.Ctx[I830_CTXREG_STATE1]) {
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
i830->state.Ctx[I830_CTXREG_IALPHAB] = iab;
i830->state.Ctx[I830_CTXREG_STATE1] = s1;
}
/* This will catch a logicop blend equation. It will also ensure
* independant alpha blend is really in the correct state (either enabled
* or disabled) if blending is already enabled.
*/
i830EvalLogicOpBlendState(ctx);
if (0) {
fprintf(stderr,
"[%s:%u] STATE1: 0x%08x IALPHAB: 0x%08x blend is %sabled\n",
__FUNCTION__, __LINE__, i830->state.Ctx[I830_CTXREG_STATE1],
i830->state.Ctx[I830_CTXREG_IALPHAB],
(ctx->Color.BlendEnabled) ? "en" : "dis");
}
}
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;
}
