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-rw-r--r--src/uxa/i830_3d.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/uxa/i830_3d.c b/src/uxa/i830_3d.c
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+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+#include "intel.h"
+
+#include "i830_reg.h"
+
+void I830EmitInvarientState(ScrnInfoPtr scrn)
+{
+ intel_screen_private *intel = intel_get_screen_private(scrn);
+
+ assert(intel->in_batch_atomic);
+
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(2));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(3));
+
+ OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_FOG_MODE_CMD);
+ OUT_BATCH(FOGFUNC_ENABLE |
+ FOG_LINEAR_CONST | FOGSRC_INDEX_Z | ENABLE_FOG_DENSITY);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(0) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(0) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(1) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(1) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(2) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(2) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(3) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(3) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
+
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
+
+ OUT_BATCH(_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));
+
+ OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
+
+ OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+
+ 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_COLOR_FACTOR_CMD);
+ OUT_BATCH(0x80808080); /* .5 required in alpha for GL_DOT3_RGBA_EXT */
+
+ 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));
+
+ /* copy from mesa */
+ OUT_BATCH(_3DSTATE_INDPT_ALPHA_BLEND_CMD |
+ DISABLE_INDPT_ALPHA_BLEND |
+ ENABLE_ALPHA_BLENDFUNC | ABLENDFUNC_ADD);
+
+ OUT_BATCH(_3DSTATE_FOG_COLOR_CMD |
+ FOG_COLOR_RED(0) | FOG_COLOR_GREEN(0) | FOG_COLOR_BLUE(0));
+
+ 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_MODES_2_CMD | ENABLE_GLOBAL_DEPTH_BIAS | GLOBAL_DEPTH_BIAS(0) | ENABLE_ALPHA_TEST_FUNC | ALPHA_TEST_FUNC(0) | /* always */
+ ALPHA_REF_VALUE(0));
+ OUT_BATCH(_3DSTATE_MODES_3_CMD |
+ ENABLE_DEPTH_TEST_FUNC |
+ DEPTH_TEST_FUNC(0x2) | /* 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);
+
+ OUT_BATCH(_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));
+
+ OUT_BATCH(_3DSTATE_STENCIL_TEST_CMD |
+ ENABLE_STENCIL_PARMS |
+ STENCIL_FAIL_OP(0) | /* STENCILOP_KEEP */
+ STENCIL_PASS_DEPTH_FAIL_OP(0) | /* STENCILOP_KEEP */
+ STENCIL_PASS_DEPTH_PASS_OP(0) | /* STENCILOP_KEEP */
+ ENABLE_STENCIL_TEST_FUNC |
+ STENCIL_TEST_FUNC(0) | /* COMPAREFUNC_ALWAYS */
+ ENABLE_STENCIL_REF_VALUE |
+ STENCIL_REF_VALUE(0));
+
+ OUT_BATCH(_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));
+
+ OUT_BATCH(_3DSTATE_ENABLES_1_CMD |
+ DISABLE_LOGIC_OP |
+ DISABLE_STENCIL_TEST |
+ DISABLE_DEPTH_BIAS |
+ DISABLE_SPEC_ADD |
+ DISABLE_FOG |
+ DISABLE_ALPHA_TEST | ENABLE_COLOR_BLEND | DISABLE_DEPTH_TEST);
+ OUT_BATCH(_3DSTATE_ENABLES_2_CMD |
+ DISABLE_STENCIL_WRITE |
+ ENABLE_TEX_CACHE |
+ DISABLE_DITHER |
+ ENABLE_COLOR_MASK | ENABLE_COLOR_WRITE | DISABLE_DEPTH_WRITE);
+
+ OUT_BATCH(_3DSTATE_STIPPLE);
+
+ /* Set default blend state */
+ OUT_BATCH(_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);
+ OUT_BATCH(_3DSTATE_MAP_BLEND_OP_CMD(0) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
+ OUT_BATCH(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_DIFFUSE);
+ OUT_BATCH(_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_DIFFUSE);
+
+ OUT_BATCH(_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);
+}