diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_state.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_state.c | 1550 |
1 files changed, 0 insertions, 1550 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_state.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_state.c deleted file mode 100644 index 4037d14ff..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_state.c +++ /dev/null @@ -1,1550 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. 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 - * VIA, S3 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. - */ - -#include <stdio.h> - -#include "glheader.h" -#include "buffers.h" -#include "context.h" -#include "macros.h" -#include "colormac.h" -#include "enums.h" -#include "dd.h" - -#include "mm.h" -#include "via_context.h" -#include "via_state.h" -#include "via_tex.h" -#include "via_tris.h" -#include "via_ioctl.h" -#include "via_3d_reg.h" - -#include "swrast/swrast.h" -#include "array_cache/acache.h" -#include "tnl/tnl.h" -#include "swrast_setup/swrast_setup.h" - -#include "tnl/t_pipeline.h" - - -static GLuint ROP[16] = { - HC_HROP_BLACK, /* GL_CLEAR 0 */ - HC_HROP_DPa, /* GL_AND s & d */ - HC_HROP_PDna, /* GL_AND_REVERSE s & ~d */ - HC_HROP_P, /* GL_COPY s */ - HC_HROP_DPna, /* GL_AND_INVERTED ~s & d */ - HC_HROP_D, /* GL_NOOP d */ - HC_HROP_DPx, /* GL_XOR s ^ d */ - HC_HROP_DPo, /* GL_OR s | d */ - HC_HROP_DPon, /* GL_NOR ~(s | d) */ - HC_HROP_DPxn, /* GL_EQUIV ~(s ^ d) */ - HC_HROP_Dn, /* GL_INVERT ~d */ - HC_HROP_PDno, /* GL_OR_REVERSE s | ~d */ - HC_HROP_Pn, /* GL_COPY_INVERTED ~s */ - HC_HROP_DPno, /* GL_OR_INVERTED ~s | d */ - HC_HROP_DPan, /* GL_NAND ~(s & d) */ - HC_HROP_WHITE /* GL_SET 1 */ -}; - -/* - * Compute the 'S5.5' lod bias factor from the floating point OpenGL bias. - */ -static GLuint viaComputeLodBias(GLfloat bias) -{ - int b = (int) (bias * 32.0); - if (b > 511) - b = 511; - else if (b < -512) - b = -512; - return (GLuint) b; -} - -void viaEmitState(struct via_context *vmesa) -{ - GLcontext *ctx = vmesa->glCtx; - GLuint i = 0; - GLuint j = 0; - RING_VARS; - - viaCheckDma(vmesa, 0x110); - - BEGIN_RING(5); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( ((HC_SubA_HEnable << 24) | vmesa->regEnable) ); - OUT_RING( ((HC_SubA_HFBBMSKL << 24) | vmesa->regHFBBMSKL) ); - OUT_RING( ((HC_SubA_HROP << 24) | vmesa->regHROP) ); - ADVANCE_RING(); - - if (vmesa->have_hw_stencil) { - GLuint pitch, format, offset; - - format = HC_HZWBFM_24; - offset = vmesa->depth.offset; - pitch = vmesa->depth.pitch; - - BEGIN_RING(6); - OUT_RING( (HC_SubA_HZWBBasL << 24) | (offset & 0xFFFFFF) ); - OUT_RING( (HC_SubA_HZWBBasH << 24) | ((offset & 0xFF000000) >> 24) ); - OUT_RING( (HC_SubA_HZWBType << 24) | HC_HDBLoc_Local | HC_HZONEasFF_MASK | - format | pitch ); - OUT_RING( (HC_SubA_HZWTMD << 24) | vmesa->regHZWTMD ); - OUT_RING( (HC_SubA_HSTREF << 24) | vmesa->regHSTREF ); - OUT_RING( (HC_SubA_HSTMD << 24) | vmesa->regHSTMD ); - ADVANCE_RING(); - } - else if (vmesa->hasDepth) { - GLuint pitch, format, offset; - - if (vmesa->depthBits == 16) { - format = HC_HZWBFM_16; - } - else { - format = HC_HZWBFM_32; - } - - - offset = vmesa->depth.offset; - pitch = vmesa->depth.pitch; - - BEGIN_RING(4); - OUT_RING( (HC_SubA_HZWBBasL << 24) | (offset & 0xFFFFFF) ); - OUT_RING( (HC_SubA_HZWBBasH << 24) | ((offset & 0xFF000000) >> 24) ); - OUT_RING( (HC_SubA_HZWBType << 24) | HC_HDBLoc_Local | HC_HZONEasFF_MASK | - format | pitch ); - OUT_RING( (HC_SubA_HZWTMD << 24) | vmesa->regHZWTMD ); - ADVANCE_RING(); - } - - if (ctx->Color.AlphaEnabled) { - BEGIN_RING(1); - OUT_RING( (HC_SubA_HATMD << 24) | vmesa->regHATMD ); - ADVANCE_RING(); - i++; - } - - if (ctx->Color.BlendEnabled) { - BEGIN_RING(11); - OUT_RING( (HC_SubA_HABLCsat << 24) | vmesa->regHABLCsat ); - OUT_RING( (HC_SubA_HABLCop << 24) | vmesa->regHABLCop ); - OUT_RING( (HC_SubA_HABLAsat << 24) | vmesa->regHABLAsat ); - OUT_RING( (HC_SubA_HABLAop << 24) | vmesa->regHABLAop ); - OUT_RING( (HC_SubA_HABLRCa << 24) | vmesa->regHABLRCa ); - OUT_RING( (HC_SubA_HABLRFCa << 24) | vmesa->regHABLRFCa ); - OUT_RING( (HC_SubA_HABLRCbias << 24) | vmesa->regHABLRCbias ); - OUT_RING( (HC_SubA_HABLRCb << 24) | vmesa->regHABLRCb ); - OUT_RING( (HC_SubA_HABLRFCb << 24) | vmesa->regHABLRFCb ); - OUT_RING( (HC_SubA_HABLRAa << 24) | vmesa->regHABLRAa ); - OUT_RING( (HC_SubA_HABLRAb << 24) | vmesa->regHABLRAb ); - ADVANCE_RING(); - } - - if (ctx->Fog.Enabled) { - BEGIN_RING(3); - OUT_RING( (HC_SubA_HFogLF << 24) | vmesa->regHFogLF ); - OUT_RING( (HC_SubA_HFogCL << 24) | vmesa->regHFogCL ); - OUT_RING( (HC_SubA_HFogCH << 24) | vmesa->regHFogCH ); - ADVANCE_RING(); - } - - if (ctx->Line.StippleFlag) { - BEGIN_RING(2); - OUT_RING( (HC_SubA_HLP << 24) | ctx->Line.StipplePattern ); - OUT_RING( (HC_SubA_HLPRF << 24) | ctx->Line.StippleFactor ); - ADVANCE_RING(); - } - - BEGIN_RING(1); - OUT_RING( (HC_SubA_HPixGC << 24) | 0x0 ); - ADVANCE_RING(); - - QWORD_PAD_RING(); - - - if (ctx->Texture._EnabledUnits) { - - struct gl_texture_unit *texUnit0 = &ctx->Texture.Unit[0]; - struct gl_texture_unit *texUnit1 = &ctx->Texture.Unit[1]; - - { - GLuint nDummyValue = 0; - - BEGIN_RING( 8 ); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (HC_SubType_TexGeneral << 24) ); - - if (texUnit0->Enabled && texUnit1->Enabled) { - nDummyValue = (HC_SubA_HTXSMD << 24) | (1 << 3); - } - else { - nDummyValue = (HC_SubA_HTXSMD << 24) | 0; - } - - if (vmesa->clearTexCache) { - vmesa->clearTexCache = 0; - OUT_RING( nDummyValue | HC_HTXCHCLR_MASK ); - OUT_RING( nDummyValue ); - } - else { - OUT_RING( nDummyValue ); - OUT_RING( nDummyValue ); - } - - OUT_RING( HC_HEADER2 ); - OUT_RING( HC_ParaType_NotTex << 16 ); - OUT_RING( (HC_SubA_HEnable << 24) | vmesa->regEnable ); - OUT_RING( (HC_SubA_HEnable << 24) | vmesa->regEnable ); - ADVANCE_RING(); - } - - if (texUnit0->Enabled) { - struct gl_texture_object *texObj = texUnit0->_Current; - struct via_texture_object *t = (struct via_texture_object *)texObj; - GLuint numLevels = t->lastLevel - t->firstLevel + 1; - if (VIA_DEBUG & DEBUG_STATE) { - fprintf(stderr, "texture0 enabled\n"); - } - if (numLevels == 8) { - BEGIN_RING(27); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (0 << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexWidthLog2[1] ); - OUT_RING( t->regTexHeightLog2[0] ); - OUT_RING( t->regTexHeightLog2[1] ); - OUT_RING( t->regTexBaseH[0] ); - OUT_RING( t->regTexBaseH[1] ); - OUT_RING( t->regTexBaseH[2] ); - OUT_RING( t->regTexBaseAndPitch[0].baseL ); - OUT_RING( t->regTexBaseAndPitch[0].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[1].baseL ); - OUT_RING( t->regTexBaseAndPitch[1].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[2].baseL ); - OUT_RING( t->regTexBaseAndPitch[2].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[3].baseL ); - OUT_RING( t->regTexBaseAndPitch[3].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[4].baseL ); - OUT_RING( t->regTexBaseAndPitch[4].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[5].baseL ); - OUT_RING( t->regTexBaseAndPitch[5].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[6].baseL ); - OUT_RING( t->regTexBaseAndPitch[6].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[7].baseL ); - OUT_RING( t->regTexBaseAndPitch[7].pitchLog2 ); - ADVANCE_RING(); - } - else if (numLevels > 1) { - - BEGIN_RING(12 + numLevels * 2); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (0 << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexHeightLog2[0] ); - - if (numLevels > 6) { - OUT_RING( t->regTexWidthLog2[1] ); - OUT_RING( t->regTexHeightLog2[1] ); - } - - OUT_RING( t->regTexBaseH[0] ); - - if (numLevels > 3) { - OUT_RING( t->regTexBaseH[1] ); - } - if (numLevels > 6) { - OUT_RING( t->regTexBaseH[2] ); - } - if (numLevels > 9) { - OUT_RING( t->regTexBaseH[3] ); - } - - for (j = 0; j < numLevels; j++) { - OUT_RING( t->regTexBaseAndPitch[j].baseL ); - OUT_RING( t->regTexBaseAndPitch[j].pitchLog2 ); - } - - ADVANCE_RING_VARIABLE(); - } - else { - - BEGIN_RING(9); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (0 << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexHeightLog2[0] ); - OUT_RING( t->regTexBaseH[0] ); - OUT_RING( t->regTexBaseAndPitch[0].baseL ); - OUT_RING( t->regTexBaseAndPitch[0].pitchLog2 ); - ADVANCE_RING(); - } - - BEGIN_RING(14); - OUT_RING( (HC_SubA_HTXnTB << 24) | vmesa->regHTXnTB[0] ); - OUT_RING( (HC_SubA_HTXnMPMD << 24) | vmesa->regHTXnMPMD[0] ); - OUT_RING( (HC_SubA_HTXnTBLCsat << 24) | vmesa->regHTXnTBLCsat[0] ); - OUT_RING( (HC_SubA_HTXnTBLCop << 24) | vmesa->regHTXnTBLCop[0] ); - OUT_RING( (HC_SubA_HTXnTBLMPfog << 24) | vmesa->regHTXnTBLMPfog[0] ); - OUT_RING( (HC_SubA_HTXnTBLAsat << 24) | vmesa->regHTXnTBLAsat[0] ); - OUT_RING( (HC_SubA_HTXnTBLRCb << 24) | vmesa->regHTXnTBLRCb[0] ); - OUT_RING( (HC_SubA_HTXnTBLRAa << 24) | vmesa->regHTXnTBLRAa[0] ); - OUT_RING( (HC_SubA_HTXnTBLRFog << 24) | vmesa->regHTXnTBLRFog[0] ); - OUT_RING( (HC_SubA_HTXnTBLRCa << 24) | vmesa->regHTXnTBLRCa[0] ); - OUT_RING( (HC_SubA_HTXnTBLRCc << 24) | vmesa->regHTXnTBLRCc[0] ); - OUT_RING( (HC_SubA_HTXnTBLRCbias << 24) | vmesa->regHTXnTBLRCbias[0] ); - OUT_RING( (HC_SubA_HTXnTBC << 24) | vmesa->regHTXnTBC[0] ); - OUT_RING( (HC_SubA_HTXnTRAH << 24) | vmesa->regHTXnTRAH[0] ); -/* OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[0] ); */ - ADVANCE_RING(); - - /* KW: This test never succeeds: - */ - if (t->regTexFM == HC_HTXnFM_Index8) { - struct gl_color_table *table = &texObj->Palette; - GLfloat *tableF = (GLfloat *)table->Table; - - BEGIN_RING(2 + table->Size); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Palette << 16) | (0 << 24) ); - for (j = 0; j < table->Size; j++) - OUT_RING( tableF[j] ); - ADVANCE_RING(); - - } - - QWORD_PAD_RING(); - } - - if (texUnit1->Enabled) { - struct gl_texture_object *texObj = texUnit1->_Current; - struct via_texture_object *t = (struct via_texture_object *)texObj; - GLuint numLevels = t->lastLevel - t->firstLevel + 1; - int texunit = (texUnit0->Enabled ? 1 : 0); - if (VIA_DEBUG & DEBUG_STATE) { - fprintf(stderr, "texture1 enabled\n"); - } - if (numLevels == 8) { - BEGIN_RING(27); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (texunit << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexWidthLog2[1] ); - OUT_RING( t->regTexHeightLog2[0] ); - OUT_RING( t->regTexHeightLog2[1] ); - OUT_RING( t->regTexBaseH[0] ); - OUT_RING( t->regTexBaseH[1] ); - OUT_RING( t->regTexBaseH[2] ); - OUT_RING( t->regTexBaseAndPitch[0].baseL ); - OUT_RING( t->regTexBaseAndPitch[0].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[1].baseL ); - OUT_RING( t->regTexBaseAndPitch[1].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[2].baseL ); - OUT_RING( t->regTexBaseAndPitch[2].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[3].baseL ); - OUT_RING( t->regTexBaseAndPitch[3].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[4].baseL ); - OUT_RING( t->regTexBaseAndPitch[4].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[5].baseL ); - OUT_RING( t->regTexBaseAndPitch[5].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[6].baseL ); - OUT_RING( t->regTexBaseAndPitch[6].pitchLog2 ); - OUT_RING( t->regTexBaseAndPitch[7].baseL ); - OUT_RING( t->regTexBaseAndPitch[7].pitchLog2 ); - ADVANCE_RING(); - } - else if (numLevels > 1) { - BEGIN_RING(12 + numLevels * 2); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (texunit << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexHeightLog2[0] ); - - if (numLevels > 6) { - OUT_RING( t->regTexWidthLog2[1] ); - OUT_RING( t->regTexHeightLog2[1] ); - i += 2; - } - - OUT_RING( t->regTexBaseH[0] ); - - if (numLevels > 3) { - OUT_RING( t->regTexBaseH[1] ); - } - if (numLevels > 6) { - OUT_RING( t->regTexBaseH[2] ); - } - if (numLevels > 9) { - OUT_RING( t->regTexBaseH[3] ); - } - - for (j = 0; j < numLevels; j++) { - OUT_RING( t->regTexBaseAndPitch[j].baseL ); - OUT_RING( t->regTexBaseAndPitch[j].pitchLog2 ); - } - ADVANCE_RING_VARIABLE(); - } - else { - BEGIN_RING(9); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Tex << 16) | (texunit << 24) ); - OUT_RING( t->regTexFM ); - OUT_RING( (HC_SubA_HTXnL0OS << 24) | - ((t->lastLevel) << HC_HTXnLVmax_SHIFT) | t->firstLevel ); - OUT_RING( t->regTexWidthLog2[0] ); - OUT_RING( t->regTexHeightLog2[0] ); - OUT_RING( t->regTexBaseH[0] ); - OUT_RING( t->regTexBaseAndPitch[0].baseL ); - OUT_RING( t->regTexBaseAndPitch[0].pitchLog2 ); - ADVANCE_RING(); - } - - BEGIN_RING(14); - OUT_RING( (HC_SubA_HTXnTB << 24) | vmesa->regHTXnTB[1] ); - OUT_RING( (HC_SubA_HTXnMPMD << 24) | vmesa->regHTXnMPMD[1] ); - OUT_RING( (HC_SubA_HTXnTBLCsat << 24) | vmesa->regHTXnTBLCsat[1] ); - OUT_RING( (HC_SubA_HTXnTBLCop << 24) | vmesa->regHTXnTBLCop[1] ); - OUT_RING( (HC_SubA_HTXnTBLMPfog << 24) | vmesa->regHTXnTBLMPfog[1] ); - OUT_RING( (HC_SubA_HTXnTBLAsat << 24) | vmesa->regHTXnTBLAsat[1] ); - OUT_RING( (HC_SubA_HTXnTBLRCb << 24) | vmesa->regHTXnTBLRCb[1] ); - OUT_RING( (HC_SubA_HTXnTBLRAa << 24) | vmesa->regHTXnTBLRAa[1] ); - OUT_RING( (HC_SubA_HTXnTBLRFog << 24) | vmesa->regHTXnTBLRFog[1] ); - OUT_RING( (HC_SubA_HTXnTBLRCa << 24) | vmesa->regHTXnTBLRCa[1] ); - OUT_RING( (HC_SubA_HTXnTBLRCc << 24) | vmesa->regHTXnTBLRCc[1] ); - OUT_RING( (HC_SubA_HTXnTBLRCbias << 24) | vmesa->regHTXnTBLRCbias[1] ); - OUT_RING( (HC_SubA_HTXnTBC << 24) | vmesa->regHTXnTBC[1] ); - OUT_RING( (HC_SubA_HTXnTRAH << 24) | vmesa->regHTXnTRAH[1] ); -/* OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[1] ); */ - ADVANCE_RING(); - - /* KW: This test never succeeds: - */ - if (t->regTexFM == HC_HTXnFM_Index8) { - struct gl_color_table *table = &texObj->Palette; - GLfloat *tableF = (GLfloat *)table->Table; - - BEGIN_RING(2 + table->Size); - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_Palette << 16) | (texunit << 24) ); - for (j = 0; j < table->Size; j++) { - OUT_RING( tableF[j] ); - } - ADVANCE_RING(); - } - - QWORD_PAD_RING(); - } - } - -#if 0 - /* Polygon stipple is broken - for certain stipple values, - * eg. 0xf0f0f0f0, the hardware will refuse to accept the stipple. - * Coincidentally, conform generates just such a stipple. - */ - if (ctx->Polygon.StippleFlag) { - GLuint *stipple = &ctx->PolygonStipple[0]; - GLint i; - - BEGIN_RING(38); - OUT_RING( HC_HEADER2 ); - - OUT_RING( ((HC_ParaType_Palette << 16) | (HC_SubType_Stipple << 24)) ); - for (i = 31; i >= 0; i--) { - GLint j; - GLuint k = 0; - - /* Need to flip bits left to right: - */ - for (j = 0 ; j < 32; j++) - if (stipple[i] & (1<<j)) - k |= 1 << (31-j); - - OUT_RING( k ); - } - - OUT_RING( HC_HEADER2 ); - OUT_RING( (HC_ParaType_NotTex << 16) ); - OUT_RING( (HC_SubA_HSPXYOS << 24) | - (((32- vmesa->drawXoff) & 0x1f) << HC_HSPXOS_SHIFT)); - OUT_RING( (HC_SubA_HSPXYOS << 24) | - (((32 - vmesa->drawXoff) & 0x1f) << HC_HSPXOS_SHIFT)); - - ADVANCE_RING(); - } -#endif - - vmesa->newEmitState = 0; -} - - -static __inline__ GLuint viaPackColor(GLuint bpp, - GLubyte r, GLubyte g, - GLubyte b, GLubyte a) -{ - switch (bpp) { - case 16: - return PACK_COLOR_565(r, g, b); - case 32: - return PACK_COLOR_8888(a, r, g, b); - default: - assert(0); - return 0; - } -} - -static void viaBlendEquationSeparate(GLcontext *ctx, - GLenum rgbMode, - GLenum aMode) -{ - if (VIA_DEBUG & DEBUG_STATE) - fprintf(stderr, "%s in\n", __FUNCTION__); - - /* GL_EXT_blend_equation_separate not supported */ - ASSERT(rgbMode == aMode); - - /* Can only do GL_ADD equation in hardware */ - FALLBACK(VIA_CONTEXT(ctx), VIA_FALLBACK_BLEND_EQ, - rgbMode != GL_FUNC_ADD_EXT); - - /* BlendEquation sets ColorLogicOpEnabled in an unexpected - * manner. - */ - FALLBACK(VIA_CONTEXT(ctx), VIA_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); -} - -static void viaBlendFunc(GLcontext *ctx, GLenum sfactor, GLenum dfactor) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLboolean fallback = GL_FALSE; - if (VIA_DEBUG & DEBUG_STATE) - fprintf(stderr, "%s in\n", __FUNCTION__); - - switch (ctx->Color.BlendSrcRGB) { - case GL_SRC_ALPHA_SATURATE: - case GL_CONSTANT_COLOR: - case GL_ONE_MINUS_CONSTANT_COLOR: - case GL_CONSTANT_ALPHA: - case GL_ONE_MINUS_CONSTANT_ALPHA: - fallback = GL_TRUE; - break; - default: - break; - } - - switch (ctx->Color.BlendDstRGB) { - case GL_CONSTANT_COLOR: - case GL_ONE_MINUS_CONSTANT_COLOR: - case GL_CONSTANT_ALPHA: - case GL_ONE_MINUS_CONSTANT_ALPHA: - fallback = GL_TRUE; - break; - default: - break; - } - - FALLBACK(vmesa, VIA_FALLBACK_BLEND_FUNC, fallback); -} - -/* Shouldn't be called as the extension is disabled. - */ -static void viaBlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, - GLenum dfactorRGB, GLenum sfactorA, - GLenum dfactorA) -{ - if (dfactorRGB != dfactorA || sfactorRGB != sfactorA) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBlendEquation (disabled)"); - } - - viaBlendFunc(ctx, sfactorRGB, dfactorRGB); -} - - - - -/* ============================================================= - * Hardware clipping - */ -static void viaScissor(GLcontext *ctx, GLint x, GLint y, - GLsizei w, GLsizei h) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (!vmesa->driDrawable) - return; - - if (VIA_DEBUG & DEBUG_STATE) - fprintf(stderr, "%s %d,%d %dx%d, drawH %d\n", __FUNCTION__, - x,y,w,h, vmesa->driDrawable->h); - - if (vmesa->scissor) { - VIA_FLUSH_DMA(vmesa); /* don't pipeline cliprect changes */ - } - - vmesa->scissorRect.x1 = x; - vmesa->scissorRect.y1 = vmesa->driDrawable->h - y - h; - vmesa->scissorRect.x2 = x + w; - vmesa->scissorRect.y2 = vmesa->driDrawable->h - y; -} - -static void viaEnable(GLcontext *ctx, GLenum cap, GLboolean state) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - switch (cap) { - case GL_SCISSOR_TEST: - VIA_FLUSH_DMA(vmesa); - vmesa->scissor = state; - break; - default: - break; - } -} - - - -/* Fallback to swrast for select and feedback. - */ -static void viaRenderMode(GLcontext *ctx, GLenum mode) -{ - FALLBACK(VIA_CONTEXT(ctx), VIA_FALLBACK_RENDERMODE, (mode != GL_RENDER)); -} - - -static void viaDrawBuffer(GLcontext *ctx, GLenum mode) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (VIA_DEBUG & (DEBUG_DRI|DEBUG_STATE)) - fprintf(stderr, "%s in\n", __FUNCTION__); - - if (!ctx->DrawBuffer) - return; - - switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) { - case BUFFER_BIT_FRONT_LEFT: - VIA_FLUSH_DMA(vmesa); - vmesa->drawBuffer = vmesa->readBuffer = &vmesa->front; - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); - break; - case BUFFER_BIT_BACK_LEFT: - VIA_FLUSH_DMA(vmesa); - vmesa->drawBuffer = vmesa->readBuffer = &vmesa->back; - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); - break; - default: - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_TRUE); - return; - } - - - viaXMesaWindowMoved(vmesa); - - /* We want to update the s/w rast state too so that viaSetBuffer() - * gets called. - */ - _swrast_DrawBuffer(ctx, mode); -} - -static void viaClearColor(GLcontext *ctx, const GLfloat color[4]) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLubyte pcolor[4]; - CLAMPED_FLOAT_TO_UBYTE(pcolor[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(pcolor[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(pcolor[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(pcolor[3], color[3]); - vmesa->ClearColor = viaPackColor(vmesa->viaScreen->bitsPerPixel, - pcolor[0], pcolor[1], - pcolor[2], pcolor[3]); -} - -#define WRITEMASK_ALPHA_SHIFT 31 -#define WRITEMASK_RED_SHIFT 30 -#define WRITEMASK_GREEN_SHIFT 29 -#define WRITEMASK_BLUE_SHIFT 28 - -static void viaColorMask(GLcontext *ctx, - GLboolean r, GLboolean g, - GLboolean b, GLboolean a) -{ - struct via_context *vmesa = VIA_CONTEXT( ctx ); - - if (VIA_DEBUG & DEBUG_STATE) - fprintf(stderr, "%s r(%d) g(%d) b(%d) a(%d)\n", __FUNCTION__, r, g, b, a); - - vmesa->ClearMask = (((!r) << WRITEMASK_RED_SHIFT) | - ((!g) << WRITEMASK_GREEN_SHIFT) | - ((!b) << WRITEMASK_BLUE_SHIFT) | - ((!a) << WRITEMASK_ALPHA_SHIFT)); -} - - -/* ============================================================= - */ - - -/* Using drawXoff like this is incorrect outside of locked regions. - * This hardware just isn't capable of private back buffers without - * glitches and/or a hefty locking scheme. - */ -void viaCalcViewport(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - const GLfloat *v = ctx->Viewport._WindowMap.m; - GLfloat *m = vmesa->ViewportMatrix.m; - - /* See also via_translate_vertex. - */ - m[MAT_SX] = v[MAT_SX]; - m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X + vmesa->drawXoff; - m[MAT_SY] = - v[MAT_SY]; - m[MAT_TY] = - v[MAT_TY] + vmesa->driDrawable->h + SUBPIXEL_Y; - m[MAT_SZ] = v[MAT_SZ] * (1.0 / vmesa->depth_max); - m[MAT_TZ] = v[MAT_TZ] * (1.0 / vmesa->depth_max); -} - -static void viaViewport(GLcontext *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height) -{ - /* update size of Mesa/software ancillary buffers */ - _mesa_ResizeBuffersMESA(); - viaCalcViewport(ctx); -} - -static void viaDepthRange(GLcontext *ctx, - GLclampd nearval, GLclampd farval) -{ - viaCalcViewport(ctx); -} - -void viaInitState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - vmesa->regCmdB = HC_ACMD_HCmdB; - vmesa->regEnable = HC_HenCW_MASK; - - /* Mesa should do this for us: - */ - - ctx->Driver.BlendEquationSeparate( ctx, - ctx->Color.BlendEquationRGB, - ctx->Color.BlendEquationA); - - ctx->Driver.BlendFuncSeparate( ctx, - ctx->Color.BlendSrcRGB, - ctx->Color.BlendDstRGB, - ctx->Color.BlendSrcA, - ctx->Color.BlendDstA); - - ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y, - ctx->Scissor.Width, ctx->Scissor.Height ); - - ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] ); -} - -/** - * Convert S and T texture coordinate wrap modes to hardware bits. - */ -static u_int32_t -get_wrap_mode( GLenum sWrap, GLenum tWrap ) -{ - u_int32_t v = 0; - - - switch( sWrap ) { - case GL_REPEAT: - v |= HC_HTXnMPMD_Srepeat; - break; - case GL_CLAMP: - case GL_CLAMP_TO_EDGE: - v |= HC_HTXnMPMD_Sclamp; - break; - case GL_MIRRORED_REPEAT: - v |= HC_HTXnMPMD_Smirror; - break; - } - - switch( tWrap ) { - case GL_REPEAT: - v |= HC_HTXnMPMD_Trepeat; - break; - case GL_CLAMP: - case GL_CLAMP_TO_EDGE: - v |= HC_HTXnMPMD_Tclamp; - break; - case GL_MIRRORED_REPEAT: - v |= HC_HTXnMPMD_Tmirror; - break; - } - - return v; -} - -static u_int32_t -get_minmag_filter( GLenum min, GLenum mag ) -{ - u_int32_t v = 0; - - switch (min) { - case GL_NEAREST: - v = HC_HTXnFLSs_Nearest | - HC_HTXnFLTs_Nearest; - break; - case GL_LINEAR: - v = HC_HTXnFLSs_Linear | - HC_HTXnFLTs_Linear; - break; - case GL_NEAREST_MIPMAP_NEAREST: - v = HC_HTXnFLSs_Nearest | - HC_HTXnFLTs_Nearest; - v |= HC_HTXnFLDs_Nearest; - break; - case GL_LINEAR_MIPMAP_NEAREST: - v = HC_HTXnFLSs_Linear | - HC_HTXnFLTs_Linear; - v |= HC_HTXnFLDs_Nearest; - break; - case GL_NEAREST_MIPMAP_LINEAR: - v = HC_HTXnFLSs_Nearest | - HC_HTXnFLTs_Nearest; - v |= HC_HTXnFLDs_Linear; - break; - case GL_LINEAR_MIPMAP_LINEAR: - v = HC_HTXnFLSs_Linear | - HC_HTXnFLTs_Linear; - v |= HC_HTXnFLDs_Linear; - break; - default: - break; - } - - switch (mag) { - case GL_LINEAR: - v |= HC_HTXnFLSe_Linear | - HC_HTXnFLTe_Linear; - break; - case GL_NEAREST: - v |= HC_HTXnFLSe_Nearest | - HC_HTXnFLTe_Nearest; - break; - default: - break; - } - - return v; -} - - -static GLboolean viaChooseTextureState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - struct gl_texture_unit *texUnit0 = &ctx->Texture.Unit[0]; - struct gl_texture_unit *texUnit1 = &ctx->Texture.Unit[1]; - - if (texUnit0->_ReallyEnabled || texUnit1->_ReallyEnabled) { - vmesa->regEnable |= HC_HenTXMP_MASK | HC_HenTXCH_MASK | HC_HenTXPP_MASK; - - if (texUnit0->_ReallyEnabled) { - struct gl_texture_object *texObj = texUnit0->_Current; - - vmesa->regHTXnTB[0] = get_minmag_filter( texObj->MinFilter, - texObj->MagFilter ); - - vmesa->regHTXnMPMD[0] &= ~(HC_HTXnMPMD_SMASK | HC_HTXnMPMD_TMASK); - vmesa->regHTXnMPMD[0] |= get_wrap_mode( texObj->WrapS, - texObj->WrapT ); - - vmesa->regHTXnTB[0] &= ~(HC_HTXnTB_TBC_S | HC_HTXnTB_TBC_T); - if (texObj->Image[0][texObj->BaseLevel]->Border > 0) { - vmesa->regHTXnTB[0] |= (HC_HTXnTB_TBC_S | HC_HTXnTB_TBC_T); - vmesa->regHTXnTBC[0] = - PACK_COLOR_888(FLOAT_TO_UBYTE(texObj->BorderColor[0]), - FLOAT_TO_UBYTE(texObj->BorderColor[1]), - FLOAT_TO_UBYTE(texObj->BorderColor[2])); - vmesa->regHTXnTRAH[0] = FLOAT_TO_UBYTE(texObj->BorderColor[3]); - } - - if (texUnit0->LodBias != 0.0f) { - GLuint b = viaComputeLodBias(texUnit0->LodBias); - vmesa->regHTXnTB[0] &= ~HC_HTXnFLDs_MASK; - vmesa->regHTXnTB[0] |= HC_HTXnFLDs_ConstLOD; - vmesa->regHTXnCLOD[0] = (b&0x1f) | (((~b)&0x1f)<<10); /* FIXME */ - } - - if (!viaTexCombineState( vmesa, texUnit0->_CurrentCombine, 0 )) { - if (VIA_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "viaTexCombineState failed for unit 0\n"); - return GL_FALSE; - } - } - - if (texUnit1->_ReallyEnabled) { - struct gl_texture_object *texObj = texUnit1->_Current; - - vmesa->regHTXnTB[1] = get_minmag_filter( texObj->MinFilter, - texObj->MagFilter ); - vmesa->regHTXnMPMD[1] &= ~(HC_HTXnMPMD_SMASK | HC_HTXnMPMD_TMASK); - vmesa->regHTXnMPMD[1] |= get_wrap_mode( texObj->WrapS, - texObj->WrapT ); - - vmesa->regHTXnTB[1] &= ~(HC_HTXnTB_TBC_S | HC_HTXnTB_TBC_T); - if (texObj->Image[0][texObj->BaseLevel]->Border > 0) { - vmesa->regHTXnTB[1] |= (HC_HTXnTB_TBC_S | HC_HTXnTB_TBC_T); - vmesa->regHTXnTBC[1] = - PACK_COLOR_888(FLOAT_TO_UBYTE(texObj->BorderColor[0]), - FLOAT_TO_UBYTE(texObj->BorderColor[1]), - FLOAT_TO_UBYTE(texObj->BorderColor[2])); - vmesa->regHTXnTRAH[1] = FLOAT_TO_UBYTE(texObj->BorderColor[3]); - } - - - if (texUnit1->LodBias != 0.0f) { - GLuint b = viaComputeLodBias(texUnit1->LodBias); - vmesa->regHTXnTB[1] &= ~HC_HTXnFLDs_MASK; - vmesa->regHTXnTB[1] |= HC_HTXnFLDs_ConstLOD; - vmesa->regHTXnCLOD[1] = (b&0x1f) | (((~b)&0x1f)<<10); /* FIXME */ - } - - if (!viaTexCombineState( vmesa, texUnit1->_CurrentCombine, 1 )) { - if (VIA_DEBUG & DEBUG_TEXTURE) - fprintf(stderr, "viaTexCombineState failed for unit 1\n"); - return GL_FALSE; - } - } - } - else { - vmesa->regEnable &= ~(HC_HenTXMP_MASK | HC_HenTXCH_MASK | - HC_HenTXPP_MASK); - } - - return GL_TRUE; -} - -static void viaChooseColorState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - GLenum s = ctx->Color.BlendSrcRGB; - GLenum d = ctx->Color.BlendDstRGB; - - /* The HW's blending equation is: - * (Ca * FCa + Cbias + Cb * FCb) << Cshift - */ - - if (ctx->Color.BlendEnabled) { - vmesa->regEnable |= HC_HenABL_MASK; - /* Ca -- always from source color. - */ - vmesa->regHABLCsat = HC_HABLCsat_MASK | HC_HABLCa_OPC | HC_HABLCa_Csrc; - /* Aa -- always from source alpha. - */ - vmesa->regHABLAsat = HC_HABLAsat_MASK | HC_HABLAa_OPA | HC_HABLAa_Asrc; - /* FCa -- depend on following condition. - * FAa -- depend on following condition. - */ - switch (s) { - case GL_ZERO: - /* (0, 0, 0, 0) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_HABLRCa; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_HABLFRA; - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - break; - case GL_ONE: - /* (1, 1, 1, 1) - */ - vmesa->regHABLCsat |= HC_HABLFCa_InvOPC | HC_HABLFCa_HABLRCa; - vmesa->regHABLAsat |= HC_HABLFAa_InvOPA | HC_HABLFAa_HABLFRA; - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - break; - case GL_SRC_COLOR: - /* (Rs, Gs, Bs, As) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_Csrc; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_Asrc; - break; - case GL_ONE_MINUS_SRC_COLOR: - /* (1, 1, 1, 1) - (Rs, Gs, Bs, As) - */ - vmesa->regHABLCsat |= HC_HABLFCa_InvOPC | HC_HABLFCa_Csrc; - vmesa->regHABLAsat |= HC_HABLFAa_InvOPA | HC_HABLFAa_Asrc; - break; - case GL_DST_COLOR: - /* (Rd, Gd, Bd, Ad) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_Cdst; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_Adst; - break; - case GL_ONE_MINUS_DST_COLOR: - /* (1, 1, 1, 1) - (Rd, Gd, Bd, Ad) - */ - vmesa->regHABLCsat |= HC_HABLFCa_InvOPC | HC_HABLFCa_Cdst; - vmesa->regHABLAsat |= HC_HABLFAa_InvOPA | HC_HABLFAa_Adst; - break; - case GL_SRC_ALPHA: - /* (As, As, As, As) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_Asrc; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_Asrc; - break; - case GL_ONE_MINUS_SRC_ALPHA: - /* (1, 1, 1, 1) - (As, As, As, As) - */ - vmesa->regHABLCsat |= HC_HABLFCa_InvOPC | HC_HABLFCa_Asrc; - vmesa->regHABLAsat |= HC_HABLFAa_InvOPA | HC_HABLFAa_Asrc; - break; - case GL_DST_ALPHA: - { - if (vmesa->viaScreen->bitsPerPixel == 16) { - /* (1, 1, 1, 1) - */ - vmesa->regHABLCsat |= (HC_HABLFCa_InvOPC | - HC_HABLFCa_HABLRCa); - vmesa->regHABLAsat |= (HC_HABLFAa_InvOPA | - HC_HABLFAa_HABLFRA); - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - } - else { - /* (Ad, Ad, Ad, Ad) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_Adst; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_Adst; - } - } - break; - case GL_ONE_MINUS_DST_ALPHA: - { - if (vmesa->viaScreen->bitsPerPixel == 16) { - /* (1, 1, 1, 1) - (1, 1, 1, 1) = (0, 0, 0, 0) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_HABLRCa; - vmesa->regHABLAsat |= HC_HABLFAa_OPA | HC_HABLFAa_HABLFRA; - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - } - else { - /* (1, 1, 1, 1) - (Ad, Ad, Ad, Ad) - */ - vmesa->regHABLCsat |= HC_HABLFCa_InvOPC | HC_HABLFCa_Adst; - vmesa->regHABLAsat |= HC_HABLFAa_InvOPA | HC_HABLFAa_Adst; - } - } - break; - case GL_SRC_ALPHA_SATURATE: - { - if (vmesa->viaScreen->bitsPerPixel == 16) { - /* (f, f, f, 1), f = min(As, 1 - Ad) = min(As, 1 - 1) = 0 - * So (f, f, f, 1) = (0, 0, 0, 1) - */ - vmesa->regHABLCsat |= HC_HABLFCa_OPC | HC_HABLFCa_HABLRCa; - vmesa->regHABLAsat |= (HC_HABLFAa_InvOPA | - HC_HABLFAa_HABLFRA); - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - } - else { - /* (f, f, f, 1), f = min(As, 1 - Ad) - */ - vmesa->regHABLCsat |= (HC_HABLFCa_OPC | - HC_HABLFCa_mimAsrcInvAdst); - vmesa->regHABLAsat |= (HC_HABLFAa_InvOPA | - HC_HABLFAa_HABLFRA); - vmesa->regHABLRFCa = 0x0; - vmesa->regHABLRAa = 0x0; - } - } - break; - } - - /* Op is add. - */ - - /* bias is 0. - */ - vmesa->regHABLCsat |= HC_HABLCbias_HABLRCbias; - vmesa->regHABLAsat |= HC_HABLAbias_HABLRAbias; - - /* Cb -- always from destination color. - */ - vmesa->regHABLCop = HC_HABLCb_OPC | HC_HABLCb_Cdst; - /* Ab -- always from destination alpha. - */ - vmesa->regHABLAop = HC_HABLAb_OPA | HC_HABLAb_Adst; - /* FCb -- depend on following condition. - */ - switch (d) { - case GL_ZERO: - /* (0, 0, 0, 0) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_HABLRCb; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_HABLFRA; - vmesa->regHABLRFCb = 0x0; - vmesa->regHABLRAb = 0x0; - break; - case GL_ONE: - /* (1, 1, 1, 1) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_HABLRCb; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_HABLFRA; - vmesa->regHABLRFCb = 0x0; - vmesa->regHABLRAb = 0x0; - break; - case GL_SRC_COLOR: - /* (Rs, Gs, Bs, As) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_Csrc; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_Asrc; - break; - case GL_ONE_MINUS_SRC_COLOR: - /* (1, 1, 1, 1) - (Rs, Gs, Bs, As) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_Csrc; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_Asrc; - break; - case GL_DST_COLOR: - /* (Rd, Gd, Bd, Ad) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_Cdst; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_Adst; - break; - case GL_ONE_MINUS_DST_COLOR: - /* (1, 1, 1, 1) - (Rd, Gd, Bd, Ad) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_Cdst; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_Adst; - break; - case GL_SRC_ALPHA: - /* (As, As, As, As) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_Asrc; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_Asrc; - break; - case GL_ONE_MINUS_SRC_ALPHA: - /* (1, 1, 1, 1) - (As, As, As, As) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_Asrc; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_Asrc; - break; - case GL_DST_ALPHA: - { - if (vmesa->viaScreen->bitsPerPixel == 16) { - /* (1, 1, 1, 1) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_HABLRCb; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_HABLFRA; - vmesa->regHABLRFCb = 0x0; - vmesa->regHABLRAb = 0x0; - } - else { - /* (Ad, Ad, Ad, Ad) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_Adst; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_Adst; - } - } - break; - case GL_ONE_MINUS_DST_ALPHA: - { - if (vmesa->viaScreen->bitsPerPixel == 16) { - /* (1, 1, 1, 1) - (1, 1, 1, 1) = (0, 0, 0, 0) - */ - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_HABLRCb; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_HABLFRA; - vmesa->regHABLRFCb = 0x0; - vmesa->regHABLRAb = 0x0; - } - else { - /* (1, 1, 1, 1) - (Ad, Ad, Ad, Ad) - */ - vmesa->regHABLCop |= HC_HABLFCb_InvOPC | HC_HABLFCb_Adst; - vmesa->regHABLAop |= HC_HABLFAb_InvOPA | HC_HABLFAb_Adst; - } - } - break; - default: - vmesa->regHABLCop |= HC_HABLFCb_OPC | HC_HABLFCb_HABLRCb; - vmesa->regHABLAop |= HC_HABLFAb_OPA | HC_HABLFAb_HABLFRA; - vmesa->regHABLRFCb = 0x0; - vmesa->regHABLRAb = 0x0; - break; - } - - if (vmesa->viaScreen->bitsPerPixel <= 16) - vmesa->regEnable &= ~HC_HenDT_MASK; - - } - else { - vmesa->regEnable &= (~HC_HenABL_MASK); - } - - if (ctx->Color.AlphaEnabled) { - vmesa->regEnable |= HC_HenAT_MASK; - vmesa->regHATMD = FLOAT_TO_UBYTE(ctx->Color.AlphaRef) | - ((ctx->Color.AlphaFunc - GL_NEVER) << 8); - } - else { - vmesa->regEnable &= (~HC_HenAT_MASK); - } - - if (ctx->Color.DitherFlag && (vmesa->viaScreen->bitsPerPixel < 32)) { - if (ctx->Color.BlendEnabled) { - vmesa->regEnable &= ~HC_HenDT_MASK; - } - else { - vmesa->regEnable |= HC_HenDT_MASK; - } - } - - - vmesa->regEnable &= ~HC_HenDT_MASK; - - if (ctx->Color.ColorLogicOpEnabled) - vmesa->regHROP = ROP[ctx->Color.LogicOp & 0xF]; - else - vmesa->regHROP = HC_HROP_P; - - vmesa->regHFBBMSKL = PACK_COLOR_888(ctx->Color.ColorMask[0], - ctx->Color.ColorMask[1], - ctx->Color.ColorMask[2]); - vmesa->regHROP |= ctx->Color.ColorMask[3]; - - if (ctx->Color.ColorMask[3]) - vmesa->regEnable |= HC_HenAW_MASK; - else - vmesa->regEnable &= ~HC_HenAW_MASK; -} - -static void viaChooseFogState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (ctx->Fog.Enabled) { - GLubyte r, g, b, a; - - vmesa->regEnable |= HC_HenFOG_MASK; - - /* Use fog equation 0 (OpenGL's default) & local fog. - */ - vmesa->regHFogLF = 0x0; - - r = (GLubyte)(ctx->Fog.Color[0] * 255.0F); - g = (GLubyte)(ctx->Fog.Color[1] * 255.0F); - b = (GLubyte)(ctx->Fog.Color[2] * 255.0F); - a = (GLubyte)(ctx->Fog.Color[3] * 255.0F); - vmesa->regHFogCL = (r << 16) | (g << 8) | b; - vmesa->regHFogCH = a; - } - else { - vmesa->regEnable &= ~HC_HenFOG_MASK; - } -} - -static void viaChooseDepthState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - if (ctx->Depth.Test) { - vmesa->regEnable |= HC_HenZT_MASK; - if (ctx->Depth.Mask) - vmesa->regEnable |= HC_HenZW_MASK; - else - vmesa->regEnable &= (~HC_HenZW_MASK); - vmesa->regHZWTMD = (ctx->Depth.Func - GL_NEVER) << 16; - - } - else { - vmesa->regEnable &= ~HC_HenZT_MASK; - - /*=* [DBG] racer : can't display cars in car selection menu *=*/ - /*if (ctx->Depth.Mask) - vmesa->regEnable |= HC_HenZW_MASK; - else - vmesa->regEnable &= (~HC_HenZW_MASK);*/ - vmesa->regEnable &= (~HC_HenZW_MASK); - } -} - -static void viaChooseLineState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (ctx->Line.StippleFlag) { - vmesa->regEnable |= HC_HenLP_MASK; - vmesa->regHLP = ctx->Line.StipplePattern; - vmesa->regHLPRF = ctx->Line.StippleFactor; - } - else { - vmesa->regEnable &= ~HC_HenLP_MASK; - } -} - -static void viaChoosePolygonState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - -#if 0 - /* Polygon stipple is broken - see via_state.c - */ - if (ctx->Polygon.StippleFlag) { - vmesa->regEnable |= HC_HenSP_MASK; - } - else { - vmesa->regEnable &= ~HC_HenSP_MASK; - } -#else - FALLBACK(vmesa, VIA_FALLBACK_POLY_STIPPLE, - ctx->Polygon.StippleFlag); -#endif - - if (ctx->Polygon.CullFlag) { - vmesa->regEnable |= HC_HenFBCull_MASK; - } - else { - vmesa->regEnable &= ~HC_HenFBCull_MASK; - } -} - -static void viaChooseStencilState(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (ctx->Stencil.Enabled) { - GLuint temp; - - vmesa->regEnable |= HC_HenST_MASK; - temp = (ctx->Stencil.Ref[0] & 0xFF) << HC_HSTREF_SHIFT; - temp |= 0xFF << HC_HSTOPMSK_SHIFT; - temp |= (ctx->Stencil.ValueMask[0] & 0xFF); - vmesa->regHSTREF = temp; - - temp = (ctx->Stencil.Function[0] - GL_NEVER) << 16; - - switch (ctx->Stencil.FailFunc[0]) { - case GL_KEEP: - temp |= HC_HSTOPSF_KEEP; - break; - case GL_ZERO: - temp |= HC_HSTOPSF_ZERO; - break; - case GL_REPLACE: - temp |= HC_HSTOPSF_REPLACE; - break; - case GL_INVERT: - temp |= HC_HSTOPSF_INVERT; - break; - case GL_INCR: - temp |= HC_HSTOPSF_INCR; - break; - case GL_DECR: - temp |= HC_HSTOPSF_DECR; - break; - } - - switch (ctx->Stencil.ZFailFunc[0]) { - case GL_KEEP: - temp |= HC_HSTOPSPZF_KEEP; - break; - case GL_ZERO: - temp |= HC_HSTOPSPZF_ZERO; - break; - case GL_REPLACE: - temp |= HC_HSTOPSPZF_REPLACE; - break; - case GL_INVERT: - temp |= HC_HSTOPSPZF_INVERT; - break; - case GL_INCR: - temp |= HC_HSTOPSPZF_INCR; - break; - case GL_DECR: - temp |= HC_HSTOPSPZF_DECR; - break; - } - - switch (ctx->Stencil.ZPassFunc[0]) { - case GL_KEEP: - temp |= HC_HSTOPSPZP_KEEP; - break; - case GL_ZERO: - temp |= HC_HSTOPSPZP_ZERO; - break; - case GL_REPLACE: - temp |= HC_HSTOPSPZP_REPLACE; - break; - case GL_INVERT: - temp |= HC_HSTOPSPZP_INVERT; - break; - case GL_INCR: - temp |= HC_HSTOPSPZP_INCR; - break; - case GL_DECR: - temp |= HC_HSTOPSPZP_DECR; - break; - } - vmesa->regHSTMD = temp; - } - else { - vmesa->regEnable &= ~HC_HenST_MASK; - } -} - - - -static void viaChooseTriangle(GLcontext *ctx) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (ctx->Polygon.CullFlag == GL_TRUE) { - switch (ctx->Polygon.CullFaceMode) { - case GL_FRONT: - if (ctx->Polygon.FrontFace == GL_CCW) - vmesa->regCmdB |= HC_HBFace_MASK; - else - vmesa->regCmdB &= ~HC_HBFace_MASK; - break; - case GL_BACK: - if (ctx->Polygon.FrontFace == GL_CW) - vmesa->regCmdB |= HC_HBFace_MASK; - else - vmesa->regCmdB &= ~HC_HBFace_MASK; - break; - case GL_FRONT_AND_BACK: - return; - } - } -} - -void viaValidateState( GLcontext *ctx ) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - if (vmesa->newState & _NEW_TEXTURE) { - GLboolean ok = (viaChooseTextureState(ctx) && - viaUpdateTextureState(ctx)); - - FALLBACK(vmesa, VIA_FALLBACK_TEXTURE, !ok); - } - - if (vmesa->newState & _NEW_COLOR) - viaChooseColorState(ctx); - - if (vmesa->newState & _NEW_DEPTH) - viaChooseDepthState(ctx); - - if (vmesa->newState & _NEW_FOG) - viaChooseFogState(ctx); - - if (vmesa->newState & _NEW_LINE) - viaChooseLineState(ctx); - - if (vmesa->newState & (_NEW_POLYGON | _NEW_POLYGONSTIPPLE)) { - viaChoosePolygonState(ctx); - viaChooseTriangle(ctx); - } - - if ((vmesa->newState & _NEW_STENCIL) && vmesa->have_hw_stencil) - viaChooseStencilState(ctx); - - if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) - vmesa->regEnable |= HC_HenCS_MASK; - else - vmesa->regEnable &= ~HC_HenCS_MASK; - - if (ctx->Point.SmoothFlag || - ctx->Line.SmoothFlag || - ctx->Polygon.SmoothFlag) - vmesa->regEnable |= HC_HenAA_MASK; - else - vmesa->regEnable &= ~HC_HenAA_MASK; - - vmesa->newEmitState |= vmesa->newState; - vmesa->newState = 0; -} - -static void viaInvalidateState(GLcontext *ctx, GLuint newState) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - - VIA_FINISH_PRIM( vmesa ); - vmesa->newState |= newState; - - _swrast_InvalidateState(ctx, newState); - _swsetup_InvalidateState(ctx, newState); - _ac_InvalidateState(ctx, newState); - _tnl_InvalidateState(ctx, newState); -} - -void viaInitStateFuncs(GLcontext *ctx) -{ - /* Callbacks for internal Mesa events. - */ - ctx->Driver.UpdateState = viaInvalidateState; - - /* API callbacks - */ - ctx->Driver.BlendEquationSeparate = viaBlendEquationSeparate; - ctx->Driver.BlendFuncSeparate = viaBlendFuncSeparate; - ctx->Driver.ClearColor = viaClearColor; - ctx->Driver.ColorMask = viaColorMask; - ctx->Driver.DrawBuffer = viaDrawBuffer; - ctx->Driver.RenderMode = viaRenderMode; - ctx->Driver.Scissor = viaScissor; - ctx->Driver.DepthRange = viaDepthRange; - ctx->Driver.Viewport = viaViewport; - ctx->Driver.Enable = viaEnable; - - /* Pixel path fallbacks. - */ - ctx->Driver.Accum = _swrast_Accum; - ctx->Driver.Bitmap = _swrast_Bitmap; - ctx->Driver.CopyPixels = _swrast_CopyPixels; - ctx->Driver.DrawPixels = _swrast_DrawPixels; - ctx->Driver.ReadPixels = _swrast_ReadPixels; - ctx->Driver.ResizeBuffers = viaReAllocateBuffers; - - /* Swrast hooks for imaging extensions: - */ - ctx->Driver.CopyColorTable = _swrast_CopyColorTable; - ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable; - ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D; - ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D; -} |