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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_state.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_state.c853
1 files changed, 0 insertions, 853 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_state.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_state.c
deleted file mode 100644
index db58e9090..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_state.c
+++ /dev/null
@@ -1,853 +0,0 @@
-/**************************************************************************
-
-Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
-Copyright 2003 Eric Anholt
-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
-on 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
-ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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.
-
-**************************************************************************/
-/* $XFree86: xc/lib/GL/mesa/src/drv/sis/sis_ctx.c,v 1.3 2000/09/26 15:56:48 tsi Exp $ */
-
-/*
- * Authors:
- * Sung-Ching Lin <sclin@sis.com.tw>
- * Eric Anholt <anholt@FreeBSD.org>
- */
-
-#include "sis_context.h"
-#include "sis_state.h"
-#include "sis_tris.h"
-#include "sis_lock.h"
-#include "sis_tex.h"
-
-#include "context.h"
-#include "buffers.h"
-#include "enums.h"
-#include "colormac.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"
-
-/* =============================================================
- * Alpha blending
- */
-
-static void
-sisDDAlphaFunc( GLcontext * ctx, GLenum func, GLfloat ref )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- GLubyte refbyte;
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- CLAMPED_FLOAT_TO_UBYTE(refbyte, ref);
- current->hwAlpha = refbyte << 16;
-
- /* Alpha Test function */
- switch (func)
- {
- case GL_NEVER:
- current->hwAlpha |= SiS_ALPHA_NEVER;
- break;
- case GL_LESS:
- current->hwAlpha |= SiS_ALPHA_LESS;
- break;
- case GL_EQUAL:
- current->hwAlpha |= SiS_ALPHA_EQUAL;
- break;
- case GL_LEQUAL:
- current->hwAlpha |= SiS_ALPHA_LEQUAL;
- break;
- case GL_GREATER:
- current->hwAlpha |= SiS_ALPHA_GREATER;
- break;
- case GL_NOTEQUAL:
- current->hwAlpha |= SiS_ALPHA_NOTEQUAL;
- break;
- case GL_GEQUAL:
- current->hwAlpha |= SiS_ALPHA_GEQUAL;
- break;
- case GL_ALWAYS:
- current->hwAlpha |= SiS_ALPHA_ALWAYS;
- break;
- }
-
- prev->hwAlpha = current->hwAlpha;
- smesa->GlobalFlag |= GFLAG_ALPHASETTING;
-}
-
-static void
-sisDDBlendFuncSeparate( GLcontext *ctx,
- GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- current->hwDstSrcBlend = 0;
-
- switch (dfactorRGB)
- {
- case GL_ZERO:
- current->hwDstSrcBlend |= SiS_D_ZERO;
- break;
- case GL_ONE:
- current->hwDstSrcBlend |= SiS_D_ONE;
- break;
- case GL_SRC_COLOR:
- current->hwDstSrcBlend |= SiS_D_SRC_COLOR;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- current->hwDstSrcBlend |= SiS_D_ONE_MINUS_SRC_COLOR;
- break;
- case GL_SRC_ALPHA:
- current->hwDstSrcBlend |= SiS_D_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- current->hwDstSrcBlend |= SiS_D_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_COLOR:
- current->hwDstSrcBlend |= SiS_D_DST_COLOR;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- current->hwDstSrcBlend |= SiS_D_ONE_MINUS_DST_COLOR;
- break;
- case GL_DST_ALPHA:
- current->hwDstSrcBlend |= SiS_D_DST_ALPHA;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- current->hwDstSrcBlend |= SiS_D_ONE_MINUS_DST_ALPHA;
- break;
- default:
- fprintf(stderr, "Unknown dst blend function 0x%x\n", dfactorRGB);
- break;
- }
-
- switch (sfactorRGB)
- {
- case GL_ZERO:
- current->hwDstSrcBlend |= SiS_S_ZERO;
- break;
- case GL_ONE:
- current->hwDstSrcBlend |= SiS_S_ONE;
- break;
- case GL_SRC_COLOR:
- current->hwDstSrcBlend |= SiS_S_SRC_COLOR;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- current->hwDstSrcBlend |= SiS_S_ONE_MINUS_SRC_COLOR;
- break;
- case GL_SRC_ALPHA:
- current->hwDstSrcBlend |= SiS_S_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- current->hwDstSrcBlend |= SiS_S_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_COLOR:
- current->hwDstSrcBlend |= SiS_S_DST_COLOR;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- current->hwDstSrcBlend |= SiS_S_ONE_MINUS_DST_COLOR;
- break;
- case GL_DST_ALPHA:
- current->hwDstSrcBlend |= SiS_S_DST_ALPHA;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- current->hwDstSrcBlend |= SiS_S_ONE_MINUS_DST_ALPHA;
- break;
- case GL_SRC_ALPHA_SATURATE:
- current->hwDstSrcBlend |= SiS_S_SRC_ALPHA_SATURATE;
- break;
- default:
- fprintf(stderr, "Unknown src blend function 0x%x\n", sfactorRGB);
- break;
- }
-
- if (current->hwDstSrcBlend != prev->hwDstSrcBlend) {
- prev->hwDstSrcBlend = current->hwDstSrcBlend;
- smesa->GlobalFlag |= GFLAG_DSTBLEND;
- }
-}
-
-/* =============================================================
- * Depth testing
- */
-
-static void
-sisDDDepthFunc( GLcontext * ctx, GLenum func )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- current->hwZ &= ~MASK_ZTestMode;
- switch (func)
- {
- case GL_LESS:
- current->hwZ |= SiS_Z_COMP_S_LT_B;
- break;
- case GL_GEQUAL:
- current->hwZ |= SiS_Z_COMP_S_GE_B;
- break;
- case GL_LEQUAL:
- current->hwZ |= SiS_Z_COMP_S_LE_B;
- break;
- case GL_GREATER:
- current->hwZ |= SiS_Z_COMP_S_GT_B;
- break;
- case GL_NOTEQUAL:
- current->hwZ |= SiS_Z_COMP_S_NE_B;
- break;
- case GL_EQUAL:
- current->hwZ |= SiS_Z_COMP_S_EQ_B;
- break;
- case GL_ALWAYS:
- current->hwZ |= SiS_Z_COMP_ALWAYS;
- break;
- case GL_NEVER:
- current->hwZ |= SiS_Z_COMP_NEVER;
- break;
- }
-
- if (current->hwZ != prev->hwZ) {
- prev->hwZ = current->hwZ;
- smesa->GlobalFlag |= GFLAG_ZSETTING;
- }
-}
-
-void
-sisDDDepthMask( GLcontext * ctx, GLboolean flag )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- if (!ctx->Depth.Test)
- flag = GL_FALSE;
-
- if (ctx->Visual.stencilBits) {
- if (flag || (ctx->Stencil.WriteMask[0] != 0)) {
- current->hwCapEnable |= MASK_ZWriteEnable;
- if (flag && (ctx->Stencil.WriteMask[0] == 0xff)) {
- current->hwCapEnable2 &= ~MASK_ZMaskWriteEnable;
- } else {
- current->hwCapEnable2 |= MASK_ZMaskWriteEnable;
- current->hwZMask = (ctx->Stencil.WriteMask[0] << 24) |
- ((flag) ? 0x00ffffff : 0);
-
- if (current->hwZMask ^ prev->hwZMask) {
- prev->hwZMask = current->hwZMask;
- smesa->GlobalFlag |= GFLAG_ZSETTING;
- }
- }
- } else {
- current->hwCapEnable &= ~MASK_ZWriteEnable;
- }
- } else {
- if (flag) {
- current->hwCapEnable |= MASK_ZWriteEnable;
- current->hwCapEnable2 &= ~MASK_ZMaskWriteEnable;
- } else {
- current->hwCapEnable &= ~MASK_ZWriteEnable;
- }
- }
-}
-
-/* =============================================================
- * Clipping
- */
-
-void
-sisUpdateClipping( GLcontext *ctx )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- GLint x1, y1, x2, y2;
-
- x1 = 0;
- y1 = 0;
- x2 = smesa->width - 1;
- y2 = smesa->height - 1;
-
- if (ctx->Scissor.Enabled) {
- if (ctx->Scissor.X > x1)
- x1 = ctx->Scissor.X;
- if (ctx->Scissor.Y > y1)
- y1 = ctx->Scissor.Y;
- if (ctx->Scissor.X + ctx->Scissor.Width - 1 < x2)
- x2 = ctx->Scissor.X + ctx->Scissor.Width - 1;
- if (ctx->Scissor.Y + ctx->Scissor.Height - 1 < y2)
- y2 = ctx->Scissor.Y + ctx->Scissor.Height - 1;
- }
-
- y1 = Y_FLIP(y1);
- y2 = Y_FLIP(y2);
-
- current->clipTopBottom = (y2 << 13) | y1;
- current->clipLeftRight = (x1 << 13) | x2;
-
- if ((current->clipTopBottom ^ prev->clipTopBottom) ||
- (current->clipLeftRight ^ prev->clipLeftRight))
- {
- prev->clipTopBottom = current->clipTopBottom;
- prev->clipLeftRight = current->clipLeftRight;
- smesa->GlobalFlag |= GFLAG_CLIPPING;
- }
-}
-
-static void
-sisDDScissor( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h )
-{
- if (ctx->Scissor.Enabled)
- sisUpdateClipping( ctx );
-}
-
-/* =============================================================
- * Culling
- */
-
-static void
-sisUpdateCull( GLcontext *ctx )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- GLint cullflag, frontface;
-
- cullflag = ctx->Polygon.CullFaceMode;
- frontface = ctx->Polygon.FrontFace;
-
- smesa->AGPParseSet &= ~(MASK_PsCullDirection_CCW);
- smesa->dwPrimitiveSet &= ~(MASK_CullDirection);
-
- if((cullflag == GL_FRONT && frontface == GL_CCW) ||
- (cullflag == GL_BACK && frontface == GL_CW))
- {
- smesa->AGPParseSet |= MASK_PsCullDirection_CCW;
- smesa->dwPrimitiveSet |= OP_3D_CullDirection_CCW;
- }
-}
-
-
-static void
-sisDDCullFace( GLcontext *ctx, GLenum mode )
-{
- sisUpdateCull( ctx );
-}
-
-static void
-sisDDFrontFace( GLcontext *ctx, GLenum mode )
-{
- sisUpdateCull( ctx );
-}
-
-/* =============================================================
- * Masks
- */
-
-static void sisDDColorMask( GLcontext *ctx,
- GLboolean r, GLboolean g,
- GLboolean b, GLboolean a )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- if (r && g && b && ((ctx->Visual.alphaBits == 0) || a)) {
- current->hwCapEnable2 &= ~(MASK_AlphaMaskWriteEnable |
- MASK_ColorMaskWriteEnable);
- } else {
- current->hwCapEnable2 |= (MASK_AlphaMaskWriteEnable |
- MASK_ColorMaskWriteEnable);
-
- current->hwDstMask = (r) ? smesa->redMask : 0 |
- (g) ? smesa->greenMask : 0 |
- (b) ? smesa->blueMask : 0 |
- (a) ? smesa->alphaMask : 0;
- }
-
- if (current->hwDstMask != prev->hwDstMask) {
- prev->hwDstMask = current->hwDstMask;
- smesa->GlobalFlag |= GFLAG_DESTSETTING;
- }
-}
-
-/* =============================================================
- * Rendering attributes
- */
-
-static void sisDDShadeModel( GLcontext *ctx, GLenum mode )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- /* Signal to sisRasterPrimitive to recalculate dwPrimitiveSet */
- smesa->hw_primitive = -1;
-}
-
-/* =============================================================
- * Window position
- */
-
-/* =============================================================
- * Viewport
- */
-
-static void sisCalcViewport( GLcontext *ctx )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- const GLfloat *v = ctx->Viewport._WindowMap.m;
- GLfloat *m = smesa->hw_viewport;
-
- /* See also sis_translate_vertex.
- */
- m[MAT_SX] = v[MAT_SX];
- m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X;
- m[MAT_SY] = - v[MAT_SY];
- m[MAT_TY] = - v[MAT_TY] + smesa->driDrawable->h + SUBPIXEL_Y;
- m[MAT_SZ] = v[MAT_SZ] * smesa->depth_scale;
- m[MAT_TZ] = v[MAT_TZ] * smesa->depth_scale;
-}
-
-static void sisDDViewport( GLcontext *ctx,
- GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- /* update size of Mesa/software ancillary buffers */
- _mesa_ResizeBuffersMESA();
- sisCalcViewport( ctx );
-}
-
-static void sisDDDepthRange( GLcontext *ctx,
- GLclampd nearval, GLclampd farval )
-{
- sisCalcViewport( ctx );
-}
-
-/* =============================================================
- * Miscellaneous
- */
-
-static void
-sisDDLogicOpCode( GLcontext *ctx, GLenum opcode )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- current->hwDstSet &= ~MASK_ROP2;
- switch (opcode)
- {
- case GL_CLEAR:
- current->hwDstSet |= LOP_CLEAR;
- break;
- case GL_SET:
- current->hwDstSet |= LOP_SET;
- break;
- case GL_COPY:
- current->hwDstSet |= LOP_COPY;
- break;
- case GL_COPY_INVERTED:
- current->hwDstSet |= LOP_COPY_INVERTED;
- break;
- case GL_NOOP:
- current->hwDstSet |= LOP_NOOP;
- break;
- case GL_INVERT:
- current->hwDstSet |= LOP_INVERT;
- break;
- case GL_AND:
- current->hwDstSet |= LOP_AND;
- break;
- case GL_NAND:
- current->hwDstSet |= LOP_NAND;
- break;
- case GL_OR:
- current->hwDstSet |= LOP_OR;
- break;
- case GL_NOR:
- current->hwDstSet |= LOP_NOR;
- break;
- case GL_XOR:
- current->hwDstSet |= LOP_XOR;
- break;
- case GL_EQUIV:
- current->hwDstSet |= LOP_EQUIV;
- break;
- case GL_AND_REVERSE:
- current->hwDstSet |= LOP_AND_REVERSE;
- break;
- case GL_AND_INVERTED:
- current->hwDstSet |= LOP_AND_INVERTED;
- break;
- case GL_OR_REVERSE:
- current->hwDstSet |= LOP_OR_REVERSE;
- break;
- case GL_OR_INVERTED:
- current->hwDstSet |= LOP_OR_INVERTED;
- break;
- }
-
- if (current->hwDstSet ^ prev->hwDstSet) {
- prev->hwDstSet = current->hwDstSet;
- smesa->GlobalFlag |= GFLAG_DESTSETTING;
- }
-}
-
-void sisDDDrawBuffer( GLcontext *ctx, GLenum mode )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- /*
- * _DrawDestMask is easier to cope with than <mode>.
- */
- switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
- case BUFFER_BIT_FRONT_LEFT:
- case BUFFER_BIT_BACK_LEFT:
- FALLBACK( smesa, SIS_FALLBACK_DRAW_BUFFER, GL_FALSE );
- break;
- default:
- /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
- FALLBACK( smesa, SIS_FALLBACK_DRAW_BUFFER, GL_TRUE );
- return;
- }
-
- /* We want to update the s/w rast state too so that sisDDSetBuffer()
- * gets called.
- */
- _swrast_DrawBuffer(ctx, mode);
-
- current->hwOffsetDest = (smesa->drawOffset) >> 1;
- current->hwDstSet &= ~MASK_DstBufferPitch;
- current->hwDstSet |= smesa->drawPitch >> 2;
-
- if (current->hwDstSet != prev->hwDstSet) {
- prev->hwDstSet = current->hwDstSet;
- smesa->GlobalFlag |= GFLAG_DESTSETTING;
- }
-
- if (current->hwOffsetDest != prev->hwOffsetDest) {
- prev->hwOffsetDest = current->hwOffsetDest;
- smesa->GlobalFlag |= GFLAG_DESTSETTING;
- }
-}
-
-/* =============================================================
- * Polygon stipple
- */
-
-/* =============================================================
- * Render mode
- */
-
-/* =============================================================
- * State enable/disable
- */
-
-static void
-sisDDEnable( GLcontext * ctx, GLenum cap, GLboolean state )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *current = &smesa->current;
-
- switch (cap)
- {
- case GL_ALPHA_TEST:
- if (state)
- current->hwCapEnable |= MASK_AlphaTestEnable;
- else
- current->hwCapEnable &= ~MASK_AlphaTestEnable;
- break;
- case GL_BLEND:
- /* TODO: */
- if (state)
- /* if (state & !ctx->Color.ColorLogicOpEnabled) */
- current->hwCapEnable |= MASK_BlendEnable;
- else
- current->hwCapEnable &= ~MASK_BlendEnable;
- break;
- case GL_CULL_FACE:
- if (state)
- current->hwCapEnable |= MASK_CullEnable;
- else
- current->hwCapEnable &= ~MASK_CullEnable;
- break;
- case GL_DEPTH_TEST:
- if (state && smesa->depthbuffer)
- current->hwCapEnable |= MASK_ZTestEnable;
- else
- current->hwCapEnable &= ~MASK_ZTestEnable;
- sisDDDepthMask( ctx, ctx->Depth.Mask );
- break;
- case GL_DITHER:
- if (state)
- current->hwCapEnable |= MASK_DitherEnable;
- else
- current->hwCapEnable &= ~MASK_DitherEnable;
- break;
- case GL_FOG:
- if (state)
- current->hwCapEnable |= MASK_FogEnable;
- else
- current->hwCapEnable &= ~MASK_FogEnable;
- break;
- case GL_COLOR_LOGIC_OP:
- if (state)
- sisDDLogicOpCode( ctx, ctx->Color.LogicOp );
- else
- sisDDLogicOpCode( ctx, GL_COPY );
- break;
- case GL_SCISSOR_TEST:
- sisUpdateClipping( ctx );
- break;
- case GL_STENCIL_TEST:
- if (state) {
- if (smesa->zFormat != SiS_ZFORMAT_S8Z24)
- FALLBACK(smesa, SIS_FALLBACK_STENCIL, 1);
- else
- current->hwCapEnable |= (MASK_StencilTestEnable |
- MASK_StencilWriteEnable);
- } else {
- FALLBACK(smesa, SIS_FALLBACK_STENCIL, 0);
- current->hwCapEnable &= ~(MASK_StencilTestEnable |
- MASK_StencilWriteEnable);
- }
- break;
- }
-}
-
-
-/* =============================================================
- * State initialization, management
- */
-
-/* Called before beginning of rendering. */
-void
-sisUpdateHWState( GLcontext *ctx )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- /* enable setting 1 */
- if (current->hwCapEnable ^ prev->hwCapEnable) {
- prev->hwCapEnable = current->hwCapEnable;
- smesa->GlobalFlag |= GFLAG_ENABLESETTING;
- }
-
- /* enable setting 2 */
- if (current->hwCapEnable2 ^ prev->hwCapEnable2) {
- prev->hwCapEnable2 = current->hwCapEnable2;
- smesa->GlobalFlag |= GFLAG_ENABLESETTING2;
- }
-
- if (smesa->GlobalFlag & GFLAG_RENDER_STATES)
- sis_update_render_state( smesa );
-
- if (smesa->GlobalFlag & GFLAG_TEXTURE_STATES)
- sis_update_texture_state( smesa );
-}
-
-static void
-sisDDInvalidateState( GLcontext *ctx, GLuint new_state )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
- smesa->NewGLState |= new_state;
-}
-
-/* Initialize the context's hardware state.
- */
-void sisDDInitState( sisContextPtr smesa )
-{
- __GLSiSHardware *current = &smesa->current;
- __GLSiSHardware *prev = &(smesa->prev);
- GLcontext *ctx = smesa->glCtx;
-
- /* add Texture Perspective Enable */
- prev->hwCapEnable = MASK_FogPerspectiveEnable | MASK_TextureCacheEnable |
- MASK_TexturePerspectiveEnable | MASK_DitherEnable;
- /*| MASK_SpecularEnable*/
-
- /*
- prev->hwCapEnable2 = 0x00aa0080;
- */
- /* if multi-texture enabled, disable Z pre-test */
- prev->hwCapEnable2 = MASK_TextureMipmapBiasEnable;
-
- /* Z test mode is LESS */
- prev->hwZ = SiS_Z_COMP_S_LT_B;
-
- /* Depth mask */
- prev->hwZMask = 0xffffffff;
-
- /* Alpha test mode is ALWAYS, alpha ref value is 0 */
- prev->hwAlpha = SiS_ALPHA_ALWAYS;
-
- /* ROP2 is COPYPEN */
- prev->hwDstSet = LOP_COPY;
-
- /* color mask */
- prev->hwDstMask = 0xffffffff;
-
- /* LinePattern is 0, Repeat Factor is 0 */
- prev->hwLinePattern = 0x00008000;
-
- /* Src blend is BLEND_ONE, Dst blend is D3DBLEND_ZERO */
- prev->hwDstSrcBlend = SiS_S_ONE | SiS_D_ZERO;
-
- /* Stenciling disabled, function ALWAYS, ref value zero, mask all ones */
- prev->hwStSetting = STENCIL_FORMAT_8 | SiS_STENCIL_ALWAYS | 0xff;
- /* Op is KEEP for all three operations */
- prev->hwStSetting2 = SiS_SFAIL_KEEP | SiS_SPASS_ZFAIL_KEEP |
- SiS_SPASS_ZPASS_KEEP;
-
- /* Texture mapping mode is Tile */
-#if 0
- prev->texture[0].hwTextureSet = 0x00030000;
-#endif
- /* Magnified & minified texture filter is NEAREST */
-#if 0
- prev->texture[0].hwTextureMip = 0;
-#endif
-
- /* Texture Blending setting -- use fragment color/alpha*/
- prev->hwTexBlendColor0 = STAGE0_C_CF;
- prev->hwTexBlendColor1 = STAGE1_C_CF;
- prev->hwTexBlendAlpha0 = STAGE0_A_AF;
- prev->hwTexBlendAlpha1 = STAGE1_A_AF;
-
- switch (smesa->bytesPerPixel)
- {
- case 2:
- prev->hwDstSet |= DST_FORMAT_RGB_565;
- break;
- case 4:
- prev->hwDstSet |= DST_FORMAT_ARGB_8888;
- break;
- }
-
- switch (ctx->Visual.depthBits)
- {
- case 0:
- prev->hwCapEnable &= ~MASK_ZWriteEnable;
- case 16:
- smesa->zFormat = SiS_ZFORMAT_Z16;
- prev->hwCapEnable |= MASK_ZWriteEnable;
- smesa->depth_scale = 1.0 / (GLfloat)0xffff;
- break;
- case 32:
- smesa->zFormat = SiS_ZFORMAT_Z32;
- prev->hwCapEnable |= MASK_ZWriteEnable;
- smesa->depth_scale = 1.0 / (GLfloat)0xffffffff;
- break;
- case 24:
- assert (ctx->Visual.stencilBits);
- smesa->zFormat = SiS_ZFORMAT_S8Z24;
- prev->hwCapEnable |= MASK_StencilBufferEnable;
- prev->hwCapEnable |= MASK_ZWriteEnable;
- smesa->depth_scale = 1.0 / (GLfloat)0xffffff;
- break;
- }
-
- prev->hwZ |= smesa->zFormat;
-
- /* TODO: need to clear cache? */
- smesa->clearTexCache = GL_TRUE;
-
- smesa->clearColorPattern = 0;
-
- smesa->AGPParseSet = MASK_PsTexture1FromB | MASK_PsBumpTextureFromC;
- smesa->dwPrimitiveSet = OP_3D_Texture1FromB | OP_3D_TextureBumpFromC;
-
- sisUpdateZStencilPattern( smesa, 1.0, 0 );
- sisUpdateCull( ctx );
-
- memcpy( current, prev, sizeof (__GLSiSHardware) );
-
- /* Set initial fog settings. Start and end are the same case. */
- sisDDFogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
- sisDDFogfv( ctx, GL_FOG_END, &ctx->Fog.End );
- sisDDFogfv( ctx, GL_FOG_MODE, NULL );
-}
-
-/* Initialize the driver's state functions.
- */
-void sisDDInitStateFuncs( GLcontext *ctx )
-{
- ctx->Driver.UpdateState = sisDDInvalidateState;
-
- ctx->Driver.Clear = sisDDClear;
- ctx->Driver.ClearColor = sisDDClearColor;
- ctx->Driver.ClearDepth = sisDDClearDepth;
- ctx->Driver.ClearStencil = sisDDClearStencil;
-
- ctx->Driver.AlphaFunc = sisDDAlphaFunc;
- ctx->Driver.BlendFuncSeparate = sisDDBlendFuncSeparate;
- ctx->Driver.ColorMask = sisDDColorMask;
- ctx->Driver.CullFace = sisDDCullFace;
- ctx->Driver.DepthMask = sisDDDepthMask;
- ctx->Driver.DepthFunc = sisDDDepthFunc;
- ctx->Driver.DepthRange = sisDDDepthRange;
- ctx->Driver.DrawBuffer = sisDDDrawBuffer;
- ctx->Driver.Enable = sisDDEnable;
- ctx->Driver.FrontFace = sisDDFrontFace;
- ctx->Driver.Fogfv = sisDDFogfv;
- ctx->Driver.Hint = NULL;
- ctx->Driver.Lightfv = NULL;
- ctx->Driver.LogicOpcode = sisDDLogicOpCode;
- ctx->Driver.PolygonMode = NULL;
- ctx->Driver.PolygonStipple = NULL;
- ctx->Driver.ReadBuffer = NULL;
- ctx->Driver.RenderMode = NULL;
- ctx->Driver.Scissor = sisDDScissor;
- ctx->Driver.ShadeModel = sisDDShadeModel;
- ctx->Driver.Viewport = sisDDViewport;
-
- /* 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;
-
- /* 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 17:03:15 +0000