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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis6326_state.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis6326_state.c753
1 files changed, 753 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/sis/sis6326_state.c b/src/mesa/drivers/dri/sis/sis6326_state.c
new file mode 100644
index 00000000000..be229d019f5
--- /dev/null
+++ b/src/mesa/drivers/dri/sis/sis6326_state.c
@@ -0,0 +1,753 @@
+/*
+ * Copyright 2005 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
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ * Eric Anholt <[email protected]>
+ *
+ */
+
+#include "sis_context.h"
+#include "sis_state.h"
+#include "sis_tris.h"
+#include "sis_lock.h"
+#include "sis_tex.h"
+#include "sis_reg.h"
+
+#include "context.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
+sis6326DDAlphaFunc( 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 |= S_ASET_PASS_NEVER;
+ break;
+ case GL_LESS:
+ current->hwAlpha |= S_ASET_PASS_LESS;
+ break;
+ case GL_EQUAL:
+ current->hwAlpha |= S_ASET_PASS_EQUAL;
+ break;
+ case GL_LEQUAL:
+ current->hwAlpha |= S_ASET_PASS_LEQUAL;
+ break;
+ case GL_GREATER:
+ current->hwAlpha |= S_ASET_PASS_GREATER;
+ break;
+ case GL_NOTEQUAL:
+ current->hwAlpha |= S_ASET_PASS_NOTEQUAL;
+ break;
+ case GL_GEQUAL:
+ current->hwAlpha |= S_ASET_PASS_GEQUAL;
+ break;
+ case GL_ALWAYS:
+ current->hwAlpha |= S_ASET_PASS_ALWAYS;
+ break;
+ }
+
+ prev->hwAlpha = current->hwAlpha;
+ smesa->GlobalFlag |= GFLAG_ALPHASETTING;
+}
+
+static void
+sis6326DDBlendFuncSeparate( 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 |= S_DBLEND_ZERO;
+ break;
+ case GL_ONE:
+ current->hwDstSrcBlend |= S_DBLEND_ONE;
+ break;
+ case GL_SRC_COLOR:
+ current->hwDstSrcBlend |= S_DBLEND_SRC_COLOR;
+ break;
+ case GL_ONE_MINUS_SRC_COLOR:
+ current->hwDstSrcBlend |= S_DBLEND_INV_SRC_COLOR;
+ break;
+ case GL_SRC_ALPHA:
+ current->hwDstSrcBlend |= S_DBLEND_SRC_ALPHA;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ current->hwDstSrcBlend |= S_DBLEND_INV_SRC_ALPHA;
+ break;
+ case GL_DST_ALPHA:
+ current->hwDstSrcBlend |= S_DBLEND_DST_ALPHA;
+ break;
+ case GL_ONE_MINUS_DST_ALPHA:
+ current->hwDstSrcBlend |= S_DBLEND_INV_DST_ALPHA;
+ break;
+ }
+
+ switch (sfactorRGB)
+ {
+ case GL_ZERO:
+ current->hwDstSrcBlend |= S_SBLEND_ZERO;
+ break;
+ case GL_ONE:
+ current->hwDstSrcBlend |= S_SBLEND_ONE;
+ break;
+ case GL_SRC_ALPHA:
+ current->hwDstSrcBlend |= S_SBLEND_SRC_ALPHA;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ current->hwDstSrcBlend |= S_SBLEND_INV_SRC_ALPHA;
+ break;
+ case GL_DST_ALPHA:
+ current->hwDstSrcBlend |= S_SBLEND_DST_ALPHA;
+ break;
+ case GL_ONE_MINUS_DST_ALPHA:
+ current->hwDstSrcBlend |= S_SBLEND_INV_DST_ALPHA;
+ break;
+ case GL_DST_COLOR:
+ current->hwDstSrcBlend |= S_SBLEND_DST_COLOR;
+ break;
+ case GL_ONE_MINUS_DST_COLOR:
+ current->hwDstSrcBlend |= S_SBLEND_INV_DST_COLOR;
+ break;
+ case GL_SRC_ALPHA_SATURATE:
+ current->hwDstSrcBlend |= S_SBLEND_SRC_ALPHA_SAT;
+ break;
+ }
+
+ if (current->hwDstSrcBlend != prev->hwDstSrcBlend) {
+ prev->hwDstSrcBlend = current->hwDstSrcBlend;
+ smesa->GlobalFlag |= GFLAG_DSTBLEND;
+ }
+}
+
+/* =============================================================
+ * Depth testing
+ */
+
+static void
+sis6326DDDepthFunc( GLcontext *ctx, GLenum func )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+ __GLSiSHardware *prev = &smesa->prev;
+ __GLSiSHardware *current = &smesa->current;
+
+ current->hwZ &= ~MASK_6326_ZTestMode;
+ switch (func)
+ {
+ case GL_LESS:
+ current->hwZ |= S_ZSET_PASS_LESS;
+ break;
+ case GL_GEQUAL:
+ current->hwZ |= S_ZSET_PASS_GEQUAL;
+ break;
+ case GL_LEQUAL:
+ current->hwZ |= S_ZSET_PASS_LEQUAL;
+ break;
+ case GL_GREATER:
+ current->hwZ |= S_ZSET_PASS_GREATER;
+ break;
+ case GL_NOTEQUAL:
+ current->hwZ |= S_ZSET_PASS_NOTEQUAL;
+ break;
+ case GL_EQUAL:
+ current->hwZ |= S_ZSET_PASS_EQUAL;
+ break;
+ case GL_ALWAYS:
+ current->hwZ |= S_ZSET_PASS_ALWAYS;
+ break;
+ case GL_NEVER:
+ current->hwZ |= S_ZSET_PASS_NEVER;
+ break;
+ }
+
+ if (current->hwZ != prev->hwZ) {
+ prev->hwZ = current->hwZ;
+ smesa->GlobalFlag |= GFLAG_ZSETTING;
+ }
+}
+
+static void
+sis6326DDDepthMask( GLcontext *ctx, GLboolean flag )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+ __GLSiSHardware *current = &smesa->current;
+
+ if (ctx->Depth.Test)
+ current->hwCapEnable |= S_ENABLE_ZWrite;
+ else
+ current->hwCapEnable &= ~S_ENABLE_ZWrite;
+}
+
+/* =============================================================
+ * Fog
+ */
+
+static void
+sis6326DDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *params )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+ __GLSiSHardware *current = &smesa->current;
+ __GLSiSHardware *prev = &smesa->prev;
+
+ GLint fogColor;
+
+ switch(pname)
+ {
+ case GL_FOG_COLOR:
+ fogColor = FLOAT_TO_UBYTE( ctx->Fog.Color[0] ) << 16;
+ fogColor |= FLOAT_TO_UBYTE( ctx->Fog.Color[1] ) << 8;
+ fogColor |= FLOAT_TO_UBYTE( ctx->Fog.Color[2] );
+ current->hwFog = 0x01000000 | fogColor;
+ if (current->hwFog != prev->hwFog) {
+ prev->hwFog = current->hwFog;
+ smesa->GlobalFlag |= GFLAG_FOGSETTING;
+ }
+ break;
+ }
+}
+
+/* =============================================================
+ * Clipping
+ */
+
+void
+sis6326UpdateClipping(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;*/ /* XXX */
+ current->clipTopBottom = (0 << 13) | smesa->height;
+ current->clipLeftRight = (0 << 13) | smesa->width;
+
+ if ((current->clipTopBottom != prev->clipTopBottom) ||
+ (current->clipLeftRight != prev->clipLeftRight)) {
+ prev->clipTopBottom = current->clipTopBottom;
+ prev->clipLeftRight = current->clipLeftRight;
+ smesa->GlobalFlag |= GFLAG_CLIPPING;
+ }
+}
+
+static void
+sis6326DDScissor( GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h )
+{
+ if (ctx->Scissor.Enabled)
+ sis6326UpdateClipping( ctx );
+}
+
+/* =============================================================
+ * Culling
+ */
+
+static void
+sis6326UpdateCull( GLcontext *ctx )
+{
+ /* XXX culling */
+}
+
+
+static void
+sis6326DDCullFace( GLcontext *ctx, GLenum mode )
+{
+ sis6326UpdateCull( ctx );
+}
+
+static void
+sis6326DDFrontFace( GLcontext *ctx, GLenum mode )
+{
+ sis6326UpdateCull( ctx );
+}
+
+/* =============================================================
+ * Masks
+ */
+
+static void sis6326DDColorMask( GLcontext *ctx,
+ GLboolean r, GLboolean g,
+ GLboolean b, GLboolean a )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+
+ if (r && g && b && ((ctx->Visual.alphaBits == 0) || a)) {
+ FALLBACK(smesa, SIS_FALLBACK_WRITEMASK, 0);
+ } else {
+ FALLBACK(smesa, SIS_FALLBACK_WRITEMASK, 1);
+ }
+}
+
+/* =============================================================
+ * Rendering attributes
+ */
+
+static void sis6326UpdateSpecular(GLcontext *ctx)
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+ __GLSiSHardware *current = &smesa->current;
+
+ if (NEED_SECONDARY_COLOR(ctx))
+ current->hwCapEnable |= S_ENABLE_Specular;
+ else
+ current->hwCapEnable &= ~S_ENABLE_Specular;
+}
+
+static void sis6326DDLightModelfv(GLcontext *ctx, GLenum pname,
+ const GLfloat *param)
+{
+ if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
+ sis6326UpdateSpecular(ctx);
+ }
+}
+static void sis6326DDShadeModel( GLcontext *ctx, GLenum mode )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+
+ /* Signal to sisRasterPrimitive to recalculate dwPrimitiveSet */
+ smesa->hw_primitive = -1;
+}
+
+/* =============================================================
+ * Window position
+ */
+
+/* =============================================================
+ * Viewport
+ */
+
+static void sis6326CalcViewport( 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 sis6326DDViewport( GLcontext *ctx,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height )
+{
+ sis6326CalcViewport( ctx );
+}
+
+static void sis6326DDDepthRange( GLcontext *ctx,
+ GLclampd nearval, GLclampd farval )
+{
+ sis6326CalcViewport( ctx );
+}
+
+/* =============================================================
+ * Miscellaneous
+ */
+
+static void
+sis6326DDLogicOpCode( GLcontext *ctx, GLenum opcode )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+
+ __GLSiSHardware *prev = &smesa->prev;
+ __GLSiSHardware *current = &smesa->current;
+
+ if (!ctx->Color.ColorLogicOpEnabled)
+ return;
+
+ 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 sis6326DDDrawBuffer( GLcontext *ctx, GLenum mode )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+
+ __GLSiSHardware *prev = &smesa->prev;
+ __GLSiSHardware *current = &smesa->current;
+
+ if(getenv("SIS_DRAW_FRONT"))
+ ctx->DrawBuffer->_ColorDrawBufferMask[0] = GL_FRONT_LEFT;
+
+ /*
+ * _DrawDestMask is easier to cope with than <mode>.
+ */
+ current->hwDstSet &= ~MASK_DstBufferPitch;
+ switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
+ case BUFFER_BIT_FRONT_LEFT:
+ current->hwOffsetDest = smesa->front.offset;
+ current->hwDstSet |= smesa->front.pitch;
+ FALLBACK( smesa, SIS_FALLBACK_DRAW_BUFFER, GL_FALSE );
+ break;
+ case BUFFER_BIT_BACK_LEFT:
+ current->hwOffsetDest = smesa->back.offset;
+ current->hwDstSet |= smesa->back.pitch;
+ 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;
+ }
+
+ 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
+sis6326DDEnable( 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 |= S_ENABLE_AlphaTest;
+ else
+ current->hwCapEnable &= ~S_ENABLE_AlphaTest;
+ break;
+ case GL_BLEND:
+ /* TODO: */
+ if (state)
+ /* if (state & !ctx->Color.ColorLogicOpEnabled) */
+ current->hwCapEnable |= S_ENABLE_Blend;
+ else
+ current->hwCapEnable &= ~S_ENABLE_Blend;
+ break;
+ case GL_CULL_FACE:
+ /* XXX culling */
+ break;
+ case GL_DEPTH_TEST:
+ if (state && smesa->depth.offset != 0)
+ current->hwCapEnable |= S_ENABLE_ZTest;
+ else
+ current->hwCapEnable &= ~S_ENABLE_ZTest;
+ sis6326DDDepthMask( ctx, ctx->Depth.Mask );
+ break;
+ case GL_DITHER:
+ if (state)
+ current->hwCapEnable |= S_ENABLE_Dither;
+ else
+ current->hwCapEnable &= ~S_ENABLE_Dither;
+ break;
+ case GL_FOG:
+ if (state)
+ current->hwCapEnable |= S_ENABLE_Fog;
+ else
+ current->hwCapEnable &= ~S_ENABLE_Fog;
+ break;
+ case GL_COLOR_LOGIC_OP:
+ if (state)
+ sis6326DDLogicOpCode( ctx, ctx->Color.LogicOp );
+ else
+ sis6326DDLogicOpCode( ctx, GL_COPY );
+ break;
+ case GL_SCISSOR_TEST:
+ sis6326UpdateClipping( ctx );
+ break;
+ case GL_STENCIL_TEST:
+ if (state) {
+ FALLBACK(smesa, SIS_FALLBACK_STENCIL, 1);
+ } else {
+ FALLBACK(smesa, SIS_FALLBACK_STENCIL, 0);
+ }
+ break;
+ case GL_LIGHTING:
+ case GL_COLOR_SUM_EXT:
+ sis6326UpdateSpecular(ctx);
+ break;
+ }
+}
+
+/* =============================================================
+ * State initialization, management
+ */
+
+/* Called before beginning of rendering. */
+void
+sis6326UpdateHWState( GLcontext *ctx )
+{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+ __GLSiSHardware *prev = &smesa->prev;
+ __GLSiSHardware *current = &smesa->current;
+
+ if (smesa->NewGLState & _NEW_TEXTURE)
+ sisUpdateTextureState( ctx );
+
+ if (current->hwCapEnable ^ prev->hwCapEnable) {
+ prev->hwCapEnable = current->hwCapEnable;
+ smesa->GlobalFlag |= GFLAG_ENABLESETTING;
+ }
+
+ if (smesa->GlobalFlag & GFLAG_RENDER_STATES)
+ sis_update_render_state( smesa );
+
+ if (smesa->GlobalFlag & GFLAG_TEXTURE_STATES)
+ sis_update_texture_state( smesa );
+}
+
+static void
+sis6326DDInvalidateState( 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 sis6326DDInitState( sisContextPtr smesa )
+{
+ __GLSiSHardware *prev = &smesa->prev;
+ __GLSiSHardware *current = &smesa->current;
+ GLcontext *ctx = smesa->glCtx;
+
+ /* add Texture Perspective Enable */
+ current->hwCapEnable = S_ENABLE_TextureCache |
+ S_ENABLE_TexturePerspective | S_ENABLE_Dither;
+
+ /* Z test mode is LESS */
+ current->hwZ = S_ZSET_PASS_LESS | S_ZSET_FORMAT_16;
+ if (ctx->Visual.depthBits > 0)
+ current->hwCapEnable |= S_ENABLE_ZWrite;
+
+ /* Alpha test mode is ALWAYS, alpha ref value is 0 */
+ current->hwAlpha = S_ASET_PASS_ALWAYS;
+
+ /* ROP2 is COPYPEN */
+ current->hwDstSet = LOP_COPY;
+
+ /* LinePattern is 0, Repeat Factor is 0 */
+ current->hwLinePattern = 0x00008000;
+
+ /* Src blend is BLEND_ONE, Dst blend is D3DBLEND_ZERO */
+ current->hwDstSrcBlend = S_SBLEND_ONE | S_DBLEND_ZERO;
+
+ switch (smesa->bytesPerPixel)
+ {
+ case 2:
+ current->hwDstSet |= DST_FORMAT_RGB_565;
+ break;
+ case 4:
+ current->hwDstSet |= DST_FORMAT_ARGB_8888;
+ break;
+ }
+
+ smesa->depth_scale = 1.0 / (GLfloat)0xffff;
+
+ smesa->clearTexCache = GL_TRUE;
+
+ smesa->clearColorPattern = 0;
+
+ sis6326UpdateZPattern(smesa, 1.0);
+ sis6326UpdateCull(ctx);
+
+ /* Set initial fog settings. Start and end are the same case. */
+ sis6326DDFogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
+ sis6326DDFogfv( ctx, GL_FOG_END, &ctx->Fog.End );
+ sis6326DDFogfv( ctx, GL_FOG_MODE, NULL );
+
+ memcpy(prev, current, sizeof(__GLSiSHardware));
+}
+
+/* Initialize the driver's state functions.
+ */
+void sis6326DDInitStateFuncs( GLcontext *ctx )
+{
+ ctx->Driver.UpdateState = sis6326DDInvalidateState;
+
+ ctx->Driver.Clear = sis6326DDClear;
+ ctx->Driver.ClearColor = sis6326DDClearColor;
+ ctx->Driver.ClearDepth = sis6326DDClearDepth;
+
+ ctx->Driver.AlphaFunc = sis6326DDAlphaFunc;
+ ctx->Driver.BlendFuncSeparate = sis6326DDBlendFuncSeparate;
+ ctx->Driver.ColorMask = sis6326DDColorMask;
+ ctx->Driver.CullFace = sis6326DDCullFace;
+ ctx->Driver.DepthMask = sis6326DDDepthMask;
+ ctx->Driver.DepthFunc = sis6326DDDepthFunc;
+ ctx->Driver.DepthRange = sis6326DDDepthRange;
+ ctx->Driver.DrawBuffer = sis6326DDDrawBuffer;
+ ctx->Driver.Enable = sis6326DDEnable;
+ ctx->Driver.FrontFace = sis6326DDFrontFace;
+ ctx->Driver.Fogfv = sis6326DDFogfv;
+ ctx->Driver.Hint = NULL;
+ ctx->Driver.Lightfv = NULL;
+ ctx->Driver.LogicOpcode = sis6326DDLogicOpCode;
+ ctx->Driver.PolygonMode = NULL;
+ ctx->Driver.PolygonStipple = NULL;
+ ctx->Driver.RenderMode = NULL;
+ ctx->Driver.Scissor = sis6326DDScissor;
+ ctx->Driver.ShadeModel = sis6326DDShadeModel;
+ ctx->Driver.LightModelfv = sis6326DDLightModelfv;
+ ctx->Driver.Viewport = sis6326DDViewport;
+
+ /* 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;
+}