diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxdd.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxdd.c | 2197 |
1 files changed, 0 insertions, 2197 deletions
diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c deleted file mode 100644 index 2bc60399ea2..00000000000 --- a/src/mesa/drivers/glide/fxdd.c +++ /dev/null @@ -1,2197 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 5.1 - * - * Copyright (C) 1999-2003 Brian Paul 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 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 - * BRIAN PAUL 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: - * David Bucciarelli - * Brian Paul - * Daryll Strauss - * Keith Whitwell - * Daniel Borca - * Hiroshi Morii - */ - -/* fxdd.c - 3Dfx VooDoo Mesa device driver functions */ - - -#ifdef HAVE_CONFIG_H -#include "conf.h" -#endif - -#if defined(FX) - -#include "main/image.h" -#include "main/mtypes.h" -#include "fxdrv.h" -#include "main/buffers.h" -#include "main/enums.h" -#include "main/extensions.h" -#include "main/macros.h" -#include "main/texstore.h" -#include "main/teximage.h" -#include "swrast/swrast.h" -#include "swrast/s_context.h" -#include "swrast_setup/swrast_setup.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" -#include "vbo/vbo.h" - - - -/* lookup table for scaling 4 bit colors up to 8 bits */ -GLuint FX_rgb_scale_4[16] = { - 0, 17, 34, 51, 68, 85, 102, 119, - 136, 153, 170, 187, 204, 221, 238, 255 -}; - -/* lookup table for scaling 5 bit colors up to 8 bits */ -GLuint FX_rgb_scale_5[32] = { - 0, 8, 16, 25, 33, 41, 49, 58, - 66, 74, 82, 90, 99, 107, 115, 123, - 132, 140, 148, 156, 165, 173, 181, 189, - 197, 206, 214, 222, 230, 239, 247, 255 -}; - -/* lookup table for scaling 6 bit colors up to 8 bits */ -GLuint FX_rgb_scale_6[64] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 45, 49, 53, 57, 61, - 65, 69, 73, 77, 81, 85, 89, 93, - 97, 101, 105, 109, 113, 117, 121, 125, - 130, 134, 138, 142, 146, 150, 154, 158, - 162, 166, 170, 174, 178, 182, 186, 190, - 194, 198, 202, 206, 210, 215, 219, 223, - 227, 231, 235, 239, 243, 247, 251, 255 -}; - - -/* - * Disable color by masking out R, G, B, A - */ -static void fxDisableColor (fxMesaContext fxMesa) -{ - if (fxMesa->colDepth == 32) { - /* 32bpp mode */ - fxMesa->Glide.grColorMaskExt(FXFALSE, FXFALSE, FXFALSE, FXFALSE); - } else { - /* 15/16 bpp mode */ - grColorMask(FXFALSE, FXFALSE); - } -} - - -/**********************************************************************/ -/***** Miscellaneous functions *****/ -/**********************************************************************/ - -/* Return buffer size information */ -static void -fxDDGetBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height) -{ - GET_CURRENT_CONTEXT(ctx); - if (ctx && FX_CONTEXT(ctx)) { - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDGetBufferSize(...)\n"); - } - - *width = fxMesa->width; - *height = fxMesa->height; - } -} - - -/** - * We only implement this function as a mechanism to check if the - * framebuffer size has changed (and update corresponding state). - */ -static void -fxDDViewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h) -{ - GLuint newWidth, newHeight; - GLframebuffer *buffer = ctx->WinSysDrawBuffer; - fxDDGetBufferSize( buffer, &newWidth, &newHeight ); - if (buffer->Width != newWidth || buffer->Height != newHeight) { - _mesa_resize_framebuffer(ctx, buffer, newWidth, newHeight ); - } -} - - -/* Implements glClearColor() */ -static void -fxDDClearColor(GLcontext * ctx, const GLfloat color[4]) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GLubyte col[4]; - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDClearColor(%f, %f, %f, %f)\n", - color[0], color[1], color[2], color[3]); - } - - CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(col[3], color[3]); - - fxMesa->clearC = FXCOLOR4(col); - fxMesa->clearA = col[3]; -} - - -/* Clear the color and/or depth buffers */ -static void fxDDClear( GLcontext *ctx, GLbitfield mask ) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GLbitfield softwareMask = mask & (BUFFER_BIT_ACCUM); - const GLuint stencil_size = fxMesa->haveHwStencil ? ctx->Visual.stencilBits : 0; - const FxU32 clearD = (FxU32) (ctx->DrawBuffer->_DepthMaxF * ctx->Depth.Clear); - const FxU8 clearS = (FxU8) (ctx->Stencil.Clear & 0xff); - - if ( TDFX_DEBUG & MESA_VERBOSE ) { - fprintf( stderr, "fxDDClear\n"); - } - - /* we can't clear accum buffers nor stereo */ - mask &= ~(BUFFER_BIT_ACCUM | BUFFER_BIT_FRONT_RIGHT | BUFFER_BIT_BACK_RIGHT); - - /* Need this check to respond to certain HW updates */ - if (fxMesa->new_state & (FX_NEW_SCISSOR | FX_NEW_COLOR_MASK)) { - fxSetupScissor(ctx); - fxSetupColorMask(ctx); - fxMesa->new_state &= ~(FX_NEW_SCISSOR | FX_NEW_COLOR_MASK); - } - - /* - * As per GL spec, color masking should be obeyed when clearing - */ - if (ctx->Visual.greenBits != 8) { - /* can only do color masking if running in 24/32bpp on Napalm */ - if (ctx->Color.ColorMask[RCOMP] != ctx->Color.ColorMask[GCOMP] || - ctx->Color.ColorMask[GCOMP] != ctx->Color.ColorMask[BCOMP]) { - softwareMask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)); - mask &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT); - } - } - - if (fxMesa->haveHwStencil) { - /* - * If we want to clear stencil, it must be enabled - * in the HW, even if the stencil test is not enabled - * in the OGL state. - */ - BEGIN_BOARD_LOCK(); - if (mask & BUFFER_BIT_STENCIL) { - fxMesa->Glide.grStencilMaskExt(fxMesa->unitsState.stencilWriteMask); - /* set stencil ref value = desired clear value */ - fxMesa->Glide.grStencilFuncExt(GR_CMP_ALWAYS, clearS, 0xff); - fxMesa->Glide.grStencilOpExt(GR_STENCILOP_REPLACE, - GR_STENCILOP_REPLACE, GR_STENCILOP_REPLACE); - grEnable(GR_STENCIL_MODE_EXT); - } - else { - grDisable(GR_STENCIL_MODE_EXT); - } - END_BOARD_LOCK(); - } else if (mask & BUFFER_BIT_STENCIL) { - softwareMask |= (mask & (BUFFER_BIT_STENCIL)); - mask &= ~(BUFFER_BIT_STENCIL); - } - - /* - * This may be ugly, but it's needed in order to work around a number - * of Glide bugs. - */ - BEGIN_CLIP_LOOP(); - { - /* - * This could probably be done fancier but doing each possible case - * explicitly is less error prone. - */ - switch (mask & ~BUFFER_BIT_STENCIL) { - case BUFFER_BIT_BACK_LEFT | BUFFER_BIT_DEPTH: - /* back buffer & depth */ - grDepthMask(FXTRUE); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) { - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - } - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_DEPTH: - /* XXX it appears that the depth buffer isn't cleared when - * glRenderBuffer(GR_BUFFER_FRONTBUFFER) is set. - * This is a work-around/ - */ - /* clear depth */ - grDepthMask(FXTRUE); - fxDisableColor(fxMesa); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - fxSetupColorMask(ctx); - grDepthMask(FXFALSE); - /* clear front */ - grRenderBuffer(GR_BUFFER_FRONTBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_BACK_LEFT: - /* back buffer only */ - grDepthMask(FXFALSE); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_FRONT_LEFT: - /* front buffer only */ - grDepthMask(FXFALSE); - grRenderBuffer(GR_BUFFER_FRONTBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT: - /* front and back */ - grDepthMask(FXFALSE); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - grRenderBuffer(GR_BUFFER_FRONTBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT | BUFFER_BIT_DEPTH: - /* clear back and depth */ - grDepthMask(FXTRUE); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - /* clear front */ - grDepthMask(FXFALSE); - grRenderBuffer(GR_BUFFER_FRONTBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - break; - case BUFFER_BIT_DEPTH: - /* just the depth buffer */ - grDepthMask(FXTRUE); - fxDisableColor(fxMesa); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - if (stencil_size > 0) - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - else - grBufferClear(fxMesa->clearC, - fxMesa->clearA, - clearD); - fxSetupColorMask(ctx); - break; - default: - /* clear no color buffers or depth buffer but might clear stencil */ - if ((stencil_size > 0) && (mask & BUFFER_BIT_STENCIL)) { - /* XXX need this RenderBuffer call to work around Glide bug */ - grDepthMask(FXFALSE); - grRenderBuffer(GR_BUFFER_BACKBUFFER); - fxDisableColor(fxMesa); - fxMesa->Glide.grBufferClearExt(fxMesa->clearC, - fxMesa->clearA, - clearD, clearS); - fxSetupColorMask(ctx); - } - } - } - END_CLIP_LOOP(); - - if (fxMesa->haveHwStencil) { - /* We changed the stencil state above. Restore it! */ - fxSetupStencil(ctx); - } - fxSetupDepthTest(ctx); - grRenderBuffer(fxMesa->currentFB); - - if (softwareMask) - _swrast_Clear( ctx, softwareMask ); -} - - -/* Set the buffer used for drawing */ -/* XXX support for separate read/draw buffers hasn't been tested */ -/* XXX GL_NONE disables color, but fails to correctly maintain state */ -static void -fxDDSetDrawBuffer(GLcontext * ctx, GLenum mode) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDSetDrawBuffer(%x)\n", (int)mode); - } - - if (mode == GL_FRONT_LEFT) { - fxMesa->currentFB = GR_BUFFER_FRONTBUFFER; - grRenderBuffer(fxMesa->currentFB); - } - else if (mode == GL_BACK_LEFT) { - fxMesa->currentFB = GR_BUFFER_BACKBUFFER; - grRenderBuffer(fxMesa->currentFB); - } - else if (mode == GL_NONE) { - fxDisableColor(fxMesa); - } - else { - /* we'll need a software fallback */ - /* XXX not implemented */ - } - - /* update s/w fallback state */ - _swrast_DrawBuffer(ctx, mode); -} - - -static void -fxDDDrawBitmap2 (GLcontext *ctx, GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - GrLfbWriteMode_t mode; - FxU16 color; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - /* check if there's any raster operations enabled which we can't handle */ - if (swrast->_RasterMask & (ALPHATEST_BIT | - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - MASKING_BIT | - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) { - _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (px < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - px); - width -= (ctx->Scissor.X - px); - px = ctx->Scissor.X; - } - /* clip right */ - if (px + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (px + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (py < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - py); - height -= (ctx->Scissor.Y - py); - py = ctx->Scissor.Y; - } - /* clip top */ - if (py + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (py + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - /* compute pixel value */ - { - GLint r = (GLint) (ctx->Current.RasterColor[RCOMP] * 255.0f); - GLint g = (GLint) (ctx->Current.RasterColor[GCOMP] * 255.0f); - GLint b = (GLint) (ctx->Current.RasterColor[BCOMP] * 255.0f); - GLint a = (GLint) (ctx->Current.RasterColor[ACOMP] * 255.0f); - if (fxMesa->colDepth == 15) { - color = TDFXPACKCOLOR1555(b, g, r, a); - mode = GR_LFBWRITEMODE_1555; - } else { - color = fxMesa->bgrOrder ? TDFXPACKCOLOR565(r, g, b) : TDFXPACKCOLOR565(b, g, r); - mode = GR_LFBWRITEMODE_565; - } - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - mode, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - /* The dest stride depends on the hardware and whether we're drawing - * to the front or back buffer. This compile-time test seems to do - * the job for now. - */ - const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */ - - GLint row; - /* compute dest address of bottom-left pixel in bitmap */ - GLushort *dst = (GLushort *) info.lfbPtr - + (winY + py) * dstStride + (winX + px); - - for (row = 0; row < height; row++) { - const GLubyte *src = - (const GLubyte *) _mesa_image_address2d(finalUnpack, - bitmap, width, height, - GL_COLOR_INDEX, GL_BITMAP, - row, 0); - if (finalUnpack->LsbFirst) { - /* least significan bit first */ - GLubyte mask = 1U << (finalUnpack->SkipPixels & 0x7); - GLint col; - for (col = 0; col < width; col++) { - if (*src & mask) { - dst[col] = color; - } - if (mask == 128U) { - src++; - mask = 1U; - } - else { - mask = mask << 1; - } - } - if (mask != 1) - src++; - } - else { - /* most significan bit first */ - GLubyte mask = 128U >> (finalUnpack->SkipPixels & 0x7); - GLint col; - for (col = 0; col < width; col++) { - if (*src & mask) { - dst[col] = color; - } - if (mask == 1U) { - src++; - mask = 128U; - } - else { - mask = mask >> 1; - } - } - if (mask != 128) - src++; - } - dst += dstStride; - } - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - -static void -fxDDDrawBitmap4 (GLcontext *ctx, GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - FxU32 color; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - /* check if there's any raster operations enabled which we can't handle */ - if ((swrast->_RasterMask & (/*ALPHATEST_BIT |*/ - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - /*MASKING_BIT |*/ /* masking ok, we're in 32bpp */ - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) - ) { - _swrast_Bitmap(ctx, px, py, width, height, unpack, bitmap); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (px < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - px); - width -= (ctx->Scissor.X - px); - px = ctx->Scissor.X; - } - /* clip right */ - if (px + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (px + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (py < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - py); - height -= (ctx->Scissor.Y - py); - py = ctx->Scissor.Y; - } - /* clip top */ - if (py + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (py + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - /* compute pixel value */ - { - GLint r = (GLint) (ctx->Current.RasterColor[RCOMP] * 255.0f); - GLint g = (GLint) (ctx->Current.RasterColor[GCOMP] * 255.0f); - GLint b = (GLint) (ctx->Current.RasterColor[BCOMP] * 255.0f); - GLint a = (GLint) (ctx->Current.RasterColor[ACOMP] * 255.0f); - color = TDFXPACKCOLOR8888(b, g, r, a); - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_8888, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_Bitmap(ctx, px, py, width, height, finalUnpack, bitmap); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - /* The dest stride depends on the hardware and whether we're drawing - * to the front or back buffer. This compile-time test seems to do - * the job for now. - */ - const GLint dstStride = info.strideInBytes / 4; /* stride in GLuints */ - - GLint row; - /* compute dest address of bottom-left pixel in bitmap */ - GLuint *dst = (GLuint *) info.lfbPtr - + (winY + py) * dstStride + (winX + px); - - for (row = 0; row < height; row++) { - const GLubyte *src = - (const GLubyte *) _mesa_image_address2d(finalUnpack, - bitmap, width, height, - GL_COLOR_INDEX, GL_BITMAP, - row, 0); - if (finalUnpack->LsbFirst) { - /* least significan bit first */ - GLubyte mask = 1U << (finalUnpack->SkipPixels & 0x7); - GLint col; - for (col = 0; col < width; col++) { - if (*src & mask) { - dst[col] = color; - } - if (mask == 128U) { - src++; - mask = 1U; - } - else { - mask = mask << 1; - } - } - if (mask != 1) - src++; - } - else { - /* most significan bit first */ - GLubyte mask = 128U >> (finalUnpack->SkipPixels & 0x7); - GLint col; - for (col = 0; col < width; col++) { - if (*src & mask) { - dst[col] = color; - } - if (mask == 1U) { - src++; - mask = 128U; - } - else { - mask = mask >> 1; - } - } - if (mask != 128) - src++; - } - dst += dstStride; - } - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - - -static void -fxDDReadPixels565 (GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *packing, - GLvoid *dstImage) -{ - if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) { - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - else { - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GrLfbInfo_t info; - - BEGIN_BOARD_LOCK(); - info.size = sizeof(info); - if (grLfbLock(GR_LFB_READ_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_ANY, - GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) { - const GLint winX = 0; - const GLint winY = fxMesa->height - 1; - const GLint srcStride = info.strideInBytes / 2; /* stride in GLushorts */ - const GLushort *src = (const GLushort *) info.lfbPtr - + (winY - y) * srcStride + (winX + x); - GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage, - width, height, format, - type, 0, 0); - GLint dstStride = - _mesa_image_row_stride(packing, width, format, type); - - if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - /* convert 5R6G5B into 8R8G8B */ - GLint row, col; - const GLint halfWidth = width >> 1; - const GLint extraPixel = (width & 1); - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < halfWidth; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 5) & 0x3f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 27) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 21) & 0x3f]; - *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f]; - } - if (extraPixel) { - GLushort pixel = src[width - 1]; - *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 5) & 0x3f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - /* convert 5R6G5B into 8R8G8B8A */ - GLint row, col; - const GLint halfWidth = width >> 1; - const GLint extraPixel = (width & 1); - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < halfWidth; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 5) & 0x3f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = 255; - *d++ = FX_rgb_scale_5[(pixel >> 27) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 21) & 0x3f]; - *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f]; - *d++ = 255; - } - if (extraPixel) { - const GLushort pixel = src[width - 1]; - *d++ = FX_rgb_scale_5[(pixel >> 11) & 0x1f]; - *d++ = FX_rgb_scale_6[(pixel >> 5) & 0x3f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = 255; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { - /* directly memcpy 5R6G5B pixels into client's buffer */ - const GLint widthInBytes = width * 2; - GLint row; - for (row = 0; row < height; row++) { - MEMCPY(dst, src, widthInBytes); - dst += dstStride; - src -= srcStride; - } - } - else { - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - END_BOARD_LOCK(); - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - } - END_BOARD_LOCK(); - } -} - -static void -fxDDReadPixels555 (GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *packing, - GLvoid *dstImage) -{ - if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) { - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - else { - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GrLfbInfo_t info; - - BEGIN_BOARD_LOCK(); - info.size = sizeof(info); - if (grLfbLock(GR_LFB_READ_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_ANY, - GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) { - const GLint winX = 0; - const GLint winY = fxMesa->height - 1; - const GLint srcStride = info.strideInBytes / 2; /* stride in GLushorts */ - const GLushort *src = (const GLushort *) info.lfbPtr - + (winY - y) * srcStride + (winX + x); - GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage, - width, height, format, - type, 0, 0); - GLint dstStride = - _mesa_image_row_stride(packing, width, format, type); - - if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - /* convert 5R5G5B into 8R8G8B */ - GLint row, col; - const GLint halfWidth = width >> 1; - const GLint extraPixel = (width & 1); - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < halfWidth; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 5) & 0x1f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 26) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 21) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f]; - } - if (extraPixel) { - GLushort pixel = src[width - 1]; - *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 5) & 0x1f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - /* convert 5R6G5B into 8R8G8B8A */ - GLint row, col; - const GLint halfWidth = width >> 1; - const GLint extraPixel = (width & 1); - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < halfWidth; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 5) & 0x1f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = (pixel & 0x8000) ? 255 : 0; - *d++ = FX_rgb_scale_5[(pixel >> 26) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 21) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 16) & 0x1f]; - *d++ = (pixel & 0x80000000) ? 255 : 0; - } - if (extraPixel) { - const GLushort pixel = src[width - 1]; - *d++ = FX_rgb_scale_5[(pixel >> 10) & 0x1f]; - *d++ = FX_rgb_scale_5[(pixel >> 5) & 0x1f]; - *d++ = FX_rgb_scale_5[ pixel & 0x1f]; - *d++ = (pixel & 0x8000) ? 255 : 0; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_BGRA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { - /* directly memcpy 5R5G5B pixels into client's buffer */ - const GLint widthInBytes = width * 2; - GLint row; - for (row = 0; row < height; row++) { - MEMCPY(dst, src, widthInBytes); - dst += dstStride; - src -= srcStride; - } - } - else { - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - END_BOARD_LOCK(); - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - } - END_BOARD_LOCK(); - } -} - -static void -fxDDReadPixels8888 (GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *packing, - GLvoid *dstImage) -{ - if (ctx->_ImageTransferState/* & (IMAGE_SCALE_BIAS_BIT|IMAGE_MAP_COLOR_BIT)*/) { - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - else { - fxMesaContext fxMesa = FX_CONTEXT(ctx); - GrLfbInfo_t info; - - BEGIN_BOARD_LOCK(); - info.size = sizeof(info); - if (grLfbLock(GR_LFB_READ_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_ANY, - GR_ORIGIN_UPPER_LEFT, FXFALSE, &info)) { - const GLint winX = 0; - const GLint winY = fxMesa->height - 1; - const GLint srcStride = info.strideInBytes / 4; /* stride in GLuints */ - const GLuint *src = (const GLuint *) info.lfbPtr - + (winY - y) * srcStride + (winX + x); - GLubyte *dst = (GLubyte *) _mesa_image_address2d(packing, dstImage, - width, height, format, - type, 0, 0); - GLint dstStride = - _mesa_image_row_stride(packing, width, format, type); - - if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - /* convert 8A8R8G8B into 8R8G8B */ - GLint row, col; - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < width; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = pixel >> 16; - *d++ = pixel >> 8; - *d++ = pixel; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - /* 8A8R8G8B pixels into client's buffer */ - GLint row, col; - for (row = 0; row < height; row++) { - GLubyte *d = dst; - for (col = 0; col < width; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = pixel >> 16; - *d++ = pixel >> 8; - *d++ = pixel; - *d++ = pixel >> 24; - } - dst += dstStride; - src -= srcStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { - /* convert 8A8R8G8B into 5R6G5B */ - GLint row, col; - for (row = 0; row < height; row++) { - GLushort *d = (GLushort *)dst; - for (col = 0; col < width; col++) { - const GLuint pixel = ((const GLuint *) src)[col]; - *d++ = (((pixel >> 16) & 0xf8) << 8) | - (((pixel >> 8) & 0xfc) << 3) | - ((pixel & 0xf8) >> 3); - } - dst += dstStride; - src -= srcStride; - } - } - else { - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - END_BOARD_LOCK(); - _swrast_ReadPixels(ctx, x, y, width, height, format, type, - packing, dstImage); - return; - } - - grLfbUnlock(GR_LFB_READ_ONLY, fxMesa->currentFB); - } - END_BOARD_LOCK(); - } -} - - -static void -fxDDDrawPixels555 (GLcontext * ctx, GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - if (ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F || - (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT| - IMAGE_MAP_COLOR_BIT)) || - (swrast->_RasterMask & (ALPHATEST_BIT | - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - MASKING_BIT | - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) || - fxMesa->fallback) - { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (x < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - x); - width -= (ctx->Scissor.X - x); - x = ctx->Scissor.X; - } - /* clip right */ - if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (y < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - y); - height -= (ctx->Scissor.Y - y); - y = ctx->Scissor.Y; - } - /* clip top */ - if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_1555, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - - const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */ - GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x); - - if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], src[3]); - src += 4; - } - dst += dstStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR1555(src[2], src[1], src[0], 255); - src += 3; - } - dst += dstStride; - } - } - else { - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - - -static void -fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - if (ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F || - (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT| - IMAGE_MAP_COLOR_BIT)) || - (swrast->_RasterMask & (ALPHATEST_BIT | - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - MASKING_BIT | - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) || - fxMesa->fallback) - { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (x < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - x); - width -= (ctx->Scissor.X - x); - x = ctx->Scissor.X; - } - /* clip right */ - if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (y < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - y); - height -= (ctx->Scissor.Y - y); - y = ctx->Scissor.Y; - } - /* clip top */ - if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_565, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - - const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */ - GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x); - - if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]); - src += 4; - } - dst += dstStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR565(src[2], src[1], src[0]); - src += 3; - } - dst += dstStride; - } - } - else { - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - - -static void -fxDDDrawPixels565_rev (GLcontext * ctx, GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - if (ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F || - (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT| - IMAGE_MAP_COLOR_BIT)) || - (swrast->_RasterMask & (ALPHATEST_BIT | - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - MASKING_BIT | - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) || - fxMesa->fallback) - { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (x < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - x); - width -= (ctx->Scissor.X - x); - x = ctx->Scissor.X; - } - /* clip right */ - if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (y < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - y); - height -= (ctx->Scissor.Y - y); - y = ctx->Scissor.Y; - } - /* clip top */ - if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_565, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - - const GLint dstStride = info.strideInBytes / 2; /* stride in GLushorts */ - GLushort *dst = (GLushort *) info.lfbPtr + (winY + y) * dstStride + (winX + x); - - if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR565(src[0], src[1], src[2]); - src += 4; - } - dst += dstStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR565(src[0], src[1], src[2]); - src += 3; - } - dst += dstStride; - } - } - else { - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - - -static void -fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GrLfbInfo_t info; - const struct gl_pixelstore_attrib *finalUnpack; - struct gl_pixelstore_attrib scissoredUnpack; - - if (ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F || - (ctx->_ImageTransferState & (IMAGE_SCALE_BIAS_BIT| - IMAGE_MAP_COLOR_BIT)) || - (swrast->_RasterMask & (/*ALPHATEST_BIT |*/ - /*BLEND_BIT |*/ /* blending ok, through pixpipe */ - DEPTH_BIT | /* could be done with RGB:DEPTH */ - FOG_BIT | /* could be done with RGB:DEPTH */ - LOGIC_OP_BIT | - /*CLIP_BIT |*/ /* clipping ok, below */ - STENCIL_BIT | - /*MASKING_BIT |*/ /* masking ok, we're in 32bpp */ - MULTI_DRAW_BIT | - OCCLUSION_BIT | /* nope! at least not yet */ - TEXTURE_BIT | - FRAGPROG_BIT)) || - fxMesa->fallback) - { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - return; - } - - /* make sure the pixelpipe is configured correctly */ - fxSetupFXUnits(ctx); - - /* FIXME! _RasterMask & CLIP_BIT gets set if we're out of Viewport, also! */ - if (ctx->Scissor.Enabled) { - /* This is a bit tricky, but by carefully adjusting the px, py, - * width, height, skipPixels and skipRows values we can do - * scissoring without special code in the rendering loop. - */ - - /* we'll construct a new pixelstore struct */ - finalUnpack = &scissoredUnpack; - scissoredUnpack = *unpack; - if (scissoredUnpack.RowLength == 0) - scissoredUnpack.RowLength = width; - - /* clip left */ - if (x < ctx->Scissor.X) { - scissoredUnpack.SkipPixels += (ctx->Scissor.X - x); - width -= (ctx->Scissor.X - x); - x = ctx->Scissor.X; - } - /* clip right */ - if (x + width >= ctx->Scissor.X + ctx->Scissor.Width) { - width -= (x + width - (ctx->Scissor.X + ctx->Scissor.Width)); - } - /* clip bottom */ - if (y < ctx->Scissor.Y) { - scissoredUnpack.SkipRows += (ctx->Scissor.Y - y); - height -= (ctx->Scissor.Y - y); - y = ctx->Scissor.Y; - } - /* clip top */ - if (y + height >= ctx->Scissor.Y + ctx->Scissor.Height) { - height -= (y + height - (ctx->Scissor.Y + ctx->Scissor.Height)); - } - - if (width <= 0 || height <= 0) - return; - } - else { - finalUnpack = unpack; - } - - info.size = sizeof(info); - if (!grLfbLock(GR_LFB_WRITE_ONLY, - fxMesa->currentFB, - GR_LFBWRITEMODE_8888, - GR_ORIGIN_LOWER_LEFT, FXTRUE, &info)) { - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - { - const GLint winX = 0; - const GLint winY = 0; - - const GLint dstStride = info.strideInBytes / 4; /* stride in GLuints */ - GLuint *dst = (GLuint *) info.lfbPtr + (winY + y) * dstStride + (winX + x); - - if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { - /* directly memcpy 8A8R8G8B pixels to screen */ - const GLint widthInBytes = width * 4; - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - MEMCPY(dst, src, widthInBytes); - dst += dstStride; - } - } - else if (format == GL_RGB && type == GL_UNSIGNED_BYTE) { - GLint row; - for (row = 0; row < height; row++) { - GLubyte *src = (GLubyte *) _mesa_image_address2d(finalUnpack, - pixels, width, height, format, type, row, 0); - GLint col; - for (col = 0; col < width; col++) { - dst[col] = TDFXPACKCOLOR8888(src[2], src[1], src[0], 255); - src += 3; - } - dst += dstStride; - } - } - else { - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); - _swrast_DrawPixels(ctx, x, y, width, height, format, type, finalUnpack, pixels); - return; - } - - } - - grLfbUnlock(GR_LFB_WRITE_ONLY, fxMesa->currentFB); -} - - -static void -fxDDFinish(GLcontext * ctx) -{ - grFlush(); -} - - - - - -/* KW: Put the word Mesa in the render string because quakeworld - * checks for this rather than doing a glGet(GL_MAX_TEXTURE_SIZE). - * Why? - */ -static const GLubyte * -fxDDGetString(GLcontext * ctx, GLenum name) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - switch (name) { - case GL_RENDERER: - return (GLubyte *)fxMesa->rendererString; -#if __WIN32__ /* hack to advertise vanilla extension names */ - case GL_EXTENSIONS: - if (ctx->Extensions.String == NULL) { - GLubyte *ext = _mesa_make_extension_string(ctx); - if (ext != NULL) { - ctx->Extensions.String = _mesa_malloc(strlen((char *)ext) + 256); - if (ctx->Extensions.String != NULL) { - strcpy((char *)ctx->Extensions.String, (char *)ext); - /* put any additional extension names here */ -#if 0 - strcat((char *)ctx->Extensions.String, " 3DFX_set_global_palette"); -#endif -#if __WIN32__ - strcat((char *)ctx->Extensions.String, " WGL_3DFX_gamma_control"); - strcat((char *)ctx->Extensions.String, " WGL_EXT_swap_control"); - strcat((char *)ctx->Extensions.String, " WGL_EXT_extensions_string WGL_ARB_extensions_string"); -#endif - /* put any additional extension names here */ - _mesa_free(ext); - } else { - ctx->Extensions.String = ext; - } - } - } - return ctx->Extensions.String; -#endif - default: - return NULL; - } -} - -static const struct tnl_pipeline_stage *fx_pipeline[] = { - &_tnl_vertex_transform_stage, /* XXX todo - Add the fastpath here */ - &_tnl_normal_transform_stage, - &_tnl_lighting_stage, - &_tnl_fog_coordinate_stage, - &_tnl_texgen_stage, - &_tnl_texture_transform_stage, - &_tnl_point_attenuation_stage, -#if defined(FEATURE_NV_vertex_program) || defined(FEATURE_ARB_vertex_program) - &_tnl_vertex_program_stage, -#endif - &_tnl_render_stage, - 0, -}; - - - - -int -fxDDInitFxMesaContext(fxMesaContext fxMesa) -{ - GLcontext *ctx = fxMesa->glCtx; - - FX_setupGrVertexLayout(); - - fxMesa->color = 0xffffffff; - fxMesa->clearC = 0; - fxMesa->clearA = 0; - - fxMesa->stats.swapBuffer = 0; - fxMesa->stats.reqTexUpload = 0; - fxMesa->stats.texUpload = 0; - fxMesa->stats.memTexUpload = 0; - - fxMesa->tmuSrc = FX_TMU_NONE; - fxMesa->lastUnitsMode = FX_UM_NONE; - fxTMInit(fxMesa); - - /* FX units setup */ - - fxMesa->unitsState.alphaTestEnabled = GL_FALSE; - fxMesa->unitsState.alphaTestFunc = GL_ALWAYS; - fxMesa->unitsState.alphaTestRefValue = 0.0; - - fxMesa->unitsState.blendEnabled = GL_FALSE; - fxMesa->unitsState.blendSrcFuncRGB = GR_BLEND_ONE; - fxMesa->unitsState.blendDstFuncRGB = GR_BLEND_ZERO; - fxMesa->unitsState.blendSrcFuncAlpha = GR_BLEND_ONE; - fxMesa->unitsState.blendDstFuncAlpha = GR_BLEND_ZERO; - fxMesa->unitsState.blendEqRGB = GR_BLEND_OP_ADD; - fxMesa->unitsState.blendEqAlpha = GR_BLEND_OP_ADD; - - fxMesa->unitsState.depthTestEnabled = GL_FALSE; - fxMesa->unitsState.depthMask = GL_TRUE; - fxMesa->unitsState.depthTestFunc = GL_LESS; - fxMesa->unitsState.depthBias = 0; - - fxMesa->unitsState.stencilWriteMask = 0xff; - - if (fxMesa->colDepth == 32) { - /* 32bpp */ - fxMesa->Glide.grColorMaskExt(FXTRUE, FXTRUE, FXTRUE, fxMesa->haveHwAlpha); - } else { - /* 15/16 bpp mode */ - grColorMask(FXTRUE, fxMesa->haveHwAlpha); - } - - fxMesa->currentFB = fxMesa->haveDoubleBuffer ? GR_BUFFER_BACKBUFFER : GR_BUFFER_FRONTBUFFER; - grRenderBuffer(fxMesa->currentFB); - - fxMesa->state = MALLOC(FX_grGetInteger(GR_GLIDE_STATE_SIZE)); - fxMesa->fogTable = (GrFog_t *) MALLOC(FX_grGetInteger(GR_FOG_TABLE_ENTRIES) * - sizeof(GrFog_t)); - - if (!fxMesa->state || !fxMesa->fogTable) { - if (fxMesa->state) - FREE(fxMesa->state); - if (fxMesa->fogTable) - FREE(fxMesa->fogTable); - return 0; - } - - if (fxMesa->haveZBuffer) { - grDepthBufferMode(GR_DEPTHBUFFER_ZBUFFER); - } - - if (!fxMesa->bgrOrder) { - grLfbWriteColorFormat(GR_COLORFORMAT_ABGR); - } - - if (fxMesa->Glide.grSetNumPendingBuffers != NULL) { - fxMesa->Glide.grSetNumPendingBuffers(fxMesa->maxPendingSwapBuffers); - } - - fxMesa->textureAlign = FX_grGetInteger(GR_TEXTURE_ALIGN); - /* [koolsmoky] */ - { - char *env; - int textureLevels = 0; - int textureSize = FX_grGetInteger(GR_MAX_TEXTURE_SIZE); - do { - textureLevels++; - } while ((textureSize >>= 0x1) & 0x7ff); - ctx->Const.MaxTextureLevels = textureLevels; - ctx->Const.MaxTextureLodBias = /*textureLevels - 1*/8; /* Glide bug */ -#if FX_RESCALE_BIG_TEXURES_HACK - fxMesa->textureMaxLod = textureLevels - 1; - if ((env = getenv("MESA_FX_MAXLOD")) != NULL) { - int maxLevels = atoi(env) + 1; - if ((maxLevels <= MAX_TEXTURE_LEVELS) && (maxLevels > textureLevels)) { - ctx->Const.MaxTextureLevels = maxLevels; - } - } -#endif - } - ctx->Const.MaxTextureCoordUnits = - ctx->Const.MaxTextureImageUnits = fxMesa->haveTwoTMUs ? 2 : 1; - ctx->Const.MaxTextureUnits = MAX2(ctx->Const.MaxTextureImageUnits, ctx->Const.MaxTextureCoordUnits); - - ctx->Const.MaxDrawBuffers = 1; - - fxMesa->new_state = _NEW_ALL; - if (!fxMesa->haveHwStencil) { - /* don't touch stencil if there is none */ - fxMesa->new_state &= ~FX_NEW_STENCIL; - } - - /* Initialize the software rasterizer and helper modules. - */ - _swrast_CreateContext(ctx); - _vbo_CreateContext(ctx); - _tnl_CreateContext(ctx); - _swsetup_CreateContext(ctx); - - /* Install customized pipeline */ - _tnl_destroy_pipeline(ctx); - _tnl_install_pipeline(ctx, fx_pipeline); - - fxAllocVB(ctx); - - fxSetupDDPointers(ctx); - fxDDInitTriFuncs(ctx); - - /* Tell the software rasterizer to use pixel fog always. - */ - _swrast_allow_vertex_fog(ctx, GL_FALSE); - _swrast_allow_pixel_fog(ctx, GL_TRUE); - _tnl_allow_vertex_fog( ctx, GL_FALSE ); - _tnl_allow_pixel_fog( ctx, GL_TRUE ); - - /* Tell tnl not to calculate or use vertex fog factors. (Needed to - * tell render stage not to clip fog coords). - */ -/* _tnl_calculate_vertex_fog( ctx, GL_FALSE ); */ - - fxDDInitExtensions(ctx); - -#if 0 - /* do we want dither? It just looks bad... */ - grEnable(GR_ALLOW_MIPMAP_DITHER); -#endif - grGlideGetState((GrState *) fxMesa->state); - - return 1; -} - -/* Undo the above. - */ -void -fxDDDestroyFxMesaContext(fxMesaContext fxMesa) -{ - _swsetup_DestroyContext(fxMesa->glCtx); - _tnl_DestroyContext(fxMesa->glCtx); - _vbo_DestroyContext(fxMesa->glCtx); - _swrast_DestroyContext(fxMesa->glCtx); - - if (fxMesa->state) - FREE(fxMesa->state); - if (fxMesa->fogTable) - FREE(fxMesa->fogTable); - fxFreeVB(fxMesa->glCtx); -} - - - - -void -fxDDInitExtensions(GLcontext * ctx) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - -#if 1 /* multipass ColorSum stage */ - _mesa_enable_extension(ctx, "GL_EXT_secondary_color"); -#endif - - _mesa_enable_extension(ctx, "GL_ARB_point_sprite"); - _mesa_enable_extension(ctx, "GL_EXT_point_parameters"); - _mesa_enable_extension(ctx, "GL_EXT_paletted_texture"); - _mesa_enable_extension(ctx, "GL_EXT_texture_lod_bias"); - _mesa_enable_extension(ctx, "GL_EXT_shared_texture_palette"); - _mesa_enable_extension(ctx, "GL_EXT_blend_func_separate"); - _mesa_enable_extension(ctx, "GL_EXT_texture_env_add"); - _mesa_enable_extension(ctx, "GL_EXT_stencil_wrap"); - _mesa_enable_extension(ctx, "GL_EXT_stencil_two_side"); - - if (fxMesa->haveTwoTMUs) { - _mesa_enable_extension(ctx, "GL_ARB_multitexture"); - } - - if (fxMesa->type >= GR_SSTTYPE_Voodoo4) { - _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1"); - _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); - _mesa_enable_extension(ctx, "GL_S3_s3tc"); - _mesa_enable_extension(ctx, "GL_NV_blend_square"); - } else { - /* [dBorca] - * We should enable generic texture compression functions, - * but some poorly written apps automatically assume S3TC. - * Binding NCC to GL_COMPRESSED_RGB[A] is an unnecessary hassle, - * since it's slow and ugly (better with palette textures, then). - * Moreover, NCC is not an OpenGL standard, so we can't use - * precompressed textures. Last, but not least, NCC runs amok - * when multitexturing on a Voodoo3 and up (see POINTCAST vs UMA). - * Note: this is also a problem with palette textures, but - * faking multitex by multipass is evil... - * Implementing NCC requires three stages: - * fxDDChooseTextureFormat: - * bind GL_COMPRESSED_RGB[A] to _mesa_texformat_argb8888, - * so we can quantize properly, at a later time - * fxDDTexImage: - * if GL_COMPRESSED_RGB - * use _mesa_texformat_l8 to get 1bpt and set GR_TEXFMT_YIQ_422 - * if GL_COMPRESSED_RGBA - * use _mesa_texformat_al88 to get 2bpt and set GR_TEXFMT_AYIQ_8422 - * txMipQuantize(...); - * if (level == 0) { - * txPalToNcc((GuNccTable *)(&(ti->palette)), pxMip.pal); - * } - * fxSetupSingleTMU_NoLock/fxSetupDoubleTMU_NoLock: - * grTexDownloadTable(GR_TEXTABLE_NCC0, &(ti->palette)); - */ - _mesa_enable_extension(ctx, "GL_SGIS_generate_mipmap"); - } - - if (fxMesa->HaveCmbExt) { - _mesa_enable_extension(ctx, "GL_ARB_texture_env_combine"); - _mesa_enable_extension(ctx, "GL_EXT_texture_env_combine"); - } - - if (fxMesa->HavePixExt) { - _mesa_enable_extension(ctx, "GL_EXT_blend_subtract"); - _mesa_enable_extension(ctx, "GL_EXT_blend_equation_separate"); - } - - if (fxMesa->HaveMirExt) { - _mesa_enable_extension(ctx, "GL_ARB_texture_mirrored_repeat"); - } - - if (fxMesa->type >= GR_SSTTYPE_Voodoo2) { - _mesa_enable_extension(ctx, "GL_EXT_fog_coord"); - } - - /* core-level extensions */ - /* dangerous */ - if (getenv("MESA_FX_ALLOW_VP")) { - _mesa_enable_extension(ctx, "GL_ARB_vertex_program"); - _mesa_enable_extension(ctx, "GL_NV_vertex_program"); - _mesa_enable_extension(ctx, "GL_NV_vertex_program1_1"); - } -#if 0 - /* this requires _tnl_vertex_cull_stage in the pipeline */ - _mesa_enable_extension(ctx, "EXT_cull_vertex"); -#endif -} - - -/************************************************************************/ -/************************************************************************/ -/************************************************************************/ - -/* Check if the hardware supports the current context - * - * Performs similar work to fxDDChooseRenderState() - should be merged. - */ -GLuint -fx_check_IsInHardware(GLcontext * ctx) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (ctx->RenderMode != GL_RENDER) { - return FX_FALLBACK_RENDER_MODE; - } - - if (ctx->Stencil._Enabled && !fxMesa->haveHwStencil) { - return FX_FALLBACK_STENCIL; - } - - if ((ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_FRONT_LEFT) && - (ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_BACK_LEFT)) { - return FX_FALLBACK_DRAW_BUFFER; - } - - if (ctx->Color.BlendEnabled) { - if (ctx->Color.BlendEquationRGB != GL_FUNC_ADD) { - if (!fxMesa->HavePixExt || - ((ctx->Color.BlendEquationRGB != GL_FUNC_SUBTRACT) && - (ctx->Color.BlendEquationRGB != GL_FUNC_REVERSE_SUBTRACT))) { - return FX_FALLBACK_BLEND; - } - } - - if (ctx->Color.BlendEquationA != GL_FUNC_ADD) { - if (!fxMesa->HavePixExt || - ((ctx->Color.BlendEquationA != GL_FUNC_SUBTRACT) && - (ctx->Color.BlendEquationA != GL_FUNC_REVERSE_SUBTRACT))) { - return FX_FALLBACK_BLEND; - } - } - -#if 0 - /* [dBorca] - * We fail the spec here, unless certain blending modes: - * RGB: (GL_ONE + GL_*) or (GL_ZERO + GL_*) or ... - */ - if (NEED_SECONDARY_COLOR(ctx)) { - if ((ctx->Color.BlendEquationRGB != GL_FUNC_ADD) && - (ctx->Color.BlendSrcRGB != GL_ONE)) { - /* Can't use multipass to blend ColorSum stage */ - return FX_FALLBACK_SPECULAR; - } - } -#endif - } - - /* [dBorca] - * We could avoid this for certain `sfactor/dfactor' - * I do not think that is even worthwhile to check - * because if someone is using blending they use more - * interesting settings and also it would add more - * state tracking to a lot of the code. - */ - if (ctx->Color.ColorLogicOpEnabled && (ctx->Color.LogicOp != GL_COPY)) { - return FX_FALLBACK_LOGICOP; - } - - if ((fxMesa->colDepth != 32) && - ((ctx->Color.ColorMask[RCOMP] != ctx->Color.ColorMask[GCOMP]) || - (ctx->Color.ColorMask[GCOMP] != ctx->Color.ColorMask[BCOMP]))) { - return FX_FALLBACK_COLORMASK; - } - - /* Unsupported texture/multitexture cases */ - - /* we can only do 1D/2D textures */ - if (ctx->Texture.Unit[0]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT)) - return FX_FALLBACK_TEXTURE_MAP; - - if (fxMesa->haveTwoTMUs) { - if (ctx->Texture.Unit[1]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT)) - return FX_FALLBACK_TEXTURE_MAP; - - if (ctx->Texture.Unit[0]._ReallyEnabled) { - if (fxMesa->type < GR_SSTTYPE_Voodoo2) - if (ctx->Texture.Unit[0].EnvMode == GL_BLEND && - (ctx->Texture.Unit[1]._ReallyEnabled || - ctx->Texture.Unit[0].EnvColor[0] != 0 || - ctx->Texture.Unit[0].EnvColor[1] != 0 || - ctx->Texture.Unit[0].EnvColor[2] != 0 || - ctx->Texture.Unit[0].EnvColor[3] != 1)) { - return FX_FALLBACK_TEXTURE_ENV; - } - if (ctx->Texture.Unit[0]._Current->Image[0][0]->Border > 0) - return FX_FALLBACK_TEXTURE_BORDER; - } - - if (ctx->Texture.Unit[1]._ReallyEnabled) { - if (fxMesa->type < GR_SSTTYPE_Voodoo2) - if (ctx->Texture.Unit[1].EnvMode == GL_BLEND) - return FX_FALLBACK_TEXTURE_ENV; - if (ctx->Texture.Unit[1]._Current->Image[0][0]->Border > 0) - return FX_FALLBACK_TEXTURE_BORDER; - } - - if (TDFX_DEBUG & (VERBOSE_DRIVER | VERBOSE_TEXTURE)) - fprintf(stderr, "fx_check_IsInHardware: envmode is %s/%s\n", - _mesa_lookup_enum_by_nr(ctx->Texture.Unit[0].EnvMode), - _mesa_lookup_enum_by_nr(ctx->Texture.Unit[1].EnvMode)); - - /* KW: This was wrong (I think) and I changed it... which doesn't mean - * it is now correct... - * BP: The old condition just seemed to test if both texture units - * were enabled. That's easy! - */ - if (ctx->Texture._EnabledUnits == 0x3) { -#if 0 - /* Can't use multipass to blend a multitextured triangle - fall - * back to software. - */ - if (!fxMesa->haveTwoTMUs && ctx->Color.BlendEnabled) { - return FX_FALLBACK_TEXTURE_MULTI; - } -#endif - - if (!fxMesa->HaveCmbExt && - (ctx->Texture.Unit[0].EnvMode != ctx->Texture.Unit[1].EnvMode) && - (ctx->Texture.Unit[0].EnvMode != GL_MODULATE) && - (ctx->Texture.Unit[0].EnvMode != GL_REPLACE)) { /* q2, seems ok... */ - if (TDFX_DEBUG & VERBOSE_DRIVER) - fprintf(stderr, "fx_check_IsInHardware: unsupported multitex env mode\n"); - return FX_FALLBACK_TEXTURE_MULTI; - } - } - } - else { - /* we have just one texture unit */ - if (ctx->Texture._EnabledUnits > 0x1) { - return FX_FALLBACK_TEXTURE_MULTI; - } - - if (fxMesa->type < GR_SSTTYPE_Voodoo2) - if (ctx->Texture.Unit[0]._ReallyEnabled && - (ctx->Texture.Unit[0].EnvMode == GL_BLEND)) { - return FX_FALLBACK_TEXTURE_ENV; - } - } - - return 0; -} - - - -static void -fxDDUpdateDDPointers(GLcontext * ctx, GLuint new_state) -{ - /* TNLcontext *tnl = TNL_CONTEXT(ctx); */ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxDDUpdateDDPointers(%08x)\n", new_state); - } - - _swrast_InvalidateState(ctx, new_state); - _vbo_InvalidateState(ctx, new_state); - _tnl_InvalidateState(ctx, new_state); - _swsetup_InvalidateState(ctx, new_state); - - fxMesa->new_gl_state |= new_state; -} - - - - -void -fxSetupDDPointers(GLcontext * ctx) -{ - fxMesaContext fxMesa = FX_CONTEXT(ctx); - /* TNLcontext *tnl = TNL_CONTEXT(ctx); */ - - if (TDFX_DEBUG & VERBOSE_DRIVER) { - fprintf(stderr, "fxSetupDDPointers()\n"); - } - - ctx->Driver.UpdateState = fxDDUpdateDDPointers; - ctx->Driver.GetString = fxDDGetString; - ctx->Driver.ClearIndex = NULL; - ctx->Driver.ClearColor = fxDDClearColor; - ctx->Driver.Clear = fxDDClear; - ctx->Driver.DrawBuffer = fxDDSetDrawBuffer; - ctx->Driver.GetBufferSize = fxDDGetBufferSize; - ctx->Driver.Viewport = fxDDViewport; - switch (fxMesa->colDepth) { - case 15: - ctx->Driver.DrawPixels = fxDDDrawPixels555; - ctx->Driver.ReadPixels = fxDDReadPixels555; - ctx->Driver.Bitmap = fxDDDrawBitmap2; - break; - case 16: - ctx->Driver.DrawPixels = !fxMesa->bgrOrder ? fxDDDrawPixels565 : fxDDDrawPixels565_rev; - ctx->Driver.ReadPixels = fxDDReadPixels565; - ctx->Driver.Bitmap = fxDDDrawBitmap2; - break; - case 32: - ctx->Driver.DrawPixels = fxDDDrawPixels8888; - ctx->Driver.ReadPixels = fxDDReadPixels8888; - ctx->Driver.Bitmap = fxDDDrawBitmap4; - break; - } - ctx->Driver.Finish = fxDDFinish; - ctx->Driver.Flush = NULL; - ctx->Driver.ChooseTextureFormat = fxDDChooseTextureFormat; - ctx->Driver.TexImage1D = fxDDTexImage1D; - ctx->Driver.TexImage2D = fxDDTexImage2D; - ctx->Driver.TexSubImage1D = fxDDTexSubImage1D; - ctx->Driver.TexSubImage2D = fxDDTexSubImage2D; - ctx->Driver.CompressedTexImage2D = fxDDCompressedTexImage2D; - ctx->Driver.CompressedTexSubImage2D = fxDDCompressedTexSubImage2D; - ctx->Driver.TestProxyTexImage = fxDDTestProxyTexImage; - ctx->Driver.TexEnv = fxDDTexEnv; - ctx->Driver.TexParameter = fxDDTexParam; - ctx->Driver.BindTexture = fxDDTexBind; - ctx->Driver.DeleteTexture = fxDDTexDel; - ctx->Driver.IsTextureResident = fxDDIsTextureResident; - ctx->Driver.UpdateTexturePalette = fxDDTexPalette; - ctx->Driver.AlphaFunc = fxDDAlphaFunc; - ctx->Driver.BlendFuncSeparate = fxDDBlendFuncSeparate; - ctx->Driver.BlendEquationSeparate = fxDDBlendEquationSeparate; - ctx->Driver.DepthFunc = fxDDDepthFunc; - ctx->Driver.DepthMask = fxDDDepthMask; - ctx->Driver.ColorMask = fxDDColorMask; - ctx->Driver.Fogfv = fxDDFogfv; - ctx->Driver.Scissor = fxDDScissor; - ctx->Driver.FrontFace = fxDDFrontFace; - ctx->Driver.CullFace = fxDDCullFace; - ctx->Driver.ShadeModel = fxDDShadeModel; - ctx->Driver.Enable = fxDDEnable; - if (fxMesa->haveHwStencil) { - ctx->Driver.StencilFuncSeparate = fxDDStencilFuncSeparate; - ctx->Driver.StencilMaskSeparate = fxDDStencilMaskSeparate; - ctx->Driver.StencilOpSeparate = fxDDStencilOpSeparate; - } - - fxSetupDDSpanPointers(ctx); - fxDDUpdateDDPointers(ctx, ~0); -} - - -#else - - -/* - * Need this to provide at least one external definition. - */ - -extern int gl_fx_dummy_function_dd(void); -int -gl_fx_dummy_function_dd(void) -{ - return 0; -} - -#endif /* FX */ |