diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_clear.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_clear.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_clear.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_clear.c deleted file mode 100644 index 7b68aadc7..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/sis/sis_clear.c +++ /dev/null @@ -1,451 +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_clear.c,v 1.5 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_lock.h" - -#include "swrast/swrast.h" -#include "macros.h" - -static GLbitfield sis_3D_Clear( GLcontext * ctx, GLbitfield mask, - GLint x, GLint y, GLint width, - GLint height ); -static void sis_clear_color_buffer( GLcontext *ctx, GLenum mask, GLint x, - GLint y, GLint width, GLint height ); -static void sis_clear_z_stencil_buffer( GLcontext * ctx, - GLbitfield mask, GLint x, - GLint y, GLint width, - GLint height ); - -static void -set_color_pattern( sisContextPtr smesa, GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) -{ - /* XXX only RGB565 and ARGB8888 */ - switch (smesa->colorFormat) - { - case DST_FORMAT_ARGB_8888: - smesa->clearColorPattern = (alpha << 24) + - (red << 16) + (green << 8) + (blue); - break; - case DST_FORMAT_RGB_565: - smesa->clearColorPattern = ((red >> 3) << 11) + - ((green >> 2) << 5) + (blue >> 3); - smesa->clearColorPattern |= smesa->clearColorPattern << 16; - break; - default: - sis_fatal_error("Bad dst color format\n"); - } -} - -void -sisUpdateZStencilPattern( sisContextPtr smesa, GLclampd z, GLint stencil ) -{ - GLuint zPattern; - - switch (smesa->zFormat) - { - case SiS_ZFORMAT_Z16: - CLAMPED_FLOAT_TO_USHORT(zPattern, z); - zPattern |= zPattern << 16; - break; - case SiS_ZFORMAT_S8Z24: - zPattern = FLOAT_TO_UINT(z) >> 8; - zPattern |= stencil << 24; - break; - case SiS_ZFORMAT_Z32: - zPattern = FLOAT_TO_UINT(z); - break; - default: - sis_fatal_error("Bad Z format\n"); - } - smesa->clearZStencilPattern = zPattern; -} - -void -sisDDClear( GLcontext * ctx, GLbitfield mask, GLboolean all, - GLint x, GLint y, GLint width, GLint height ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - GLint x1, y1, width1, height1; - - if (all) { - GLframebuffer *buffer = ctx->DrawBuffer; - - x1 = 0; - y1 = 0; - width1 = buffer->Width; - height1 = buffer->Height; - } else { - x1 = x; - y1 = Y_FLIP(y+height-1); - width1 = width; - height1 = height; - } - /* XXX: Scissoring */ - - /* Mask out any non-existent buffers */ - if (ctx->Visual.depthBits == 0 || !ctx->Depth.Mask) - mask &= ~BUFFER_BIT_DEPTH; - if (ctx->Visual.stencilBits == 0) - mask &= ~BUFFER_BIT_STENCIL; - - LOCK_HARDWARE(); - - /* The 3d clear code is use for masked clears because apparently the SiS - * 300-series can't do write masks for 2d blits. 3d isn't used in general - * because it's slower, even in the case of clearing multiple buffers. - */ - /* XXX: Appears to be broken with stencil. */ - if ((smesa->current.hwCapEnable2 & (MASK_AlphaMaskWriteEnable | - MASK_ColorMaskWriteEnable) && - (mask & (BUFFER_BIT_BACK_LEFT | BUFFER_BIT_FRONT_LEFT)) != 0) || - (ctx->Stencil.WriteMask[0] < 0xff && (mask & BUFFER_BIT_STENCIL) != 0) ) - { - mask = sis_3D_Clear( ctx, mask, x1, y1, width1, height1 ); - } - - if ( mask & BUFFER_BIT_FRONT_LEFT || mask & BUFFER_BIT_BACK_LEFT) { - sis_clear_color_buffer( ctx, mask, x1, y1, width1, height1 ); - mask &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT); - } - - if (mask & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) { - if (smesa->depthbuffer != NULL) - sis_clear_z_stencil_buffer( ctx, mask, x1, y1, width1, height1 ); - mask &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL); - } - - UNLOCK_HARDWARE(); - - if (mask != 0) - _swrast_Clear( ctx, mask, all, x1, y1, width, height ); -} - - -void -sisDDClearColor( GLcontext * ctx, const GLfloat color[4] ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - GLubyte c[4]; - - CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); - - set_color_pattern( smesa, c[0], c[1], c[2], c[3] ); -} - -void -sisDDClearDepth( GLcontext * ctx, GLclampd d ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - sisUpdateZStencilPattern( smesa, d, ctx->Stencil.Clear ); -} - -void -sisDDClearStencil( GLcontext * ctx, GLint s ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - sisUpdateZStencilPattern( smesa, ctx->Depth.Clear, s ); -} - -static GLbitfield -sis_3D_Clear( GLcontext * ctx, GLbitfield mask, - GLint x, GLint y, GLint width, GLint height ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - __GLSiSHardware *current = &smesa->current; - - float left, top, right, bottom, zClearVal; - GLboolean bClrColor, bClrDepth, bClrStencil; - GLint dwPrimitiveSet; - GLint dwEnable1 = 0, dwEnable2 = MASK_ColorMaskWriteEnable; - GLint dwDepthMask = 0, dwSten1 = 0, dwSten2 = 0; - GLint dirtyflags = GFLAG_ENABLESETTING | GFLAG_ENABLESETTING2 | - GFLAG_CLIPPING | GFLAG_DESTSETTING; - int count; - drm_clip_rect_t *pExtents; - - bClrColor = (mask & (BUFFER_BIT_BACK_LEFT | BUFFER_BIT_FRONT_LEFT)) != 0; - bClrDepth = (mask & BUFFER_BIT_DEPTH) != 0; - bClrStencil = (mask & BUFFER_BIT_STENCIL) != 0; - - if (smesa->GlobalFlag & GFLAG_RENDER_STATES) - sis_update_render_state( smesa ); - - if (bClrStencil) { - dwSten1 = STENCIL_FORMAT_8 | SiS_STENCIL_ALWAYS | - (ctx->Stencil.Clear << 8) | 0xff; - dwSten2 = SiS_SFAIL_REPLACE | SiS_SPASS_ZFAIL_REPLACE | - SiS_SPASS_ZPASS_REPLACE; - dwEnable1 = MASK_ZWriteEnable | MASK_StencilWriteEnable | - MASK_StencilTestEnable; - dwEnable2 |= MASK_ZMaskWriteEnable; - dwDepthMask |= ctx->Stencil.WriteMask[0] << 24; - } else if (bClrDepth) { - dwEnable1 = MASK_ZWriteEnable; - dwEnable2 |= MASK_ZMaskWriteEnable; - } - - if (bClrDepth) { - zClearVal = ctx->Depth.Clear; - if (ctx->Visual.depthBits != 32) - dwDepthMask |= 0x00ffffff; - else - dwDepthMask = 0xffffffff; - } else - zClearVal = 0.0; - - mWait3DCmdQueue(9); - MMIO(REG_3D_TEnable, dwEnable1); - MMIO(REG_3D_TEnable2, dwEnable2); - if (bClrDepth || bClrStencil) { - MMIO(REG_3D_ZSet, (current->hwZ & ~MASK_ZTestMode) | SiS_Z_COMP_ALWAYS); - dirtyflags |= GFLAG_ZSETTING; - } - if (bClrColor) { - MMIO(REG_3D_DstSet, (current->hwDstSet & ~MASK_ROP2) | LOP_COPY); - } else { - MMIO(REG_3D_DstAlphaWriteMask, 0L); - } - if (bClrStencil) { - MMIO(REG_3D_StencilSet, dwSten1); - MMIO(REG_3D_StencilSet2, dwSten2); - dirtyflags |= GFLAG_STENCILSETTING; - } - - if (mask & BUFFER_BIT_FRONT_LEFT) { - pExtents = smesa->driDrawable->pClipRects; - count = smesa->driDrawable->numClipRects; - } else { - pExtents = NULL; - count = 1; - } - - while(count--) { - left = x; - right = x + width; - top = y; - bottom = y + height; - - if (pExtents != NULL) { - GLuint x1, y1, x2, y2; - - x1 = pExtents->x1 - smesa->driDrawable->x; - y1 = pExtents->y1 - smesa->driDrawable->y; - x2 = pExtents->x2 - smesa->driDrawable->x - 1; - y2 = pExtents->y2 - smesa->driDrawable->y - 1; - - left = (left > x1) ? left : x1; - right = (right > x2) ? x2 : right; - top = (top > y1) ? top : y1; - bottom = (bottom > y2) ? y2 : bottom; - pExtents++; - if (left > right || top > bottom) - continue; - } - - mWait3DCmdQueue(20); - - MMIO(REG_3D_ClipTopBottom, ((GLint)top << 13) | (GLint)bottom); - MMIO(REG_3D_ClipLeftRight, ((GLint)left << 13) | (GLint)right); - - /* the first triangle */ - dwPrimitiveSet = OP_3D_TRIANGLE_DRAW | OP_3D_FIRE_TSARGBc | - SHADE_FLAT_VertexC; - MMIO(REG_3D_PrimitiveSet, dwPrimitiveSet); - - MMIO(REG_3D_TSZa, *(GLint *) &zClearVal); - MMIO(REG_3D_TSXa, *(GLint *) &right); - MMIO(REG_3D_TSYa, *(GLint *) &top); - MMIO(REG_3D_TSARGBa, smesa->clearColorPattern); - - MMIO(REG_3D_TSZb, *(GLint *) &zClearVal); - MMIO(REG_3D_TSXb, *(GLint *) &left); - MMIO(REG_3D_TSYb, *(GLint *) &top); - MMIO(REG_3D_TSARGBb, smesa->clearColorPattern); - - MMIO(REG_3D_TSZc, *(GLint *) &zClearVal); - MMIO(REG_3D_TSXc, *(GLint *) &left); - MMIO(REG_3D_TSYc, *(GLint *) &bottom); - MMIO(REG_3D_TSARGBc, smesa->clearColorPattern); - - /* second triangle */ - dwPrimitiveSet = OP_3D_TRIANGLE_DRAW | OP_3D_FIRE_TSARGBb | - SHADE_FLAT_VertexB; - MMIO(REG_3D_PrimitiveSet, dwPrimitiveSet); - - MMIO(REG_3D_TSZb, *(GLint *) &zClearVal); - MMIO(REG_3D_TSXb, *(GLint *) &right); - MMIO(REG_3D_TSYb, *(GLint *) &bottom); - MMIO(REG_3D_TSARGBb, smesa->clearColorPattern); - } - - mEndPrimitive(); - - /* If BUFFER_BIT_FRONT_LEFT is set, we've only cleared the front buffer so far */ - if ((mask & BUFFER_BIT_FRONT_LEFT) != 0 && (mask & BUFFER_BIT_BACK_LEFT) != 0) - sis_3D_Clear( ctx, BUFFER_BIT_BACK_LEFT, x, y, width, height ); - - smesa->GlobalFlag |= dirtyflags; - - return mask & ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL | BUFFER_BIT_BACK_LEFT | - BUFFER_BIT_FRONT_LEFT); -} - -static void -sis_bitblt_clear_cmd( sisContextPtr smesa, ENGPACKET * pkt ) -{ - GLint *lpdwDest, *lpdwSrc; - int i; - - lpdwSrc = (GLint *) pkt + 1; - lpdwDest = (GLint *) (GET_IOBase (smesa) + REG_SRC_ADDR) + 1; - - mWait3DCmdQueue (10); - - *lpdwDest++ = *lpdwSrc++; - lpdwSrc++; - lpdwDest++; - for (i = 3; i < 8; i++) { - *lpdwDest++ = *lpdwSrc++; - } - - MMIO(REG_CMD0, *(GLint *) & pkt->stdwCmd); - MMIO(REG_CommandQueue, -1); -} - -static void -sis_clear_color_buffer( GLcontext *ctx, GLenum mask, GLint x, GLint y, - GLint width, GLint height ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - int count; - GLuint depth = smesa->bytesPerPixel; - drm_clip_rect_t *pExtents = NULL; - GLint xx, yy; - GLint x0, y0, width0, height0; - - ENGPACKET stEngPacket; - - /* Clear back buffer */ - if (mask & BUFFER_BIT_BACK_LEFT) { - smesa->cbClearPacket.stdwDestPos.wY = y; - smesa->cbClearPacket.stdwDestPos.wX = x; - smesa->cbClearPacket.stdwDim.wWidth = (GLshort) width; - smesa->cbClearPacket.stdwDim.wHeight = (GLshort) height; - smesa->cbClearPacket.dwFgRopColor = smesa->clearColorPattern; - - sis_bitblt_clear_cmd( smesa, &smesa->cbClearPacket ); - } - - if ((mask & BUFFER_BIT_FRONT_LEFT) == 0) - return; - - /* Clear front buffer */ - x0 = x; - y0 = y; - width0 = width; - height0 = height; - - pExtents = smesa->driDrawable->pClipRects; - count = smesa->driDrawable->numClipRects; - - memset( &stEngPacket, 0, sizeof (ENGPACKET) ); - - stEngPacket.dwSrcPitch = (depth == 2) ? 0x80000000 : 0xc0000000; - stEngPacket.dwDestBaseAddr = smesa->frontOffset; - stEngPacket.wDestPitch = smesa->frontPitch; - /* TODO: set maximum value? */ - stEngPacket.wDestHeight = smesa->virtualY; - stEngPacket.stdwCmd.cRop = 0xf0; - stEngPacket.dwFgRopColor = smesa->clearColorPattern; - - /* for SGRAM Block Write Enable */ - if (smesa->blockWrite) - stEngPacket.stdwCmd.cCmd0 = CMD0_PAT_FG_COLOR; - else - stEngPacket.stdwCmd.cCmd0 = 0; - stEngPacket.stdwCmd.cCmd1 = CMD1_DIR_X_INC | CMD1_DIR_Y_INC; - - while (count--) { - GLint x2 = pExtents->x1 - smesa->driDrawable->x; - GLint y2 = pExtents->y1 - smesa->driDrawable->y; - GLint xx2 = pExtents->x2 - smesa->driDrawable->x; - GLint yy2 = pExtents->y2 - smesa->driDrawable->y; - - x = (x0 > x2) ? x0 : x2; - y = (y0 > y2) ? y0 : y2; - xx = ((x0 + width0) > (xx2)) ? xx2 : x0 + width0; - yy = ((y0 + height0) > (yy2)) ? yy2 : y0 + height0; - width = xx - x; - height = yy - y; - pExtents++; - - if (width <= 0 || height <= 0) - continue; - - stEngPacket.stdwDestPos.wY = y; - stEngPacket.stdwDestPos.wX = x; - stEngPacket.stdwDim.wWidth = (GLshort)width; - stEngPacket.stdwDim.wHeight = (GLshort)height; - - sis_bitblt_clear_cmd( smesa, &stEngPacket ); - } -} - -static void -sis_clear_z_stencil_buffer( GLcontext * ctx, GLbitfield mask, - GLint x, GLint y, GLint width, GLint height ) -{ - sisContextPtr smesa = SIS_CONTEXT(ctx); - - /* TODO: consider alignment of width, height? */ - smesa->zClearPacket.stdwDestPos.wY = y; - smesa->zClearPacket.stdwDestPos.wX = x; - smesa->zClearPacket.stdwDim.wWidth = (GLshort) width; - smesa->zClearPacket.stdwDim.wHeight = (GLshort) height; - smesa->zClearPacket.dwFgRopColor = smesa->clearZStencilPattern; - - sis_bitblt_clear_cmd( smesa, &smesa->zClearPacket ); -} - |