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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_clear.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis_clear.c408
1 files changed, 0 insertions, 408 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_clear.c b/src/mesa/drivers/dri/sis/sis_clear.c
deleted file mode 100644
index a5d870469da..00000000000
--- a/src/mesa/drivers/dri/sis/sis_clear.c
+++ /dev/null
@@ -1,408 +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.
-
-**************************************************************************/
-
-/*
- * 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 "main/macros.h"
-
-static GLbitfield sis_3D_Clear( struct gl_context * ctx, GLbitfield mask,
- GLint x, GLint y, GLint width,
- GLint height );
-static void sis_clear_color_buffer( struct gl_context *ctx, GLenum mask, GLint x,
- GLint y, GLint width, GLint height );
-static void sis_clear_z_stencil_buffer( struct gl_context * 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( struct gl_context * ctx, GLbitfield mask )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- GLint x1, y1, width1, height1;
-
- /* get region after locking: */
- x1 = ctx->DrawBuffer->_Xmin;
- y1 = ctx->DrawBuffer->_Ymin;
- width1 = ctx->DrawBuffer->_Xmax - x1;
- height1 = ctx->DrawBuffer->_Ymax - y1;
- y1 = Y_FLIP(y1 + height1 - 1);
-
- /* 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) != 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->depth.offset != 0)
- 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);
-}
-
-
-void
-sisDDClearColor( struct gl_context * 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( struct gl_context * ctx, GLclampd d )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- sisUpdateZStencilPattern( smesa, d, ctx->Stencil.Clear );
-}
-
-void
-sisDDClearStencil( struct gl_context * ctx, GLint s )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- sisUpdateZStencilPattern( smesa, ctx->Depth.Clear, s );
-}
-
-static GLbitfield
-sis_3D_Clear( struct gl_context * 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 & 0xff) << 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] & 0xff) << 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_clear_color_buffer( struct gl_context *ctx, GLenum mask, GLint x, GLint y,
- GLint width, GLint height )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- int count;
- drm_clip_rect_t *pExtents = NULL;
- GLint xx, yy;
- GLint x0, y0, width0, height0;
-
- /* Clear back buffer */
- if (mask & BUFFER_BIT_BACK_LEFT) {
- mWait3DCmdQueue (8);
- MMIO(REG_SRC_PITCH, (smesa->bytesPerPixel == 4) ?
- BLIT_DEPTH_32 : BLIT_DEPTH_16);
- MMIO(REG_DST_X_Y, (x << 16) | y);
- MMIO(REG_DST_ADDR, smesa->back.offset);
- MMIO(REG_DST_PITCH_HEIGHT, (smesa->virtualY << 16) | smesa->back.pitch);
- MMIO(REG_WIDTH_HEIGHT, (height << 16) | width);
- MMIO(REG_PATFG, smesa->clearColorPattern);
- MMIO(REG_BLIT_CMD, CMD_DIR_X_INC | CMD_DIR_Y_INC | CMD_ROP_PAT);
- MMIO(REG_CommandQueue, -1);
- }
-
- 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;
-
- 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;
-
- mWait3DCmdQueue (8);
- MMIO(REG_SRC_PITCH, (smesa->bytesPerPixel == 4) ?
- BLIT_DEPTH_32 : BLIT_DEPTH_16);
- MMIO(REG_DST_X_Y, (x << 16) | y);
- MMIO(REG_DST_ADDR, smesa->front.offset);
- MMIO(REG_DST_PITCH_HEIGHT, (smesa->virtualY << 16) | smesa->front.pitch);
- MMIO(REG_WIDTH_HEIGHT, (height << 16) | width);
- MMIO(REG_PATFG, smesa->clearColorPattern);
- MMIO(REG_BLIT_CMD, CMD_DIR_X_INC | CMD_DIR_Y_INC | CMD_ROP_PAT);
- MMIO(REG_CommandQueue, -1);
- }
-}
-
-static void
-sis_clear_z_stencil_buffer( struct gl_context * ctx, GLbitfield mask,
- GLint x, GLint y, GLint width, GLint height )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- mWait3DCmdQueue (8);
- MMIO(REG_SRC_PITCH, (smesa->zFormat == SiS_ZFORMAT_Z16) ?
- BLIT_DEPTH_16 : BLIT_DEPTH_32);
- MMIO(REG_DST_X_Y, (x << 16) | y);
- MMIO(REG_DST_ADDR, smesa->depth.offset);
- MMIO(REG_DST_PITCH_HEIGHT, (smesa->virtualY << 16) | smesa->depth.pitch);
- MMIO(REG_WIDTH_HEIGHT, (height << 16) | width);
- MMIO(REG_PATFG, smesa->clearZStencilPattern);
- MMIO(REG_BLIT_CMD, CMD_DIR_X_INC | CMD_DIR_Y_INC | CMD_ROP_PAT);
- MMIO(REG_CommandQueue, -1);
-}
-
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