From d41bc08d1ae8c4784c09d8977816c0fadab1ba52 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 17 Nov 2011 16:37:26 +0100 Subject: xserver mesa git update 17 nov 2011 --- mesalib/src/mesa/swrast/s_copypix.c | 1440 ++++++++++++++++----------------- mesalib/src/mesa/swrast/s_depth.c | 3 +- mesalib/src/mesa/swrast/s_drawpix.c | 10 +- mesalib/src/mesa/swrast/s_readpix.c | 522 ------------ mesalib/src/mesa/swrast/s_stencil.c | 184 +++-- mesalib/src/mesa/swrast/s_stencil.h | 106 +-- mesalib/src/mesa/swrast/s_texrender.c | 13 + mesalib/src/mesa/swrast/s_zoom.c | 4 +- mesalib/src/mesa/swrast/s_zoom.h | 112 +-- mesalib/src/mesa/swrast/swrast.h | 7 - 10 files changed, 940 insertions(+), 1461 deletions(-) delete mode 100644 mesalib/src/mesa/swrast/s_readpix.c (limited to 'mesalib/src/mesa/swrast') diff --git a/mesalib/src/mesa/swrast/s_copypix.c b/mesalib/src/mesa/swrast/s_copypix.c index e249e4ad5..3ba31f22c 100644 --- a/mesalib/src/mesa/swrast/s_copypix.c +++ b/mesalib/src/mesa/swrast/s_copypix.c @@ -1,720 +1,720 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2007 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. - */ - - -#include "main/glheader.h" -#include "main/context.h" -#include "main/colormac.h" -#include "main/condrender.h" -#include "main/macros.h" -#include "main/pixeltransfer.h" -#include "main/imports.h" - -#include "s_context.h" -#include "s_depth.h" -#include "s_span.h" -#include "s_stencil.h" -#include "s_zoom.h" - - - -/** - * Determine if there's overlap in an image copy. - * This test also compensates for the fact that copies are done from - * bottom to top and overlaps can sometimes be handled correctly - * without making a temporary image copy. - * \return GL_TRUE if the regions overlap, GL_FALSE otherwise. - */ -static GLboolean -regions_overlap(GLint srcx, GLint srcy, - GLint dstx, GLint dsty, - GLint width, GLint height, - GLfloat zoomX, GLfloat zoomY) -{ - if (zoomX == 1.0 && zoomY == 1.0) { - /* no zoom */ - if (srcx >= dstx + width || (srcx + width <= dstx)) { - return GL_FALSE; - } - else if (srcy < dsty) { /* this is OK */ - return GL_FALSE; - } - else if (srcy > dsty + height) { - return GL_FALSE; - } - else { - return GL_TRUE; - } - } - else { - /* add one pixel of slop when zooming, just to be safe */ - if (srcx > (dstx + ((zoomX > 0.0F) ? (width * zoomX + 1.0F) : 0.0F))) { - /* src is completely right of dest */ - return GL_FALSE; - } - else if (srcx + width + 1.0F < dstx + ((zoomX > 0.0F) ? 0.0F : (width * zoomX))) { - /* src is completely left of dest */ - return GL_FALSE; - } - else if ((srcy < dsty) && (srcy + height < dsty + (height * zoomY))) { - /* src is completely below dest */ - return GL_FALSE; - } - else if ((srcy > dsty) && (srcy + height > dsty + (height * zoomY))) { - /* src is completely above dest */ - return GL_FALSE; - } - else { - return GL_TRUE; - } - } -} - - -/** - * RGBA copypixels - */ -static void -copy_rgba_pixels(struct gl_context *ctx, GLint srcx, GLint srcy, - GLint width, GLint height, GLint destx, GLint desty) -{ - GLfloat *tmpImage, *p; - GLint sy, dy, stepy, row; - const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; - GLint overlapping; - GLuint transferOps = ctx->_ImageTransferState; - SWspan span; - - if (!ctx->ReadBuffer->_ColorReadBuffer) { - /* no readbuffer - OK */ - return; - } - - if (ctx->DrawBuffer == ctx->ReadBuffer) { - overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, - ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - } - else { - overlapping = GL_FALSE; - } - - /* Determine if copy should be done bottom-to-top or top-to-bottom */ - if (!overlapping && srcy < desty) { - /* top-down max-to-min */ - sy = srcy + height - 1; - dy = desty + height - 1; - stepy = -1; - } - else { - /* bottom-up min-to-max */ - sy = srcy; - dy = desty; - stepy = 1; - } - - INIT_SPAN(span, GL_BITMAP); - _swrast_span_default_attribs(ctx, &span); - span.arrayMask = SPAN_RGBA; - span.arrayAttribs = FRAG_BIT_COL0; /* we'll fill in COL0 attrib values */ - - if (overlapping) { - tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat) * 4); - if (!tmpImage) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); - return; - } - /* read the source image as RGBA/float */ - p = tmpImage; - for (row = 0; row < height; row++) { - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, srcx, sy + row, GL_FLOAT, p ); - p += width * 4; - } - p = tmpImage; - } - else { - tmpImage = NULL; /* silence compiler warnings */ - p = NULL; - } - - ASSERT(width < MAX_WIDTH); - - for (row = 0; row < height; row++, sy += stepy, dy += stepy) { - GLvoid *rgba = span.array->attribs[FRAG_ATTRIB_COL0]; - - /* Get row/span of source pixels */ - if (overlapping) { - /* get from buffered image */ - memcpy(rgba, p, width * sizeof(GLfloat) * 4); - p += width * 4; - } - else { - /* get from framebuffer */ - _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, srcx, sy, GL_FLOAT, rgba ); - } - - if (transferOps) { - _mesa_apply_rgba_transfer_ops(ctx, transferOps, width, - (GLfloat (*)[4]) rgba); - } - - /* Write color span */ - span.x = destx; - span.y = dy; - span.end = width; - span.array->ChanType = GL_FLOAT; - if (zoom) { - _swrast_write_zoomed_rgba_span(ctx, destx, desty, &span, rgba); - } - else { - _swrast_write_rgba_span(ctx, &span); - } - } - - span.array->ChanType = CHAN_TYPE; /* restore */ - - if (overlapping) - free(tmpImage); -} - - -/** - * Convert floating point Z values to integer Z values with pixel transfer's - * Z scale and bias. - */ -static void -scale_and_bias_z(struct gl_context *ctx, GLuint width, - const GLfloat depth[], GLuint z[]) -{ - const GLuint depthMax = ctx->DrawBuffer->_DepthMax; - GLuint i; - - if (depthMax <= 0xffffff && - ctx->Pixel.DepthScale == 1.0 && - ctx->Pixel.DepthBias == 0.0) { - /* no scale or bias and no clamping and no worry of overflow */ - const GLfloat depthMaxF = ctx->DrawBuffer->_DepthMaxF; - for (i = 0; i < width; i++) { - z[i] = (GLuint) (depth[i] * depthMaxF); - } - } - else { - /* need to be careful with overflow */ - const GLdouble depthMaxF = ctx->DrawBuffer->_DepthMaxF; - for (i = 0; i < width; i++) { - GLdouble d = depth[i] * ctx->Pixel.DepthScale + ctx->Pixel.DepthBias; - d = CLAMP(d, 0.0, 1.0) * depthMaxF; - if (d >= depthMaxF) - z[i] = depthMax; - else - z[i] = (GLuint) d; - } - } -} - - - -/* - * TODO: Optimize!!!! - */ -static void -copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy, - GLint width, GLint height, - GLint destx, GLint desty ) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *readRb = fb->_DepthBuffer; - GLfloat *p, *tmpImage; - GLint sy, dy, stepy; - GLint j; - const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; - GLint overlapping; - SWspan span; - - if (!readRb) { - /* no readbuffer - OK */ - return; - } - - INIT_SPAN(span, GL_BITMAP); - _swrast_span_default_attribs(ctx, &span); - span.arrayMask = SPAN_Z; - - if (ctx->DrawBuffer == ctx->ReadBuffer) { - overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, - ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - } - else { - overlapping = GL_FALSE; - } - - /* Determine if copy should be bottom-to-top or top-to-bottom */ - if (!overlapping && srcy < desty) { - /* top-down max-to-min */ - sy = srcy + height - 1; - dy = desty + height - 1; - stepy = -1; - } - else { - /* bottom-up min-to-max */ - sy = srcy; - dy = desty; - stepy = 1; - } - - if (overlapping) { - GLint ssy = sy; - tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat)); - if (!tmpImage) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); - return; - } - p = tmpImage; - for (j = 0; j < height; j++, ssy += stepy) { - _swrast_read_depth_span_float(ctx, readRb, width, srcx, ssy, p); - p += width; - } - p = tmpImage; - } - else { - tmpImage = NULL; /* silence compiler warning */ - p = NULL; - } - - for (j = 0; j < height; j++, sy += stepy, dy += stepy) { - GLfloat depth[MAX_WIDTH]; - /* get depth values */ - if (overlapping) { - memcpy(depth, p, width * sizeof(GLfloat)); - p += width; - } - else { - _swrast_read_depth_span_float(ctx, readRb, width, srcx, sy, depth); - } - - /* apply scale and bias */ - scale_and_bias_z(ctx, width, depth, span.array->z); - - /* write depth values */ - span.x = destx; - span.y = dy; - span.end = width; - if (zoom) - _swrast_write_zoomed_depth_span(ctx, destx, desty, &span); - else - _swrast_write_rgba_span(ctx, &span); - } - - if (overlapping) - free(tmpImage); -} - - - -static void -copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy, - GLint width, GLint height, - GLint destx, GLint desty ) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->_StencilBuffer; - GLint sy, dy, stepy; - GLint j; - GLstencil *p, *tmpImage; - const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; - GLint overlapping; - - if (!rb) { - /* no readbuffer - OK */ - return; - } - - if (ctx->DrawBuffer == ctx->ReadBuffer) { - overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, - ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - } - else { - overlapping = GL_FALSE; - } - - /* Determine if copy should be bottom-to-top or top-to-bottom */ - if (!overlapping && srcy < desty) { - /* top-down max-to-min */ - sy = srcy + height - 1; - dy = desty + height - 1; - stepy = -1; - } - else { - /* bottom-up min-to-max */ - sy = srcy; - dy = desty; - stepy = 1; - } - - if (overlapping) { - GLint ssy = sy; - tmpImage = (GLstencil *) malloc(width * height * sizeof(GLstencil)); - if (!tmpImage) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); - return; - } - p = tmpImage; - for (j = 0; j < height; j++, ssy += stepy) { - _swrast_read_stencil_span( ctx, rb, width, srcx, ssy, p ); - p += width; - } - p = tmpImage; - } - else { - tmpImage = NULL; /* silence compiler warning */ - p = NULL; - } - - for (j = 0; j < height; j++, sy += stepy, dy += stepy) { - GLstencil stencil[MAX_WIDTH]; - - /* Get stencil values */ - if (overlapping) { - memcpy(stencil, p, width * sizeof(GLstencil)); - p += width; - } - else { - _swrast_read_stencil_span( ctx, rb, width, srcx, sy, stencil ); - } - - _mesa_apply_stencil_transfer_ops(ctx, width, stencil); - - /* Write stencil values */ - if (zoom) { - _swrast_write_zoomed_stencil_span(ctx, destx, desty, width, - destx, dy, stencil); - } - else { - _swrast_write_stencil_span( ctx, width, destx, dy, stencil ); - } - } - - if (overlapping) - free(tmpImage); -} - - -/** - * This isn't terribly efficient. If a driver really has combined - * depth/stencil buffers the driver should implement an optimized - * CopyPixels function. - */ -static void -copy_depth_stencil_pixels(struct gl_context *ctx, - const GLint srcX, const GLint srcY, - const GLint width, const GLint height, - const GLint destX, const GLint destY) -{ - struct gl_renderbuffer *stencilReadRb, *depthReadRb, *depthDrawRb; - GLint sy, dy, stepy; - GLint j; - GLstencil *tempStencilImage = NULL, *stencilPtr = NULL; - GLfloat *tempDepthImage = NULL, *depthPtr = NULL; - const GLfloat depthScale = ctx->DrawBuffer->_DepthMaxF; - const GLuint stencilMask = ctx->Stencil.WriteMask[0]; - const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; - const GLboolean scaleOrBias - = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0; - GLint overlapping; - - depthDrawRb = ctx->DrawBuffer->_DepthBuffer; - depthReadRb = ctx->ReadBuffer->_DepthBuffer; - stencilReadRb = ctx->ReadBuffer->_StencilBuffer; - - ASSERT(depthDrawRb); - ASSERT(depthReadRb); - ASSERT(stencilReadRb); - - if (ctx->DrawBuffer == ctx->ReadBuffer) { - overlapping = regions_overlap(srcX, srcY, destX, destY, width, height, - ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - } - else { - overlapping = GL_FALSE; - } - - /* Determine if copy should be bottom-to-top or top-to-bottom */ - if (!overlapping && srcY < destY) { - /* top-down max-to-min */ - sy = srcY + height - 1; - dy = destY + height - 1; - stepy = -1; - } - else { - /* bottom-up min-to-max */ - sy = srcY; - dy = destY; - stepy = 1; - } - - if (overlapping) { - GLint ssy = sy; - - if (stencilMask != 0x0) { - tempStencilImage - = (GLstencil *) malloc(width * height * sizeof(GLstencil)); - if (!tempStencilImage) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); - return; - } - - /* get copy of stencil pixels */ - stencilPtr = tempStencilImage; - for (j = 0; j < height; j++, ssy += stepy) { - _swrast_read_stencil_span(ctx, stencilReadRb, - width, srcX, ssy, stencilPtr); - stencilPtr += width; - } - stencilPtr = tempStencilImage; - } - - if (ctx->Depth.Mask) { - tempDepthImage - = (GLfloat *) malloc(width * height * sizeof(GLfloat)); - if (!tempDepthImage) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); - free(tempStencilImage); - return; - } - - /* get copy of depth pixels */ - depthPtr = tempDepthImage; - for (j = 0; j < height; j++, ssy += stepy) { - _swrast_read_depth_span_float(ctx, depthReadRb, - width, srcX, ssy, depthPtr); - depthPtr += width; - } - depthPtr = tempDepthImage; - } - } - - for (j = 0; j < height; j++, sy += stepy, dy += stepy) { - if (stencilMask != 0x0) { - GLstencil stencil[MAX_WIDTH]; - - /* Get stencil values */ - if (overlapping) { - memcpy(stencil, stencilPtr, width * sizeof(GLstencil)); - stencilPtr += width; - } - else { - _swrast_read_stencil_span(ctx, stencilReadRb, - width, srcX, sy, stencil); - } - - _mesa_apply_stencil_transfer_ops(ctx, width, stencil); - - /* Write values */ - if (zoom) { - _swrast_write_zoomed_stencil_span(ctx, destX, destY, width, - destX, dy, stencil); - } - else { - _swrast_write_stencil_span( ctx, width, destX, dy, stencil ); - } - } - - if (ctx->Depth.Mask) { - GLfloat depth[MAX_WIDTH]; - GLuint zVals32[MAX_WIDTH]; - GLushort zVals16[MAX_WIDTH]; - GLvoid *zVals; - GLuint zBytes; - - /* get depth values */ - if (overlapping) { - memcpy(depth, depthPtr, width * sizeof(GLfloat)); - depthPtr += width; - } - else { - _swrast_read_depth_span_float(ctx, depthReadRb, - width, srcX, sy, depth); - } - - /* scale & bias */ - if (scaleOrBias) { - _mesa_scale_and_bias_depth(ctx, width, depth); - } - /* convert to integer Z values */ - if (depthDrawRb->DataType == GL_UNSIGNED_SHORT) { - GLint k; - for (k = 0; k < width; k++) - zVals16[k] = (GLushort) (depth[k] * depthScale); - zVals = zVals16; - zBytes = 2; - } - else { - GLint k; - for (k = 0; k < width; k++) - zVals32[k] = (GLuint) (depth[k] * depthScale); - zVals = zVals32; - zBytes = 4; - } - - /* Write values */ - if (zoom) { - _swrast_write_zoomed_z_span(ctx, destX, destY, width, - destX, dy, zVals); - } - else { - _swrast_put_row(ctx, depthDrawRb, width, destX, dy, zVals, zBytes); - } - } - } - - if (tempStencilImage) - free(tempStencilImage); - - if (tempDepthImage) - free(tempDepthImage); -} - - - -/** - * Try to do a fast copy pixels. - */ -static GLboolean -fast_copy_pixels(struct gl_context *ctx, - GLint srcX, GLint srcY, GLsizei width, GLsizei height, - GLint dstX, GLint dstY, GLenum type) -{ - struct gl_framebuffer *srcFb = ctx->ReadBuffer; - struct gl_framebuffer *dstFb = ctx->DrawBuffer; - struct gl_renderbuffer *srcRb, *dstRb; - GLint row, yStep; - - if (SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 || - ctx->Pixel.ZoomX != 1.0F || - ctx->Pixel.ZoomY != 1.0F || - ctx->_ImageTransferState) { - /* can't handle these */ - return GL_FALSE; - } - - if (type == GL_COLOR) { - if (dstFb->_NumColorDrawBuffers != 1) - return GL_FALSE; - srcRb = srcFb->_ColorReadBuffer; - dstRb = dstFb->_ColorDrawBuffers[0]; - } - else if (type == GL_STENCIL) { - srcRb = srcFb->_StencilBuffer; - dstRb = dstFb->_StencilBuffer; - } - else if (type == GL_DEPTH) { - srcRb = srcFb->_DepthBuffer; - dstRb = dstFb->_DepthBuffer; - } - else { - ASSERT(type == GL_DEPTH_STENCIL_EXT); - /* XXX correct? */ - srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer; - dstRb = dstFb->Attachment[BUFFER_DEPTH].Renderbuffer; - } - - /* src and dst renderbuffers must be same format and type */ - if (!srcRb || !dstRb || - srcRb->DataType != dstRb->DataType || - srcRb->_BaseFormat != dstRb->_BaseFormat) { - return GL_FALSE; - } - - /* clipping not supported */ - if (srcX < 0 || srcX + width > (GLint) srcFb->Width || - srcY < 0 || srcY + height > (GLint) srcFb->Height || - dstX < dstFb->_Xmin || dstX + width > dstFb->_Xmax || - dstY < dstFb->_Ymin || dstY + height > dstFb->_Ymax) { - return GL_FALSE; - } - - /* overlapping src/dst doesn't matter, just determine Y direction */ - if (srcY < dstY) { - /* top-down max-to-min */ - srcY = srcY + height - 1; - dstY = dstY + height - 1; - yStep = -1; - } - else { - /* bottom-up min-to-max */ - yStep = 1; - } - - for (row = 0; row < height; row++) { - GLuint temp[MAX_WIDTH][4]; - srcRb->GetRow(ctx, srcRb, width, srcX, srcY, temp); - dstRb->PutRow(ctx, dstRb, width, dstX, dstY, temp, NULL); - srcY += yStep; - dstY += yStep; - } - - return GL_TRUE; -} - - -/** - * Do software-based glCopyPixels. - * By time we get here, all parameters will have been error-checked. - */ -void -_swrast_CopyPixels( struct gl_context *ctx, - GLint srcx, GLint srcy, GLsizei width, GLsizei height, - GLint destx, GLint desty, GLenum type ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - swrast_render_start(ctx); - - if (!_mesa_check_conditional_render(ctx)) - return; /* don't copy */ - - if (swrast->NewState) - _swrast_validate_derived( ctx ); - - if (!fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) { - switch (type) { - case GL_COLOR: - copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty ); - break; - case GL_DEPTH: - copy_depth_pixels( ctx, srcx, srcy, width, height, destx, desty ); - break; - case GL_STENCIL: - copy_stencil_pixels( ctx, srcx, srcy, width, height, destx, desty ); - break; - case GL_DEPTH_STENCIL_EXT: - copy_depth_stencil_pixels(ctx, srcx, srcy, width, height, destx, desty); - break; - default: - _mesa_problem(ctx, "unexpected type in _swrast_CopyPixels"); - } - } - - swrast_render_finish(ctx); -} +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2007 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. + */ + + +#include "main/glheader.h" +#include "main/context.h" +#include "main/colormac.h" +#include "main/condrender.h" +#include "main/macros.h" +#include "main/pixeltransfer.h" +#include "main/imports.h" + +#include "s_context.h" +#include "s_depth.h" +#include "s_span.h" +#include "s_stencil.h" +#include "s_zoom.h" + + + +/** + * Determine if there's overlap in an image copy. + * This test also compensates for the fact that copies are done from + * bottom to top and overlaps can sometimes be handled correctly + * without making a temporary image copy. + * \return GL_TRUE if the regions overlap, GL_FALSE otherwise. + */ +static GLboolean +regions_overlap(GLint srcx, GLint srcy, + GLint dstx, GLint dsty, + GLint width, GLint height, + GLfloat zoomX, GLfloat zoomY) +{ + if (zoomX == 1.0 && zoomY == 1.0) { + /* no zoom */ + if (srcx >= dstx + width || (srcx + width <= dstx)) { + return GL_FALSE; + } + else if (srcy < dsty) { /* this is OK */ + return GL_FALSE; + } + else if (srcy > dsty + height) { + return GL_FALSE; + } + else { + return GL_TRUE; + } + } + else { + /* add one pixel of slop when zooming, just to be safe */ + if (srcx > (dstx + ((zoomX > 0.0F) ? (width * zoomX + 1.0F) : 0.0F))) { + /* src is completely right of dest */ + return GL_FALSE; + } + else if (srcx + width + 1.0F < dstx + ((zoomX > 0.0F) ? 0.0F : (width * zoomX))) { + /* src is completely left of dest */ + return GL_FALSE; + } + else if ((srcy < dsty) && (srcy + height < dsty + (height * zoomY))) { + /* src is completely below dest */ + return GL_FALSE; + } + else if ((srcy > dsty) && (srcy + height > dsty + (height * zoomY))) { + /* src is completely above dest */ + return GL_FALSE; + } + else { + return GL_TRUE; + } + } +} + + +/** + * RGBA copypixels + */ +static void +copy_rgba_pixels(struct gl_context *ctx, GLint srcx, GLint srcy, + GLint width, GLint height, GLint destx, GLint desty) +{ + GLfloat *tmpImage, *p; + GLint sy, dy, stepy, row; + const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; + GLint overlapping; + GLuint transferOps = ctx->_ImageTransferState; + SWspan span; + + if (!ctx->ReadBuffer->_ColorReadBuffer) { + /* no readbuffer - OK */ + return; + } + + if (ctx->DrawBuffer == ctx->ReadBuffer) { + overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, + ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); + } + else { + overlapping = GL_FALSE; + } + + /* Determine if copy should be done bottom-to-top or top-to-bottom */ + if (!overlapping && srcy < desty) { + /* top-down max-to-min */ + sy = srcy + height - 1; + dy = desty + height - 1; + stepy = -1; + } + else { + /* bottom-up min-to-max */ + sy = srcy; + dy = desty; + stepy = 1; + } + + INIT_SPAN(span, GL_BITMAP); + _swrast_span_default_attribs(ctx, &span); + span.arrayMask = SPAN_RGBA; + span.arrayAttribs = FRAG_BIT_COL0; /* we'll fill in COL0 attrib values */ + + if (overlapping) { + tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat) * 4); + if (!tmpImage) { + _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); + return; + } + /* read the source image as RGBA/float */ + p = tmpImage; + for (row = 0; row < height; row++) { + _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, + width, srcx, sy + row, GL_FLOAT, p ); + p += width * 4; + } + p = tmpImage; + } + else { + tmpImage = NULL; /* silence compiler warnings */ + p = NULL; + } + + ASSERT(width < MAX_WIDTH); + + for (row = 0; row < height; row++, sy += stepy, dy += stepy) { + GLvoid *rgba = span.array->attribs[FRAG_ATTRIB_COL0]; + + /* Get row/span of source pixels */ + if (overlapping) { + /* get from buffered image */ + memcpy(rgba, p, width * sizeof(GLfloat) * 4); + p += width * 4; + } + else { + /* get from framebuffer */ + _swrast_read_rgba_span( ctx, ctx->ReadBuffer->_ColorReadBuffer, + width, srcx, sy, GL_FLOAT, rgba ); + } + + if (transferOps) { + _mesa_apply_rgba_transfer_ops(ctx, transferOps, width, + (GLfloat (*)[4]) rgba); + } + + /* Write color span */ + span.x = destx; + span.y = dy; + span.end = width; + span.array->ChanType = GL_FLOAT; + if (zoom) { + _swrast_write_zoomed_rgba_span(ctx, destx, desty, &span, rgba); + } + else { + _swrast_write_rgba_span(ctx, &span); + } + } + + span.array->ChanType = CHAN_TYPE; /* restore */ + + if (overlapping) + free(tmpImage); +} + + +/** + * Convert floating point Z values to integer Z values with pixel transfer's + * Z scale and bias. + */ +static void +scale_and_bias_z(struct gl_context *ctx, GLuint width, + const GLfloat depth[], GLuint z[]) +{ + const GLuint depthMax = ctx->DrawBuffer->_DepthMax; + GLuint i; + + if (depthMax <= 0xffffff && + ctx->Pixel.DepthScale == 1.0 && + ctx->Pixel.DepthBias == 0.0) { + /* no scale or bias and no clamping and no worry of overflow */ + const GLfloat depthMaxF = ctx->DrawBuffer->_DepthMaxF; + for (i = 0; i < width; i++) { + z[i] = (GLuint) (depth[i] * depthMaxF); + } + } + else { + /* need to be careful with overflow */ + const GLdouble depthMaxF = ctx->DrawBuffer->_DepthMaxF; + for (i = 0; i < width; i++) { + GLdouble d = depth[i] * ctx->Pixel.DepthScale + ctx->Pixel.DepthBias; + d = CLAMP(d, 0.0, 1.0) * depthMaxF; + if (d >= depthMaxF) + z[i] = depthMax; + else + z[i] = (GLuint) d; + } + } +} + + + +/* + * TODO: Optimize!!!! + */ +static void +copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy, + GLint width, GLint height, + GLint destx, GLint desty ) +{ + struct gl_framebuffer *fb = ctx->ReadBuffer; + struct gl_renderbuffer *readRb = fb->_DepthBuffer; + GLfloat *p, *tmpImage; + GLint sy, dy, stepy; + GLint j; + const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; + GLint overlapping; + SWspan span; + + if (!readRb) { + /* no readbuffer - OK */ + return; + } + + INIT_SPAN(span, GL_BITMAP); + _swrast_span_default_attribs(ctx, &span); + span.arrayMask = SPAN_Z; + + if (ctx->DrawBuffer == ctx->ReadBuffer) { + overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, + ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); + } + else { + overlapping = GL_FALSE; + } + + /* Determine if copy should be bottom-to-top or top-to-bottom */ + if (!overlapping && srcy < desty) { + /* top-down max-to-min */ + sy = srcy + height - 1; + dy = desty + height - 1; + stepy = -1; + } + else { + /* bottom-up min-to-max */ + sy = srcy; + dy = desty; + stepy = 1; + } + + if (overlapping) { + GLint ssy = sy; + tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat)); + if (!tmpImage) { + _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); + return; + } + p = tmpImage; + for (j = 0; j < height; j++, ssy += stepy) { + _swrast_read_depth_span_float(ctx, readRb, width, srcx, ssy, p); + p += width; + } + p = tmpImage; + } + else { + tmpImage = NULL; /* silence compiler warning */ + p = NULL; + } + + for (j = 0; j < height; j++, sy += stepy, dy += stepy) { + GLfloat depth[MAX_WIDTH]; + /* get depth values */ + if (overlapping) { + memcpy(depth, p, width * sizeof(GLfloat)); + p += width; + } + else { + _swrast_read_depth_span_float(ctx, readRb, width, srcx, sy, depth); + } + + /* apply scale and bias */ + scale_and_bias_z(ctx, width, depth, span.array->z); + + /* write depth values */ + span.x = destx; + span.y = dy; + span.end = width; + if (zoom) + _swrast_write_zoomed_depth_span(ctx, destx, desty, &span); + else + _swrast_write_rgba_span(ctx, &span); + } + + if (overlapping) + free(tmpImage); +} + + + +static void +copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy, + GLint width, GLint height, + GLint destx, GLint desty ) +{ + struct gl_framebuffer *fb = ctx->ReadBuffer; + struct gl_renderbuffer *rb = fb->_StencilBuffer; + GLint sy, dy, stepy; + GLint j; + GLubyte *p, *tmpImage; + const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; + GLint overlapping; + + if (!rb) { + /* no readbuffer - OK */ + return; + } + + if (ctx->DrawBuffer == ctx->ReadBuffer) { + overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, + ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); + } + else { + overlapping = GL_FALSE; + } + + /* Determine if copy should be bottom-to-top or top-to-bottom */ + if (!overlapping && srcy < desty) { + /* top-down max-to-min */ + sy = srcy + height - 1; + dy = desty + height - 1; + stepy = -1; + } + else { + /* bottom-up min-to-max */ + sy = srcy; + dy = desty; + stepy = 1; + } + + if (overlapping) { + GLint ssy = sy; + tmpImage = (GLubyte *) malloc(width * height * sizeof(GLubyte)); + if (!tmpImage) { + _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" ); + return; + } + p = tmpImage; + for (j = 0; j < height; j++, ssy += stepy) { + _swrast_read_stencil_span( ctx, rb, width, srcx, ssy, p ); + p += width; + } + p = tmpImage; + } + else { + tmpImage = NULL; /* silence compiler warning */ + p = NULL; + } + + for (j = 0; j < height; j++, sy += stepy, dy += stepy) { + GLubyte stencil[MAX_WIDTH]; + + /* Get stencil values */ + if (overlapping) { + memcpy(stencil, p, width * sizeof(GLubyte)); + p += width; + } + else { + _swrast_read_stencil_span( ctx, rb, width, srcx, sy, stencil ); + } + + _mesa_apply_stencil_transfer_ops(ctx, width, stencil); + + /* Write stencil values */ + if (zoom) { + _swrast_write_zoomed_stencil_span(ctx, destx, desty, width, + destx, dy, stencil); + } + else { + _swrast_write_stencil_span( ctx, width, destx, dy, stencil ); + } + } + + if (overlapping) + free(tmpImage); +} + + +/** + * This isn't terribly efficient. If a driver really has combined + * depth/stencil buffers the driver should implement an optimized + * CopyPixels function. + */ +static void +copy_depth_stencil_pixels(struct gl_context *ctx, + const GLint srcX, const GLint srcY, + const GLint width, const GLint height, + const GLint destX, const GLint destY) +{ + struct gl_renderbuffer *stencilReadRb, *depthReadRb, *depthDrawRb; + GLint sy, dy, stepy; + GLint j; + GLubyte *tempStencilImage = NULL, *stencilPtr = NULL; + GLfloat *tempDepthImage = NULL, *depthPtr = NULL; + const GLfloat depthScale = ctx->DrawBuffer->_DepthMaxF; + const GLuint stencilMask = ctx->Stencil.WriteMask[0]; + const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; + const GLboolean scaleOrBias + = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0; + GLint overlapping; + + depthDrawRb = ctx->DrawBuffer->_DepthBuffer; + depthReadRb = ctx->ReadBuffer->_DepthBuffer; + stencilReadRb = ctx->ReadBuffer->_StencilBuffer; + + ASSERT(depthDrawRb); + ASSERT(depthReadRb); + ASSERT(stencilReadRb); + + if (ctx->DrawBuffer == ctx->ReadBuffer) { + overlapping = regions_overlap(srcX, srcY, destX, destY, width, height, + ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); + } + else { + overlapping = GL_FALSE; + } + + /* Determine if copy should be bottom-to-top or top-to-bottom */ + if (!overlapping && srcY < destY) { + /* top-down max-to-min */ + sy = srcY + height - 1; + dy = destY + height - 1; + stepy = -1; + } + else { + /* bottom-up min-to-max */ + sy = srcY; + dy = destY; + stepy = 1; + } + + if (overlapping) { + GLint ssy = sy; + + if (stencilMask != 0x0) { + tempStencilImage + = (GLubyte *) malloc(width * height * sizeof(GLubyte)); + if (!tempStencilImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); + return; + } + + /* get copy of stencil pixels */ + stencilPtr = tempStencilImage; + for (j = 0; j < height; j++, ssy += stepy) { + _swrast_read_stencil_span(ctx, stencilReadRb, + width, srcX, ssy, stencilPtr); + stencilPtr += width; + } + stencilPtr = tempStencilImage; + } + + if (ctx->Depth.Mask) { + tempDepthImage + = (GLfloat *) malloc(width * height * sizeof(GLfloat)); + if (!tempDepthImage) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); + free(tempStencilImage); + return; + } + + /* get copy of depth pixels */ + depthPtr = tempDepthImage; + for (j = 0; j < height; j++, ssy += stepy) { + _swrast_read_depth_span_float(ctx, depthReadRb, + width, srcX, ssy, depthPtr); + depthPtr += width; + } + depthPtr = tempDepthImage; + } + } + + for (j = 0; j < height; j++, sy += stepy, dy += stepy) { + if (stencilMask != 0x0) { + GLubyte stencil[MAX_WIDTH]; + + /* Get stencil values */ + if (overlapping) { + memcpy(stencil, stencilPtr, width * sizeof(GLubyte)); + stencilPtr += width; + } + else { + _swrast_read_stencil_span(ctx, stencilReadRb, + width, srcX, sy, stencil); + } + + _mesa_apply_stencil_transfer_ops(ctx, width, stencil); + + /* Write values */ + if (zoom) { + _swrast_write_zoomed_stencil_span(ctx, destX, destY, width, + destX, dy, stencil); + } + else { + _swrast_write_stencil_span( ctx, width, destX, dy, stencil ); + } + } + + if (ctx->Depth.Mask) { + GLfloat depth[MAX_WIDTH]; + GLuint zVals32[MAX_WIDTH]; + GLushort zVals16[MAX_WIDTH]; + GLvoid *zVals; + GLuint zBytes; + + /* get depth values */ + if (overlapping) { + memcpy(depth, depthPtr, width * sizeof(GLfloat)); + depthPtr += width; + } + else { + _swrast_read_depth_span_float(ctx, depthReadRb, + width, srcX, sy, depth); + } + + /* scale & bias */ + if (scaleOrBias) { + _mesa_scale_and_bias_depth(ctx, width, depth); + } + /* convert to integer Z values */ + if (depthDrawRb->DataType == GL_UNSIGNED_SHORT) { + GLint k; + for (k = 0; k < width; k++) + zVals16[k] = (GLushort) (depth[k] * depthScale); + zVals = zVals16; + zBytes = 2; + } + else { + GLint k; + for (k = 0; k < width; k++) + zVals32[k] = (GLuint) (depth[k] * depthScale); + zVals = zVals32; + zBytes = 4; + } + + /* Write values */ + if (zoom) { + _swrast_write_zoomed_z_span(ctx, destX, destY, width, + destX, dy, zVals); + } + else { + _swrast_put_row(ctx, depthDrawRb, width, destX, dy, zVals, zBytes); + } + } + } + + if (tempStencilImage) + free(tempStencilImage); + + if (tempDepthImage) + free(tempDepthImage); +} + + + +/** + * Try to do a fast copy pixels. + */ +static GLboolean +fast_copy_pixels(struct gl_context *ctx, + GLint srcX, GLint srcY, GLsizei width, GLsizei height, + GLint dstX, GLint dstY, GLenum type) +{ + struct gl_framebuffer *srcFb = ctx->ReadBuffer; + struct gl_framebuffer *dstFb = ctx->DrawBuffer; + struct gl_renderbuffer *srcRb, *dstRb; + GLint row, yStep; + + if (SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 || + ctx->Pixel.ZoomX != 1.0F || + ctx->Pixel.ZoomY != 1.0F || + ctx->_ImageTransferState) { + /* can't handle these */ + return GL_FALSE; + } + + if (type == GL_COLOR) { + if (dstFb->_NumColorDrawBuffers != 1) + return GL_FALSE; + srcRb = srcFb->_ColorReadBuffer; + dstRb = dstFb->_ColorDrawBuffers[0]; + } + else if (type == GL_STENCIL) { + srcRb = srcFb->_StencilBuffer; + dstRb = dstFb->_StencilBuffer; + } + else if (type == GL_DEPTH) { + srcRb = srcFb->_DepthBuffer; + dstRb = dstFb->_DepthBuffer; + } + else { + ASSERT(type == GL_DEPTH_STENCIL_EXT); + /* XXX correct? */ + srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer; + dstRb = dstFb->Attachment[BUFFER_DEPTH].Renderbuffer; + } + + /* src and dst renderbuffers must be same format and type */ + if (!srcRb || !dstRb || + srcRb->DataType != dstRb->DataType || + srcRb->_BaseFormat != dstRb->_BaseFormat) { + return GL_FALSE; + } + + /* clipping not supported */ + if (srcX < 0 || srcX + width > (GLint) srcFb->Width || + srcY < 0 || srcY + height > (GLint) srcFb->Height || + dstX < dstFb->_Xmin || dstX + width > dstFb->_Xmax || + dstY < dstFb->_Ymin || dstY + height > dstFb->_Ymax) { + return GL_FALSE; + } + + /* overlapping src/dst doesn't matter, just determine Y direction */ + if (srcY < dstY) { + /* top-down max-to-min */ + srcY = srcY + height - 1; + dstY = dstY + height - 1; + yStep = -1; + } + else { + /* bottom-up min-to-max */ + yStep = 1; + } + + for (row = 0; row < height; row++) { + GLuint temp[MAX_WIDTH][4]; + srcRb->GetRow(ctx, srcRb, width, srcX, srcY, temp); + dstRb->PutRow(ctx, dstRb, width, dstX, dstY, temp, NULL); + srcY += yStep; + dstY += yStep; + } + + return GL_TRUE; +} + + +/** + * Do software-based glCopyPixels. + * By time we get here, all parameters will have been error-checked. + */ +void +_swrast_CopyPixels( struct gl_context *ctx, + GLint srcx, GLint srcy, GLsizei width, GLsizei height, + GLint destx, GLint desty, GLenum type ) +{ + SWcontext *swrast = SWRAST_CONTEXT(ctx); + swrast_render_start(ctx); + + if (!_mesa_check_conditional_render(ctx)) + return; /* don't copy */ + + if (swrast->NewState) + _swrast_validate_derived( ctx ); + + if (!fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) { + switch (type) { + case GL_COLOR: + copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty ); + break; + case GL_DEPTH: + copy_depth_pixels( ctx, srcx, srcy, width, height, destx, desty ); + break; + case GL_STENCIL: + copy_stencil_pixels( ctx, srcx, srcy, width, height, destx, desty ); + break; + case GL_DEPTH_STENCIL_EXT: + copy_depth_stencil_pixels(ctx, srcx, srcy, width, height, destx, desty); + break; + default: + _mesa_problem(ctx, "unexpected type in _swrast_CopyPixels"); + } + } + + swrast_render_finish(ctx); +} diff --git a/mesalib/src/mesa/swrast/s_depth.c b/mesalib/src/mesa/swrast/s_depth.c index 6ffa0a310..8d3ad105b 100644 --- a/mesalib/src/mesa/swrast/s_depth.c +++ b/mesalib/src/mesa/swrast/s_depth.c @@ -1248,8 +1248,7 @@ _swrast_depth_bounds_test( struct gl_context *ctx, SWspan *span ) * Read a span of depth values from the given depth renderbuffer, returning * the values as GLfloats. * This function does clipping to prevent reading outside the depth buffer's - * bounds. Though the clipping is redundant when we're called from - * _swrast_ReadPixels. + * bounds. */ void _swrast_read_depth_span_float( struct gl_context *ctx, struct gl_renderbuffer *rb, diff --git a/mesalib/src/mesa/swrast/s_drawpix.c b/mesalib/src/mesa/swrast/s_drawpix.c index 20bf4d626..b6c433753 100644 --- a/mesalib/src/mesa/swrast/s_drawpix.c +++ b/mesalib/src/mesa/swrast/s_drawpix.c @@ -320,6 +320,7 @@ draw_stencil_pixels( struct gl_context *ctx, GLint x, GLint y, const GLvoid *pixels ) { const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0; + const GLenum destType = GL_UNSIGNED_BYTE; GLint skipPixels; /* if width > MAX_WIDTH, have to process image in chunks */ @@ -330,9 +331,7 @@ draw_stencil_pixels( struct gl_context *ctx, GLint x, GLint y, GLint row; for (row = 0; row < height; row++) { const GLint spanY = y + row; - GLstencil values[MAX_WIDTH]; - GLenum destType = (sizeof(GLstencil) == sizeof(GLubyte)) - ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT; + GLubyte values[MAX_WIDTH]; const GLvoid *source = _mesa_image_address2d(unpack, pixels, width, height, GL_STENCIL_INDEX, type, @@ -570,8 +569,7 @@ draw_depth_stencil_pixels(struct gl_context *ctx, GLint x, GLint y, = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0; const GLuint depthMax = ctx->DrawBuffer->_DepthMax; const GLuint stencilMask = ctx->Stencil.WriteMask[0]; - const GLuint stencilType = (STENCIL_BITS == 8) ? - GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT; + const GLenum stencilType = GL_UNSIGNED_BYTE; const GLboolean zoom = ctx->Pixel.ZoomX != 1.0 || ctx->Pixel.ZoomY != 1.0; struct gl_renderbuffer *depthRb, *stencilRb; struct gl_pixelstore_attrib clippedUnpack = *unpack; @@ -672,7 +670,7 @@ draw_depth_stencil_pixels(struct gl_context *ctx, GLint x, GLint y, } if (stencilMask != 0x0) { - GLstencil stencilValues[MAX_WIDTH]; + GLubyte stencilValues[MAX_WIDTH]; /* get stencil values, with shift/offset/mapping */ _mesa_unpack_stencil_span(ctx, width, stencilType, stencilValues, type, depthStencilSrc, &clippedUnpack, diff --git a/mesalib/src/mesa/swrast/s_readpix.c b/mesalib/src/mesa/swrast/s_readpix.c deleted file mode 100644 index 3cef7304a..000000000 --- a/mesalib/src/mesa/swrast/s_readpix.c +++ /dev/null @@ -1,522 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.0.3 - * - * Copyright (C) 1999-2007 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. - */ - - -#include "main/glheader.h" -#include "main/colormac.h" -#include "main/feedback.h" -#include "main/formats.h" -#include "main/format_unpack.h" -#include "main/image.h" -#include "main/imports.h" -#include "main/macros.h" -#include "main/pack.h" -#include "main/pbo.h" -#include "main/state.h" - -#include "s_context.h" -#include "s_depth.h" -#include "s_span.h" -#include "s_stencil.h" - -/** - * Tries to implement glReadPixels() of GL_DEPTH_COMPONENT using memcpy of the - * mapping. - */ -static GLboolean -fast_read_depth_pixels( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum type, GLvoid *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - GLubyte *map, *dst; - int stride, dstStride, j; - - if (ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0) - return GL_FALSE; - - if (packing->SwapBytes) - return GL_FALSE; - - if (_mesa_get_format_datatype(rb->Format) != GL_UNSIGNED_INT) - return GL_FALSE; - - if (!((type == GL_UNSIGNED_SHORT && rb->Format == MESA_FORMAT_Z16) || - type == GL_UNSIGNED_INT)) - return GL_FALSE; - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - dstStride = _mesa_image_row_stride(packing, width, GL_DEPTH_COMPONENT, type); - dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, - GL_DEPTH_COMPONENT, type, 0, 0); - - for (j = 0; j < height; j++) { - if (type == GL_UNSIGNED_INT) { - _mesa_unpack_uint_z_row(rb->Format, width, map, (GLuint *)dst); - } else { - ASSERT(type == GL_UNSIGNED_SHORT && rb->Format == MESA_FORMAT_Z16); - memcpy(dst, map, width * 2); - } - - map += stride; - dst += dstStride; - } - ctx->Driver.UnmapRenderbuffer(ctx, rb); - - return GL_TRUE; -} - -/** - * Read pixels for format=GL_DEPTH_COMPONENT. - */ -static void -read_depth_pixels( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum type, GLvoid *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - GLint j; - GLubyte *dst, *map; - int dstStride, stride; - - if (!rb) - return; - - /* clipping should have been done already */ - ASSERT(x >= 0); - ASSERT(y >= 0); - ASSERT(x + width <= (GLint) rb->Width); - ASSERT(y + height <= (GLint) rb->Height); - /* width should never be > MAX_WIDTH since we did clipping earlier */ - ASSERT(width <= MAX_WIDTH); - - if (fast_read_depth_pixels(ctx, x, y, width, height, type, pixels, packing)) - return; - - dstStride = _mesa_image_row_stride(packing, width, GL_DEPTH_COMPONENT, type); - dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, - GL_DEPTH_COMPONENT, type, 0, 0); - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - /* General case (slower) */ - for (j = 0; j < height; j++, y++) { - GLfloat depthValues[MAX_WIDTH]; - _mesa_unpack_float_z_row(rb->Format, width, map, depthValues); - _mesa_pack_depth_span(ctx, width, dst, type, depthValues, packing); - - dst += dstStride; - map += stride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, rb); -} - - -/** - * Read pixels for format=GL_STENCIL_INDEX. - */ -static void -read_stencil_pixels( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum type, GLvoid *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer; - GLint j; - GLubyte *map; - GLint stride; - - if (!rb) - return; - - /* width should never be > MAX_WIDTH since we did clipping earlier */ - ASSERT(width <= MAX_WIDTH); - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - /* process image row by row */ - for (j = 0; j < height; j++) { - GLvoid *dest; - GLstencil stencil[MAX_WIDTH]; - - _mesa_unpack_ubyte_stencil_row(rb->Format, width, map, stencil); - dest = _mesa_image_address2d(packing, pixels, width, height, - GL_STENCIL_INDEX, type, j, 0); - - _mesa_pack_stencil_span(ctx, width, type, dest, stencil, packing); - - map += stride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, rb); -} - -static GLboolean -fast_read_rgba_pixels_memcpy( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - GLvoid *pixels, - const struct gl_pixelstore_attrib *packing, - GLbitfield transferOps ) -{ - struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; - GLubyte *dst, *map; - int dstStride, stride, j, texelBytes; - - if (!_mesa_format_matches_format_and_type(rb->Format, format, type)) - return GL_FALSE; - - /* check for things we can't handle here */ - if (packing->SwapBytes || - packing->LsbFirst) { - return GL_FALSE; - } - - dstStride = _mesa_image_row_stride(packing, width, format, type); - dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, - format, type, 0, 0); - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - texelBytes = _mesa_get_format_bytes(rb->Format); - for (j = 0; j < height; j++) { - memcpy(dst, map, width * texelBytes); - dst += dstStride; - map += stride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, rb); - - return GL_TRUE; -} - -static GLboolean -slow_read_rgba_pixels( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - GLvoid *pixels, - const struct gl_pixelstore_attrib *packing, - GLbitfield transferOps ) -{ - struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; - const gl_format rbFormat = _mesa_get_srgb_format_linear(rb->Format); - union { - float f[MAX_WIDTH][4]; - unsigned int i[MAX_WIDTH][4]; - } rgba; - GLubyte *dst, *map; - int dstStride, stride, j; - - dstStride = _mesa_image_row_stride(packing, width, format, type); - dst = (GLubyte *) _mesa_image_address2d(packing, pixels, width, height, - format, type, 0, 0); - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - for (j = 0; j < height; j++) { - if (_mesa_is_integer_format(format)) { - _mesa_unpack_int_rgba_row(rbFormat, width, map, rgba.i); - _mesa_pack_rgba_span_int(ctx, width, rgba.i, format, type, dst); - } else { - _mesa_unpack_rgba_row(rbFormat, width, map, rgba.f); - _mesa_pack_rgba_span_float(ctx, width, rgba.f, format, type, dst, - packing, transferOps); - } - dst += dstStride; - map += stride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, rb); - - return GL_TRUE; -} - -/* - * Read R, G, B, A, RGB, L, or LA pixels. - */ -static void -read_rgba_pixels( struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, GLvoid *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - GLbitfield transferOps = ctx->_ImageTransferState; - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->_ColorReadBuffer; - - if (!rb) - return; - - if ((ctx->Color._ClampReadColor == GL_TRUE || type != GL_FLOAT) && - !_mesa_is_integer_format(format)) { - transferOps |= IMAGE_CLAMP_BIT; - } - - if (!transferOps) { - /* Try the optimized paths first. */ - if (fast_read_rgba_pixels_memcpy(ctx, x, y, width, height, - format, type, pixels, packing, - transferOps)) { - return; - } - } - - slow_read_rgba_pixels(ctx, x, y, width, height, - format, type, pixels, packing, transferOps); -} - -/** - * For a packed depth/stencil buffer being read as depth/stencil, just memcpy the - * data (possibly swapping 8/24 vs 24/8 as we go). - */ -static GLboolean -fast_read_depth_stencil_pixels(struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLubyte *dst, int dstStride) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *rb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - struct gl_renderbuffer *stencilRb = fb->Attachment[BUFFER_STENCIL].Renderbuffer; - GLubyte *map; - int stride, i; - - if (rb != stencilRb) - return GL_FALSE; - - if (rb->Format != MESA_FORMAT_Z24_S8 && - rb->Format != MESA_FORMAT_S8_Z24) - return GL_FALSE; - - ctx->Driver.MapRenderbuffer(ctx, rb, x, y, width, height, GL_MAP_READ_BIT, - &map, &stride); - - for (i = 0; i < height; i++) { - _mesa_unpack_uint_24_8_depth_stencil_row(rb->Format, width, - map, (GLuint *)dst); - map += stride; - dst += dstStride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, rb); - - return GL_TRUE; -} - - -/** - * For non-float-depth and stencil buffers being read as 24/8 depth/stencil, - * copy the integer data directly instead of converting depth to float and - * re-packing. - */ -static GLboolean -fast_read_depth_stencil_pixels_separate(struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - uint32_t *dst, int dstStride) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - struct gl_renderbuffer *stencilRb = fb->Attachment[BUFFER_STENCIL].Renderbuffer; - GLubyte *depthMap, *stencilMap; - int depthStride, stencilStride, i, j; - - if (_mesa_get_format_datatype(depthRb->Format) != GL_UNSIGNED_INT) - return GL_FALSE; - - ctx->Driver.MapRenderbuffer(ctx, depthRb, x, y, width, height, - GL_MAP_READ_BIT, &depthMap, &depthStride); - ctx->Driver.MapRenderbuffer(ctx, stencilRb, x, y, width, height, - GL_MAP_READ_BIT, &stencilMap, &stencilStride); - - for (j = 0; j < height; j++) { - GLstencil stencilVals[MAX_WIDTH]; - - _mesa_unpack_uint_z_row(depthRb->Format, width, depthMap, dst); - _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width, - stencilMap, stencilVals); - - for (i = 0; i < width; i++) { - dst[i] = (dst[i] & 0xffffff00) | stencilVals[i]; - } - - depthMap += depthStride; - stencilMap += stencilStride; - dst += dstStride / 4; - } - - ctx->Driver.UnmapRenderbuffer(ctx, depthRb); - ctx->Driver.UnmapRenderbuffer(ctx, stencilRb); - - return GL_TRUE; -} - -static void -slow_read_depth_stencil_pixels_separate(struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum type, - const struct gl_pixelstore_attrib *packing, - GLubyte *dst, int dstStride) -{ - struct gl_framebuffer *fb = ctx->ReadBuffer; - struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer; - struct gl_renderbuffer *stencilRb = fb->Attachment[BUFFER_STENCIL].Renderbuffer; - GLubyte *depthMap, *stencilMap; - int depthStride, stencilStride, j; - - ctx->Driver.MapRenderbuffer(ctx, depthRb, x, y, width, height, - GL_MAP_READ_BIT, &depthMap, &depthStride); - ctx->Driver.MapRenderbuffer(ctx, stencilRb, x, y, width, height, - GL_MAP_READ_BIT, &stencilMap, &stencilStride); - - for (j = 0; j < height; j++) { - GLstencil stencilVals[MAX_WIDTH]; - GLfloat depthVals[MAX_WIDTH]; - - _mesa_unpack_float_z_row(depthRb->Format, width, depthMap, depthVals); - _mesa_unpack_ubyte_stencil_row(stencilRb->Format, width, - stencilMap, stencilVals); - - _mesa_pack_depth_stencil_span(ctx, width, type, (GLuint *)dst, - depthVals, stencilVals, packing); - - depthMap += depthStride; - stencilMap += stencilStride; - dst += dstStride; - } - - ctx->Driver.UnmapRenderbuffer(ctx, depthRb); - ctx->Driver.UnmapRenderbuffer(ctx, stencilRb); -} - - -/** - * Read combined depth/stencil values. - * We'll have already done error checking to be sure the expected - * depth and stencil buffers really exist. - */ -static void -read_depth_stencil_pixels(struct gl_context *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum type, GLvoid *pixels, - const struct gl_pixelstore_attrib *packing ) -{ - const GLboolean scaleOrBias - = ctx->Pixel.DepthScale != 1.0 || ctx->Pixel.DepthBias != 0.0; - const GLboolean stencilTransfer = ctx->Pixel.IndexShift - || ctx->Pixel.IndexOffset || ctx->Pixel.MapStencilFlag; - GLubyte *dst; - int dstStride; - - dst = (GLubyte *) _mesa_image_address2d(packing, pixels, - width, height, - GL_DEPTH_STENCIL_EXT, - type, 0, 0); - dstStride = _mesa_image_row_stride(packing, width, - GL_DEPTH_STENCIL_EXT, type); - - /* Fast 24/8 reads. */ - if (type == GL_UNSIGNED_INT_24_8 && - !scaleOrBias && !stencilTransfer && !packing->SwapBytes) { - if (fast_read_depth_stencil_pixels(ctx, x, y, width, height, - dst, dstStride)) - return; - - if (fast_read_depth_stencil_pixels_separate(ctx, x, y, width, height, - (uint32_t *)dst, dstStride)) - return; - } - - slow_read_depth_stencil_pixels_separate(ctx, x, y, width, height, - type, packing, - dst, dstStride); -} - - - -/** - * Software fallback routine for ctx->Driver.ReadPixels(). - * By time we get here, all error checking will have been done. - */ -void -_swrast_ReadPixels( struct gl_context *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *packing, - GLvoid *pixels ) -{ - struct gl_pixelstore_attrib clippedPacking = *packing; - - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Do all needed clipping here, so that we can forget about it later */ - if (_mesa_clip_readpixels(ctx, &x, &y, &width, &height, &clippedPacking)) { - - pixels = _mesa_map_pbo_dest(ctx, &clippedPacking, pixels); - - if (pixels) { - switch (format) { - case GL_STENCIL_INDEX: - read_stencil_pixels(ctx, x, y, width, height, type, pixels, - &clippedPacking); - break; - case GL_DEPTH_COMPONENT: - read_depth_pixels(ctx, x, y, width, height, type, pixels, - &clippedPacking); - break; - case GL_DEPTH_STENCIL_EXT: - read_depth_stencil_pixels(ctx, x, y, width, height, type, pixels, - &clippedPacking); - break; - default: - /* all other formats should be color formats */ - read_rgba_pixels(ctx, x, y, width, height, format, type, pixels, - &clippedPacking); - } - - _mesa_unmap_pbo_dest(ctx, &clippedPacking); - } - } -} diff --git a/mesalib/src/mesa/swrast/s_stencil.c b/mesalib/src/mesa/swrast/s_stencil.c index e713e2393..101ee5056 100644 --- a/mesalib/src/mesa/swrast/s_stencil.c +++ b/mesalib/src/mesa/swrast/s_stencil.c @@ -62,12 +62,12 @@ ENDIF */ static void apply_stencil_op( const struct gl_context *ctx, GLenum oper, GLuint face, - GLuint n, GLstencil stencil[], const GLubyte mask[] ) + GLuint n, GLubyte stencil[], const GLubyte mask[] ) { - const GLstencil ref = ctx->Stencil.Ref[face]; - const GLstencil wrtmask = ctx->Stencil.WriteMask[face]; - const GLstencil invmask = (GLstencil) (~wrtmask); - const GLstencil stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1; + const GLubyte ref = ctx->Stencil.Ref[face]; + const GLubyte wrtmask = ctx->Stencil.WriteMask[face]; + const GLubyte invmask = (GLubyte) (~wrtmask); + const GLubyte stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1; GLuint i; switch (oper) { @@ -85,7 +85,7 @@ apply_stencil_op( const struct gl_context *ctx, GLenum oper, GLuint face, else { for (i=0;i0) { - stencil[i] = (GLstencil) (s-1); + stencil[i] = (GLubyte) (s-1); } } } @@ -145,9 +145,9 @@ apply_stencil_op( const struct gl_context *ctx, GLenum oper, GLuint face, for (i=0;i0) { - stencil[i] = (GLstencil) ((invmask & s) | (wrtmask & (s-1))); + stencil[i] = (GLubyte) ((invmask & s) | (wrtmask & (s-1))); } } } @@ -164,8 +164,8 @@ apply_stencil_op( const struct gl_context *ctx, GLenum oper, GLuint face, else { for (i=0;iStencil.ValueMask[face]; - const GLstencil r = (GLstencil) (ctx->Stencil.Ref[face] & valueMask); - GLstencil s; + const GLubyte r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); + GLubyte s; ASSERT(n <= MAX_WIDTH); @@ -263,7 +263,7 @@ do_stencil_test( struct gl_context *ctx, GLuint face, GLuint n, GLstencil stenci case GL_LESS: for (i=0;i s) { /* passed */ fail[i] = 0; @@ -317,7 +317,7 @@ do_stencil_test( struct gl_context *ctx, GLuint face, GLuint n, GLstencil stenci case GL_GEQUAL: for (i=0;i= s) { /* passed */ fail[i] = 0; @@ -335,7 +335,7 @@ do_stencil_test( struct gl_context *ctx, GLuint face, GLuint n, GLstencil stenci case GL_EQUAL: for (i=0;iDrawBuffer; struct gl_renderbuffer *rb = fb->_StencilBuffer; - GLstencil stencilRow[MAX_WIDTH]; - GLstencil *stencil; + GLubyte stencilRow[MAX_WIDTH]; + GLubyte *stencil; const GLuint n = span->end; const GLint x = span->x; const GLint y = span->y; @@ -438,7 +438,7 @@ stencil_and_ztest_span(struct gl_context *ctx, SWspan *span, GLuint face) } #endif - stencil = (GLstencil *) rb->GetPointer(ctx, rb, x, y); + stencil = (GLubyte *) rb->GetPointer(ctx, rb, x, y); if (!stencil) { rb->GetRow(ctx, rb, n, x, y, stencilRow); stencil = stencilRow; @@ -531,16 +531,15 @@ apply_stencil_op_to_pixels( struct gl_context *ctx, { struct gl_framebuffer *fb = ctx->DrawBuffer; struct gl_renderbuffer *rb = fb->_StencilBuffer; - const GLstencil stencilMax = (1 << fb->Visual.stencilBits) - 1; - const GLstencil ref = ctx->Stencil.Ref[face]; - const GLstencil wrtmask = ctx->Stencil.WriteMask[face]; - const GLstencil invmask = (GLstencil) (~wrtmask); + const GLubyte stencilMax = (1 << fb->Visual.stencilBits) - 1; + const GLubyte ref = ctx->Stencil.Ref[face]; + const GLubyte wrtmask = ctx->Stencil.WriteMask[face]; + const GLubyte invmask = (GLubyte) (~wrtmask); GLuint i; - GLstencil *stencilStart = (GLubyte *) rb->Data; + GLubyte *stencilStart = (GLubyte *) rb->Data; const GLuint stride = rb->Width; ASSERT(rb->GetPointer(ctx, rb, 0, 0)); - ASSERT(sizeof(GLstencil) == 1); switch (oper) { case GL_KEEP: @@ -550,7 +549,7 @@ apply_stencil_op_to_pixels( struct gl_context *ctx, if (invmask==0) { for (i=0;i0) { - *sptr = (GLstencil) (*sptr - 1); + *sptr = (GLubyte) (*sptr - 1); } } } @@ -618,9 +617,9 @@ apply_stencil_op_to_pixels( struct gl_context *ctx, else { for (i=0;i0) { - *sptr = (GLstencil) ((invmask & *sptr) | (wrtmask & (*sptr-1))); + *sptr = (GLubyte) ((invmask & *sptr) | (wrtmask & (*sptr-1))); } } } @@ -630,16 +629,16 @@ apply_stencil_op_to_pixels( struct gl_context *ctx, if (invmask==0) { for (i=0;iDrawBuffer; struct gl_renderbuffer *rb = fb->_StencilBuffer; GLubyte fail[MAX_WIDTH]; - GLstencil r, s; + GLubyte r, s; GLuint i; GLboolean allfail = GL_FALSE; const GLuint valueMask = ctx->Stencil.ValueMask[face]; - const GLstencil *stencilStart = (GLstencil *) rb->Data; + const GLubyte *stencilStart = (GLubyte *) rb->Data; const GLuint stride = rb->Width; ASSERT(rb->GetPointer(ctx, rb, 0, 0)); - ASSERT(sizeof(GLstencil) == 1); /* * Perform stencil test. The results of this operation are stored @@ -740,11 +738,11 @@ stencil_test_pixels( struct gl_context *ctx, GLuint face, GLuint n, allfail = GL_TRUE; break; case GL_LESS: - r = (GLstencil) (ctx->Stencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;iStencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;iStencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;i s) { /* passed */ fail[i] = 0; @@ -800,11 +798,11 @@ stencil_test_pixels( struct gl_context *ctx, GLuint face, GLuint n, } break; case GL_GEQUAL: - r = (GLstencil) (ctx->Stencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;i= s) { /* passed */ fail[i] = 0; @@ -820,11 +818,11 @@ stencil_test_pixels( struct gl_context *ctx, GLuint face, GLuint n, } break; case GL_EQUAL: - r = (GLstencil) (ctx->Stencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;iStencil.Ref[face] & valueMask); + r = (GLubyte) (ctx->Stencil.Ref[face] & valueMask); for (i=0;iGetPointer(ctx, rb, 0, 0)) { /* No direct access */ - GLstencil stencil[MAX_WIDTH]; + GLubyte stencil[MAX_WIDTH]; ASSERT(rb->DataType == GL_UNSIGNED_BYTE); _swrast_get_values(ctx, rb, n, x, y, stencil, sizeof(GLubyte)); @@ -1044,7 +1042,7 @@ clip_span(GLuint bufferWidth, GLuint bufferHeight, */ void _swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint n, GLint x, GLint y, GLstencil stencil[]) + GLint n, GLint x, GLint y, GLubyte stencil[]) { if (y < 0 || y >= (GLint) rb->Height || x + n <= 0 || x >= (GLint) rb->Width) { @@ -1081,7 +1079,7 @@ _swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb, */ void _swrast_write_stencil_span(struct gl_context *ctx, GLint n, GLint x, GLint y, - const GLstencil stencil[] ) + const GLubyte stencil[] ) { struct gl_framebuffer *fb = ctx->DrawBuffer; struct gl_renderbuffer *rb = fb->_StencilBuffer; @@ -1109,7 +1107,7 @@ _swrast_write_stencil_span(struct gl_context *ctx, GLint n, GLint x, GLint y, if ((stencilMask & stencilMax) != stencilMax) { /* need to apply writemask */ - GLstencil destVals[MAX_WIDTH], newVals[MAX_WIDTH]; + GLubyte destVals[MAX_WIDTH], newVals[MAX_WIDTH]; GLint i; rb->GetRow(ctx, rb, n, x, y, destVals); for (i = 0; i < n; i++) { diff --git a/mesalib/src/mesa/swrast/s_stencil.h b/mesalib/src/mesa/swrast/s_stencil.h index 0bcfb799f..37f3c8da1 100644 --- a/mesalib/src/mesa/swrast/s_stencil.h +++ b/mesalib/src/mesa/swrast/s_stencil.h @@ -1,53 +1,53 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2005 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. - */ - - -#ifndef S_STENCIL_H -#define S_STENCIL_H - - -#include "main/mtypes.h" -#include "s_span.h" - - - -extern GLboolean -_swrast_stencil_and_ztest_span(struct gl_context *ctx, SWspan *span); - - -extern void -_swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb, - GLint n, GLint x, GLint y, GLstencil stencil[]); - - -extern void -_swrast_write_stencil_span( struct gl_context *ctx, GLint n, GLint x, GLint y, - const GLstencil stencil[] ); - - -extern void -_swrast_clear_stencil_buffer( struct gl_context *ctx, struct gl_renderbuffer *rb ); - - -#endif +/* + * Mesa 3-D graphics library + * Version: 6.3 + * + * Copyright (C) 1999-2005 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. + */ + + +#ifndef S_STENCIL_H +#define S_STENCIL_H + + +#include "main/mtypes.h" +#include "s_span.h" + + + +extern GLboolean +_swrast_stencil_and_ztest_span(struct gl_context *ctx, SWspan *span); + + +extern void +_swrast_read_stencil_span(struct gl_context *ctx, struct gl_renderbuffer *rb, + GLint n, GLint x, GLint y, GLubyte stencil[]); + + +extern void +_swrast_write_stencil_span( struct gl_context *ctx, GLint n, GLint x, GLint y, + const GLubyte stencil[] ); + + +extern void +_swrast_clear_stencil_buffer( struct gl_context *ctx, struct gl_renderbuffer *rb ); + + +#endif diff --git a/mesalib/src/mesa/swrast/s_texrender.c b/mesalib/src/mesa/swrast/s_texrender.c index 83e7a6a03..3734ce6d5 100644 --- a/mesalib/src/mesa/swrast/s_texrender.c +++ b/mesalib/src/mesa/swrast/s_texrender.c @@ -567,6 +567,19 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att) trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat; trb->Base.Format = trb->TexImage->Base.TexFormat; + /* Set the gl_renderbuffer::Data field so that mapping the buffer + * in renderbuffer.c succeeds. + */ + if (att->Texture->Target == GL_TEXTURE_3D || + att->Texture->Target == GL_TEXTURE_2D_ARRAY_EXT) { + trb->Base.Data = trb->TexImage->Buffer + + trb->TexImage->ImageOffsets[trb->Zoffset] * + _mesa_get_format_bytes(trb->TexImage->Base.TexFormat); + } + else { + trb->Base.Data = trb->TexImage->Buffer; + } + /* XXX may need more special cases here */ switch (trb->TexImage->Base.TexFormat) { case MESA_FORMAT_Z24_S8: diff --git a/mesalib/src/mesa/swrast/s_zoom.c b/mesalib/src/mesa/swrast/s_zoom.c index 3fb784847..16bb997f3 100644 --- a/mesalib/src/mesa/swrast/s_zoom.c +++ b/mesalib/src/mesa/swrast/s_zoom.c @@ -351,9 +351,9 @@ _swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY, void _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY, GLint width, GLint spanX, GLint spanY, - const GLstencil stencil[]) + const GLubyte stencil[]) { - GLstencil zoomedVals[MAX_WIDTH]; + GLubyte zoomedVals[MAX_WIDTH]; GLint x0, x1, y0, y1, y; GLint i, zoomedWidth; diff --git a/mesalib/src/mesa/swrast/s_zoom.h b/mesalib/src/mesa/swrast/s_zoom.h index b8d17b5a4..0b82bb824 100644 --- a/mesalib/src/mesa/swrast/s_zoom.h +++ b/mesalib/src/mesa/swrast/s_zoom.h @@ -1,56 +1,56 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 1999-2005 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. - */ - -#ifndef S_ZOOM_H -#define S_ZOOM_H - -#include "main/mtypes.h" -#include "s_span.h" - - -extern void -_swrast_write_zoomed_rgba_span(struct gl_context *ctx, GLint imgX, GLint imgY, - const SWspan *span, const GLvoid *rgba); - -extern void -_swrast_write_zoomed_rgb_span(struct gl_context *ctx, GLint imgX, GLint imgY, - const SWspan *span, const GLvoid *rgb); - -extern void -_swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY, - const SWspan *span); - - -extern void -_swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY, - GLint width, GLint spanX, GLint spanY, - const GLstencil stencil[]); - -extern void -_swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY, - GLint width, GLint spanX, GLint spanY, - const GLvoid *z); - - -#endif +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2005 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. + */ + +#ifndef S_ZOOM_H +#define S_ZOOM_H + +#include "main/mtypes.h" +#include "s_span.h" + + +extern void +_swrast_write_zoomed_rgba_span(struct gl_context *ctx, GLint imgX, GLint imgY, + const SWspan *span, const GLvoid *rgba); + +extern void +_swrast_write_zoomed_rgb_span(struct gl_context *ctx, GLint imgX, GLint imgY, + const SWspan *span, const GLvoid *rgb); + +extern void +_swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY, + const SWspan *span); + + +extern void +_swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY, + GLint width, GLint spanX, GLint spanY, + const GLubyte stencil[]); + +extern void +_swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY, + GLint width, GLint spanX, GLint spanY, + const GLvoid *z); + + +#endif diff --git a/mesalib/src/mesa/swrast/swrast.h b/mesalib/src/mesa/swrast/swrast.h index 08d565ba0..17b66c664 100644 --- a/mesalib/src/mesa/swrast/swrast.h +++ b/mesalib/src/mesa/swrast/swrast.h @@ -118,13 +118,6 @@ _swrast_DrawPixels( struct gl_context *ctx, const struct gl_pixelstore_attrib *unpack, const GLvoid *pixels ); -extern void -_swrast_ReadPixels( struct gl_context *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - GLvoid *pixels ); - extern void _swrast_BlitFramebuffer(struct gl_context *ctx, GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, -- cgit v1.2.3