X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmesa%2Fswrast%2Fs_masking.c;h=c10bf1ac2516e030ae66f937fde57865f0011929;hb=77630841da53ec90415aee37fcc0ec4cf76941e1;hp=0f2bde1b0a15d44d295c8aeab7c0fa132eb876ef;hpb=43715c711d2c1d1e7624cd7c9c8a44b8866510fd;p=mesa.git diff --git a/src/mesa/swrast/s_masking.c b/src/mesa/swrast/s_masking.c index 0f2bde1b0a1..c10bf1ac251 100644 --- a/src/mesa/swrast/s_masking.c +++ b/src/mesa/swrast/s_masking.c @@ -1,6 +1,5 @@ /* * Mesa 3-D graphics library - * Version: 6.5.2 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * @@ -17,9 +16,10 @@ * 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. + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. */ @@ -28,8 +28,8 @@ */ -#include "glheader.h" -#include "macros.h" +#include "main/glheader.h" +#include "main/macros.h" #include "s_context.h" #include "s_masking.h" @@ -38,79 +38,65 @@ /** * Apply the color mask to a span of rgba values. - * \param rgba the array of incoming colors */ void -_swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLchan rgba[][4]) +_swrast_mask_rgba_span(struct gl_context *ctx, struct gl_renderbuffer *rb, + SWspan *span, GLuint buf) { - GLchan dest[MAX_WIDTH][4]; -#if CHAN_BITS == 8 - GLuint srcMask = *((GLuint*)ctx->Color.ColorMask); - GLuint dstMask = ~srcMask; - GLuint *rgba32 = (GLuint *) rgba; - GLuint *dest32 = (GLuint *) dest; -#else - const GLboolean rMask = ctx->Color.ColorMask[RCOMP]; - const GLboolean gMask = ctx->Color.ColorMask[GCOMP]; - const GLboolean bMask = ctx->Color.ColorMask[BCOMP]; - const GLboolean aMask = ctx->Color.ColorMask[ACOMP]; -#endif const GLuint n = span->end; - GLuint i; + void *rbPixels; - ASSERT(n < MAX_WIDTH); - ASSERT(span->arrayMask & SPAN_RGBA); + assert(n < SWRAST_MAX_WIDTH); + assert(span->arrayMask & SPAN_RGBA); - if (span->arrayMask & SPAN_XY) { - _swrast_get_values(ctx, rb, n, span->array->x, span->array->y, - dest, 4 * sizeof(GLchan)); - } - else { - _swrast_read_rgba_span(ctx, rb, n, span->x, span->y, dest); - } + rbPixels = _swrast_get_dest_rgba(ctx, rb, span); -#if CHAN_BITS == 8 - for (i = 0; i < n; i++) { - rgba32[i] = (rgba32[i] & srcMask) | (dest32[i] & dstMask); + /* + * Do component masking. + * Note that we're not using span->array->mask[] here. We could... + */ + if (span->array->ChanType == GL_UNSIGNED_BYTE) { + GLuint srcMask; + memcpy(&srcMask, ctx->Color.ColorMask[buf], sizeof(srcMask)); + const GLuint dstMask = ~srcMask; + const GLuint *dst = (const GLuint *) rbPixels; + GLuint *src = (GLuint *) span->array->rgba8; + GLuint i; + for (i = 0; i < n; i++) { + src[i] = (src[i] & srcMask) | (dst[i] & dstMask); + } } -#else - for (i = 0; i < n; i++) { - if (!rMask) rgba[i][RCOMP] = dest[i][RCOMP]; - if (!gMask) rgba[i][GCOMP] = dest[i][GCOMP]; - if (!bMask) rgba[i][BCOMP] = dest[i][BCOMP]; - if (!aMask) rgba[i][ACOMP] = dest[i][ACOMP]; - } -#endif -} - - -/** - * Apply the index mask to a span of color index values. - * \param index the array of incoming color indexes - */ -void -_swrast_mask_ci_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLuint index[]) -{ - const GLuint srcMask = ctx->Color.IndexMask; - const GLuint dstMask = ~srcMask; - GLuint dest[MAX_WIDTH]; - GLuint i; - - ASSERT(span->arrayMask & SPAN_INDEX); - ASSERT(span->end <= MAX_WIDTH); - ASSERT(rb->DataType == GL_UNSIGNED_INT); - - if (span->arrayMask & SPAN_XY) { - _swrast_get_values(ctx, rb, span->end, span->array->x, span->array->y, - dest, sizeof(GLuint)); + else if (span->array->ChanType == GL_UNSIGNED_SHORT) { + /* 2-byte components */ + /* XXX try to use 64-bit arithmetic someday */ + const GLushort rMask = ctx->Color.ColorMask[buf][RCOMP] ? 0xffff : 0x0; + const GLushort gMask = ctx->Color.ColorMask[buf][GCOMP] ? 0xffff : 0x0; + const GLushort bMask = ctx->Color.ColorMask[buf][BCOMP] ? 0xffff : 0x0; + const GLushort aMask = ctx->Color.ColorMask[buf][ACOMP] ? 0xffff : 0x0; + const GLushort (*dst)[4] = (const GLushort (*)[4]) rbPixels; + GLushort (*src)[4] = span->array->rgba16; + GLuint i; + for (i = 0; i < n; i++) { + src[i][RCOMP] = (src[i][RCOMP] & rMask) | (dst[i][RCOMP] & ~rMask); + src[i][GCOMP] = (src[i][GCOMP] & gMask) | (dst[i][GCOMP] & ~gMask); + src[i][BCOMP] = (src[i][BCOMP] & bMask) | (dst[i][BCOMP] & ~bMask); + src[i][ACOMP] = (src[i][ACOMP] & aMask) | (dst[i][ACOMP] & ~aMask); + } } else { - _swrast_read_index_span(ctx, rb, span->end, span->x, span->y, dest); - } - - for (i = 0; i < span->end; i++) { - index[i] = (index[i] & srcMask) | (dest[i] & dstMask); + /* 4-byte components */ + const GLuint rMask = ctx->Color.ColorMask[buf][RCOMP] ? ~0x0 : 0x0; + const GLuint gMask = ctx->Color.ColorMask[buf][GCOMP] ? ~0x0 : 0x0; + const GLuint bMask = ctx->Color.ColorMask[buf][BCOMP] ? ~0x0 : 0x0; + const GLuint aMask = ctx->Color.ColorMask[buf][ACOMP] ? ~0x0 : 0x0; + const GLuint (*dst)[4] = (const GLuint (*)[4]) rbPixels; + GLuint (*src)[4] = (GLuint (*)[4]) span->array->attribs[VARYING_SLOT_COL0]; + GLuint i; + for (i = 0; i < n; i++) { + src[i][RCOMP] = (src[i][RCOMP] & rMask) | (dst[i][RCOMP] & ~rMask); + src[i][GCOMP] = (src[i][GCOMP] & gMask) | (dst[i][GCOMP] & ~gMask); + src[i][BCOMP] = (src[i][BCOMP] & bMask) | (dst[i][BCOMP] & ~bMask); + src[i][ACOMP] = (src[i][ACOMP] & aMask) | (dst[i][ACOMP] & ~aMask); + } } }