X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fswrast%2Fs_logic.c;h=f68273fd2a58e6455124aa0e31c34cf97ad3b08f;hb=7db56ddee07fb365832881e05205d98f281cea80;hp=aabe18d9c9a24f1025168cfc640a103a93098a50;hpb=e4b2356c07d31fbeeabb13b2fb47db703b473080;p=mesa.git diff --git a/src/mesa/swrast/s_logic.c b/src/mesa/swrast/s_logic.c index aabe18d9c9a..f68273fd2a5 100644 --- a/src/mesa/swrast/s_logic.c +++ b/src/mesa/swrast/s_logic.c @@ -1,8 +1,7 @@ /* * Mesa 3-D graphics library - * Version: 6.3 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 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"), @@ -17,36 +16,42 @@ * 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. */ -#include "glheader.h" -#include "context.h" -#include "imports.h" -#include "macros.h" +#include "main/glheader.h" +#include "main/context.h" +#include "main/imports.h" +#include "main/macros.h" #include "s_context.h" #include "s_logic.h" #include "s_span.h" -#define LOGIC_OP_LOOP(MODE) \ +/** + * We do all logic ops on 4-byte GLuints. + * Depending on bytes per pixel, the mask array elements correspond to + * 1, 2 or 4 GLuints. + */ +#define LOGIC_OP_LOOP(MODE, MASKSTRIDE) \ do { \ GLuint i; \ switch (MODE) { \ case GL_CLEAR: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = 0; \ } \ } \ break; \ case GL_SET: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~0; \ } \ } \ @@ -56,91 +61,91 @@ do { \ break; \ case GL_COPY_INVERTED: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~src[i]; \ } \ } \ break; \ case GL_NOOP: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = dest[i]; \ } \ } \ break; \ case GL_INVERT: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~dest[i]; \ } \ } \ break; \ case GL_AND: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] &= dest[i]; \ } \ } \ break; \ case GL_NAND: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~(src[i] & dest[i]); \ } \ } \ break; \ case GL_OR: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] |= dest[i]; \ } \ } \ break; \ case GL_NOR: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~(src[i] | dest[i]); \ } \ } \ break; \ case GL_XOR: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] ^= dest[i]; \ } \ } \ break; \ case GL_EQUIV: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~(src[i] ^ dest[i]); \ } \ } \ break; \ case GL_AND_REVERSE: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = src[i] & ~dest[i]; \ } \ } \ break; \ case GL_AND_INVERTED: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~src[i] & dest[i]; \ } \ } \ break; \ case GL_OR_REVERSE: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = src[i] | ~dest[i]; \ } \ } \ break; \ case GL_OR_INVERTED: \ for (i = 0; i < n; i++) { \ - if (mask[i]) { \ + if (mask[i / MASKSTRIDE]) { \ src[i] = ~src[i] | dest[i]; \ } \ } \ @@ -152,94 +157,62 @@ do { \ -static void -logicop_ubyte(GLcontext *ctx, GLuint n, GLubyte src[], const GLubyte dest[], +static inline void +logicop_uint1(struct gl_context *ctx, GLuint n, GLuint src[], const GLuint dest[], const GLubyte mask[]) { - LOGIC_OP_LOOP(ctx->Color.LogicOp); + LOGIC_OP_LOOP(ctx->Color.LogicOp, 1); } -static void -logicop_ushort(GLcontext *ctx, GLuint n, GLushort src[], const GLushort dest[], - const GLubyte mask[]) +static inline void +logicop_uint2(struct gl_context *ctx, GLuint n, GLuint src[], const GLuint dest[], + const GLubyte mask[]) { - LOGIC_OP_LOOP(ctx->Color.LogicOp); + LOGIC_OP_LOOP(ctx->Color.LogicOp, 2); } -static void -logicop_uint(GLcontext *ctx, GLuint n, GLuint src[], const GLuint dest[], - const GLubyte mask[]) +static inline void +logicop_uint4(struct gl_context *ctx, GLuint n, GLuint src[], const GLuint dest[], + const GLubyte mask[]) { - LOGIC_OP_LOOP(ctx->Color.LogicOp); + LOGIC_OP_LOOP(ctx->Color.LogicOp, 4); } -/* - * Apply the current logic operator to a span of CI pixels. This is only - * used if the device driver can't do logic ops. - */ -void -_swrast_logicop_ci_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLuint index[]) -{ - GLuint dest[MAX_WIDTH]; - - ASSERT(span->end < MAX_WIDTH); - - /* Read dest values from frame buffer */ - if (span->arrayMask & SPAN_XY) { - ASSERT(rb->DataType == GL_UNSIGNED_INT); - rb->GetValues(ctx, rb, span->end, span->array->x, span->array->y, dest); - } - else { - ASSERT(rb->DataType == GL_UNSIGNED_INT); - rb->GetRow(ctx, rb, span->end, span->x, span->y, dest); - } - - logicop_uint(ctx, span->end, index, dest, span->array->mask); -} - - /** * Apply the current logic operator to a span of RGBA pixels. * We can handle horizontal runs of pixels (spans) or arrays of x/y * pixel coordinates. */ void -_swrast_logicop_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLchan rgba[][4]) +_swrast_logicop_rgba_span(struct gl_context *ctx, struct gl_renderbuffer *rb, + SWspan *span) { - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GLchan dest[MAX_WIDTH][4]; + void *rbPixels; - ASSERT(span->end < MAX_WIDTH); + ASSERT(span->end < SWRAST_MAX_WIDTH); ASSERT(span->arrayMask & SPAN_RGBA); - if (span->arrayMask & SPAN_XY) { - swrast->Driver.ReadRGBAPixels(ctx, rb, span->end, - span->array->x, span->array->y, - dest, span->array->mask); + rbPixels = _swrast_get_dest_rgba(ctx, rb, span); + + if (span->array->ChanType == GL_UNSIGNED_BYTE) { + /* treat 4*GLubyte as GLuint */ + logicop_uint1(ctx, span->end, + (GLuint *) span->array->rgba8, + (const GLuint *) rbPixels, span->array->mask); + } + else if (span->array->ChanType == GL_UNSIGNED_SHORT) { + /* treat 2*GLushort as GLuint */ + logicop_uint2(ctx, 2 * span->end, + (GLuint *) span->array->rgba16, + (const GLuint *) rbPixels, span->array->mask); } else { - _swrast_read_rgba_span(ctx, rb, span->end, span->x, span->y, dest); + logicop_uint4(ctx, 4 * span->end, + (GLuint *) span->array->attribs[VARYING_SLOT_COL0], + (const GLuint *) rbPixels, span->array->mask); } - - /* NEW_RENDERBUFFER: XXX make this a runtime test */ -#if CHAN_TYPE == GL_UNSIGNED_BYTE - /* treat 4*GLubyte as GLuint */ - logicop_uint(ctx, span->end, (GLuint *) rgba, - (const GLuint *) dest, span->array->mask); -#elif CHAN_TYPE == GL_UNSIGNED_SHORT - logicop_ushort(ctx, 4 * span->end, (GLushort *) rgba, - (const GLushort *) dest, span->array->mask); -#elif CHAN_TYPE == GL_FLOAT - logicop_uint(ctx, 4 * span->end, (GLuint *) rgba, - (const GLuint *) dest, span->array->mask); -#endif - (void) logicop_ubyte; - (void) logicop_ushort; - (void) logicop_uint; }