diff options
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r-- | src/mesa/drivers/ggi/ggimesa.c | 9 | ||||
-rw-r--r-- | src/mesa/drivers/glide/fxdd.c | 15 | ||||
-rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 1208 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa15.c | 8 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa15.h | 4 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa16.c | 10 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa16.h | 4 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa24.c | 12 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa24.h | 4 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa32.c | 8 | ||||
-rw-r--r-- | src/mesa/drivers/svga/svgamesa32.h | 4 | ||||
-rw-r--r-- | src/mesa/drivers/windows/wmesa.c | 6 | ||||
-rw-r--r-- | src/mesa/drivers/windows/wmesa_stereo.c | 4 | ||||
-rw-r--r-- | src/mesa/drivers/x11/xm_dd.c | 15 | ||||
-rw-r--r-- | src/mesa/drivers/x11/xm_span.c | 33 |
15 files changed, 706 insertions, 638 deletions
diff --git a/src/mesa/drivers/ggi/ggimesa.c b/src/mesa/drivers/ggi/ggimesa.c index cc22ba32b7e..6bcb2d17cd5 100644 --- a/src/mesa/drivers/ggi/ggimesa.c +++ b/src/mesa/drivers/ggi/ggimesa.c @@ -97,17 +97,16 @@ static void gl_ggiSetColor(GLcontext *ctx, GLubyte red, GLubyte green, GGICTX->color = col; } -static void gl_ggiSetClearColor(GLcontext *ctx, GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha) +static void gl_ggiSetClearColor(GLcontext *ctx, const GLchan color[4]) { ggi_color rgb; ggi_pixel col; GGIMESADPRINT_CORE("gl_ggiSetClearColor() called\n"); - rgb.r = (uint16)red << SHIFT; - rgb.g = (uint16)green << SHIFT; - rgb.b = (uint16)blue << SHIFT; + rgb.r = (uint16)color[0] << SHIFT; + rgb.g = (uint16)color[1] << SHIFT; + rgb.b = (uint16)color[2] << SHIFT; col = ggiMapColor(VIS, &rgb); ggiSetGCForeground(VIS, col); GGICTX->clearcolor = col; diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c index fe918a7eac3..d854ba9950f 100644 --- a/src/mesa/drivers/glide/fxdd.c +++ b/src/mesa/drivers/glide/fxdd.c @@ -128,22 +128,19 @@ static void fxDDBufferSize(GLcontext *ctx, GLuint *width, GLuint *height) /* Implements glClearColor() */ -static void fxDDClearColor(GLcontext *ctx, GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) +static void fxDDClearColor(GLcontext *ctx, const GLchan color[4]) { fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx; GLubyte col[4]; - - - ASSIGN_4V( col, red, green, blue, 255 ); - if (MESA_VERBOSE&VERBOSE_DRIVER) { - fprintf(stderr,"fxmesa: fxDDClearColor(%d,%d,%d,%d)\n",red,green,blue,alpha); + fprintf(stderr,"fxmesa: fxDDClearColor(%d,%d,%d,%d)\n", + color[0], color[1], color[2], color[3]); } - fxMesa->clearC=FXCOLOR4( col ); - fxMesa->clearA=alpha; + ASSIGN_4V( col, color[0], color[1], color[2], 255 ); + fxMesa->clearC = FXCOLOR4( col ); + fxMesa->clearA = color[3]; } diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index a5c58598677..36e306cf6ec 100644 --- a/src/mesa/drivers/osmesa/osmesa.c +++ b/src/mesa/drivers/osmesa/osmesa.c @@ -1,10 +1,10 @@ -/* $Id: osmesa.c,v 1.40 2001/01/23 23:39:36 brianp Exp $ */ +/* $Id: osmesa.c,v 1.41 2001/01/24 00:04:58 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.3 + * Version: 3.5 * - * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2001 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"), @@ -41,6 +41,7 @@ #include "glheader.h" #include "GL/osmesa.h" #include "context.h" +#include "colormac.h" #include "depth.h" #include "macros.h" #include "mem.h" @@ -75,13 +76,12 @@ struct osmesa_context { GLenum format; /* either GL_RGBA or GL_COLOR_INDEX */ void *buffer; /* the image buffer */ GLint width, height; /* size of image buffer */ - GLuint clearpixel; /* pixel for clearing the color buffer */ GLint rowlength; /* number of pixels per row */ GLint userRowLength; /* user-specified number of pixels per row */ GLint rshift, gshift; /* bit shifts for RGBA formats */ GLint bshift, ashift; - GLint rind, gind, bind; /* index offsets for RGBA formats */ - void *rowaddr[MAX_HEIGHT]; /* address of first pixel in each image row */ + GLint rInd, gInd, bInd, aInd;/* index offsets for RGBA formats */ + GLchan *rowaddr[MAX_HEIGHT]; /* address of first pixel in each image row */ GLboolean yup; /* TRUE -> Y increases upward */ /* FALSE -> Y increases downward */ }; @@ -132,16 +132,16 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, { OSMesaContext osmesa; GLint rshift, gshift, bshift, ashift; - GLint rind, gind, bind; + GLint rind, gind, bind, aind; GLint indexBits, redBits, greenBits, blueBits, alphaBits; GLboolean rgbmode; GLboolean swalpha; - GLuint i4 = 1; - GLubyte *i1 = (GLubyte *) &i4; - GLint little_endian = *i1; + const GLuint i4 = 1; + const GLubyte *i1 = (GLubyte *) &i4; + const GLint little_endian = *i1; swalpha = GL_FALSE; - rind = gind = bind = 0; + rind = gind = bind = aind = 0; if (format==OSMESA_COLOR_INDEX) { indexBits = 8; rshift = gshift = bshift = ashift = 0; @@ -153,6 +153,10 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, greenBits = 8; blueBits = 8; alphaBits = 8; + rind = 0; + gind = 1; + bind = 2; + aind = 3; if (little_endian) { rshift = 0; gshift = 8; @@ -173,6 +177,10 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, greenBits = 8; blueBits = 8; alphaBits = 8; + rind = 2; + gind = 1; + bind = 0; + aind = 3; if (little_endian) { ashift = 0; rshift = 8; @@ -193,6 +201,10 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, greenBits = 8; blueBits = 8; alphaBits = 8; + rind = 1; + gind = 2; + bind = 3; + aind = 0; if (little_endian) { bshift = 0; gshift = 8; @@ -217,9 +229,9 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, gshift = 8; rshift = 16; ashift = 24; - bind = 2; - gind = 1; rind = 0; + gind = 1; + bind = 2; rgbmode = GL_TRUE; swalpha = GL_TRUE; } @@ -233,9 +245,9 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, gshift = 8; rshift = 16; ashift = 24; - bind = 0; - gind = 1; rind = 2; + gind = 1; + bind = 0; rgbmode = GL_TRUE; swalpha = GL_TRUE; } @@ -295,7 +307,6 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, osmesa->buffer = NULL; osmesa->width = 0; osmesa->height = 0; - osmesa->clearpixel = 0; osmesa->userRowLength = 0; osmesa->rowlength = 0; osmesa->yup = GL_TRUE; @@ -303,9 +314,10 @@ OSMesaCreateContextExt( GLenum format, GLint depthBits, GLint stencilBits, osmesa->gshift = gshift; osmesa->bshift = bshift; osmesa->ashift = ashift; - osmesa->rind = rind; - osmesa->gind = gind; - osmesa->bind = bind; + osmesa->rInd = rind; + osmesa->gInd = gind; + osmesa->bInd = bind; + osmesa->aInd = aind; /* Initialize the software rasterizer and helper modules. @@ -349,56 +361,35 @@ void GLAPIENTRY OSMesaDestroyContext( OSMesaContext ctx ) */ static void compute_row_addresses( OSMesaContext ctx ) { - GLint i; + GLint bytesPerPixel, bytesPerRow, i; + GLubyte *origin = (GLubyte *) ctx->buffer; + + if (ctx->format == OSMESA_COLOR_INDEX) { + /* CI mode */ + bytesPerPixel = 1 * sizeof(GLchan); + } + else if ((ctx->format == OSMESA_RGB) || (ctx->format == OSMESA_BGR)) { + /* RGB mode */ + bytesPerPixel = 3 * sizeof(GLchan); + } + else { + /* RGBA mode */ + bytesPerPixel = 4 * sizeof(GLchan); + } + + bytesPerRow = ctx->rowlength * bytesPerPixel; if (ctx->yup) { /* Y=0 is bottom line of window */ - if (ctx->format==OSMESA_COLOR_INDEX) { - /* 1-byte CI mode */ - GLubyte *origin = (GLubyte *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + i * ctx->rowlength; - } - } - else { - if ((ctx->format==OSMESA_RGB) || (ctx->format==OSMESA_BGR)) { - /* 3-byte RGB mode */ - GLubyte *origin = (GLubyte *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + (i * (ctx->rowlength*3)); - } - } else { - /* 4-byte RGBA mode */ - GLuint *origin = (GLuint *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + i * ctx->rowlength; - } - } + for (i = 0; i < MAX_HEIGHT; i++) { + ctx->rowaddr[i] = (GLchan *) ((GLubyte *) origin + i * bytesPerRow); } } else { /* Y=0 is top line of window */ - if (ctx->format==OSMESA_COLOR_INDEX) { - /* 1-byte CI mode */ - GLubyte *origin = (GLubyte *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + (ctx->height-i-1) * ctx->rowlength; - } - } - else { - if ((ctx->format==OSMESA_RGB) || (ctx->format==OSMESA_BGR)) { - /* 3-byte RGB mode */ - GLubyte *origin = (GLubyte *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + ((ctx->height-i-1) * (ctx->rowlength*3)); - } - } else { - /* 4-byte RGBA mode */ - GLuint *origin = (GLuint *) ctx->buffer; - for (i=0;i<MAX_HEIGHT;i++) { - ctx->rowaddr[i] = origin + (ctx->height-i-1) * ctx->rowlength; - } - } + for (i = 0; i < MAX_HEIGHT; i++) { + GLint j = ctx->height - i - 1; + ctx->rowaddr[i] = (GLchan *) ((GLubyte *) origin + j * bytesPerRow); } } } @@ -435,8 +426,9 @@ GLboolean GLAPIENTRY OSMesaMakeCurrent( OSMesaContext ctx, void *buffer, GLenum type, GLsizei width, GLsizei height ) { - if (!ctx || !buffer || type!=GL_UNSIGNED_BYTE - || width<1 || height<1 || width>MAX_WIDTH || height>MAX_HEIGHT) { + if (!ctx || !buffer || type != CHAN_TYPE || + width < 1 || height < 1 || + width > MAX_WIDTH || height > MAX_HEIGHT) { return GL_FALSE; } @@ -596,25 +588,39 @@ OSMesaGetColorBuffer( OSMesaContext c, GLint *width, /* * Useful macros: */ -#define PACK_RGBA(R,G,B,A) ( ((R) << osmesa->rshift) \ - | ((G) << osmesa->gshift) \ - | ((B) << osmesa->bshift) \ - | ((A) << osmesa->ashift) ) -#define PACK_RGBA2(R,G,B,A) ( ((R) << rshift) \ - | ((G) << gshift) \ - | ((B) << bshift) \ - | ((A) << ashift) ) +#define PACK_RGBA(DST, R, G, B, A) \ +do { \ + (DST)[osmesa->rInd] = R; \ + (DST)[osmesa->gInd] = G; \ + (DST)[osmesa->bInd] = B; \ + (DST)[osmesa->aInd] = A; \ +} while (0) + +#define PACK_RGB(DST, R, G, B) \ +do { \ + (DST)[0] = R; \ + (DST)[1] = G; \ + (DST)[2] = B; \ +} while (0) -#define UNPACK_RED(P) (((P) >> osmesa->rshift) & 0xff) -#define UNPACK_GREEN(P) (((P) >> osmesa->gshift) & 0xff) -#define UNPACK_BLUE(P) (((P) >> osmesa->bshift) & 0xff) -#define UNPACK_ALPHA(P) (((P) >> osmesa->ashift) & 0xff) +#define PACK_BGR(DST, R, G, B) \ +do { \ + (DST)[0] = B; \ + (DST)[1] = G; \ + (DST)[2] = R; \ +} while (0) -#define PIXELADDR1(X,Y) ((GLubyte *) osmesa->rowaddr[Y] + (X)) -#define PIXELADDR3(X,Y) ((GLubyte *) osmesa->rowaddr[Y] + ((X)*3)) -#define PIXELADDR4(X,Y) ((GLuint *) osmesa->rowaddr[Y] + (X)) +#define UNPACK_RED(P) ( ((GLchan *) &(P))[osmesa->rInd] ) +#define UNPACK_GREEN(P) ( ((GLchan *) &(P))[osmesa->gInd] ) +#define UNPACK_BLUE(P) ( ((GLchan *) &(P))[osmesa->bInd] ) +#define UNPACK_ALPHA(P) ( ((GLchan *) &(P))[osmesa->aInd] ) + + +#define PIXELADDR1(X,Y) (osmesa->rowaddr[Y] + (X)) +#define PIXELADDR3(X,Y) (osmesa->rowaddr[Y] + 3 * (X)) +#define PIXELADDR4(X,Y) (osmesa->rowaddr[Y] + 4 * (X)) @@ -638,23 +644,6 @@ static void set_read_buffer( GLcontext *ctx, GLframebuffer *buffer, GLenum mode } -static void clear_index( GLcontext *ctx, GLuint index ) -{ - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - osmesa->clearpixel = index; -} - - - -static void clear_color( GLcontext *ctx, - GLchan r, GLchan g, GLchan b, GLchan a ) -{ - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - osmesa->clearpixel = PACK_RGBA( r, g, b, a ); -} - - - static GLbitfield clear( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ) { @@ -669,65 +658,102 @@ static GLbitfield clear( GLcontext *ctx, GLbitfield mask, GLboolean all, ASSERT((mask & (DD_FRONT_RIGHT_BIT | DD_BACK_LEFT_BIT | DD_BACK_RIGHT_BIT)) == 0); if (mask & DD_FRONT_LEFT_BIT) { - if (osmesa->format==OSMESA_COLOR_INDEX) { + if (osmesa->format == OSMESA_COLOR_INDEX) { if (all) { /* Clear whole CI buffer */ - MEMSET(osmesa->buffer, osmesa->clearpixel, +#if CHAN_TYPE == GL_UNSIGNED_BYTE + MEMSET(osmesa->buffer, ctx->Color.ClearIndex, osmesa->rowlength * osmesa->height); +#else + const GLint n = osmesa->rowlength * osmesa->height; + GLchan *buffer = (GLchan *) osmesa->buffer; + GLint i; + for (i = 0; i < n; i ++) { + buffer[i] = ctx->Color.ClearIndex; + } +#endif } else { /* Clear part of CI buffer */ + const GLchan clearIndex = (GLchan) ctx->Color.ClearIndex; GLint i, j; - for (i=0;i<height;i++) { - GLubyte *ptr1 = PIXELADDR1( x, (y+i) ); - for (j=0;j<width;j++) { - *ptr1++ = osmesa->clearpixel; + for (i = 0; i < height; i++) { + GLchan *ptr1 = PIXELADDR1(x, (y + i)); + for (j = 0; j < width; j++) { + *ptr1++ = clearIndex; } } } } - else if ((osmesa->format==OSMESA_RGB)||(osmesa->format==OSMESA_BGR)) { - GLubyte rval = UNPACK_RED(osmesa->clearpixel); - GLubyte gval = UNPACK_GREEN(osmesa->clearpixel); - GLubyte bval = UNPACK_BLUE(osmesa->clearpixel); - GLint rind = osmesa->rind; - GLint gind = osmesa->gind; - GLint bind = osmesa->bind; + else if (osmesa->format == OSMESA_RGB) { + const GLchan r = ctx->Color.ClearColor[0]; + const GLchan g = ctx->Color.ClearColor[1]; + const GLchan b = ctx->Color.ClearColor[2]; if (all) { - GLuint i, n; - GLubyte *ptr3 = (GLubyte *) osmesa->buffer; /* Clear whole RGB buffer */ - n = osmesa->rowlength * osmesa->height; - for (i=0;i<n;i++) { - ptr3[rind] = rval; - ptr3[gind] = gval; - ptr3[bind] = bval; + GLuint n = osmesa->rowlength * osmesa->height; + GLchan *ptr3 = (GLchan *) osmesa->buffer; + GLuint i; + for (i = 0; i < n; i++) { + PACK_RGB(ptr3, r, g, b); ptr3 += 3; } } else { /* Clear part of RGB buffer */ GLint i, j; - for (i=0;i<height;i++) { - GLubyte *ptr3 = PIXELADDR3( x, (y+i) ); - for (j=0;j<width;j++) { - ptr3[rind] = rval; - ptr3[gind] = gval; - ptr3[bind] = bval; + for (i = 0; i < height; i++) { + GLchan *ptr3 = PIXELADDR3(x, (y + i)); + for (j = 0; j < width; j++) { + PACK_RGB(ptr3, r, g, b); + ptr3 += 3; + } + } + } + } + else if (osmesa->format == OSMESA_BGR) { + const GLchan r = ctx->Color.ClearColor[0]; + const GLchan g = ctx->Color.ClearColor[1]; + const GLchan b = ctx->Color.ClearColor[2]; + if (all) { + /* Clear whole RGB buffer */ + const GLint n = osmesa->rowlength * osmesa->height; + GLchan *ptr3 = (GLchan *) osmesa->buffer; + GLint i; + for (i = 0; i < n; i++) { + PACK_BGR(ptr3, r, g, b); + ptr3 += 3; + } + } + else { + /* Clear part of RGB buffer */ + GLint i, j; + for (i = 0; i < height; i++) { + GLchan *ptr3 = PIXELADDR3(x, (y + i)); + for (j = 0; j < width; j++) { + PACK_BGR(ptr3, r, g, b); ptr3 += 3; } } } } else { +#if CHAN_TYPE == GL_UNSIGNED_BYTE + /* 4-byte pixel value */ + GLuint clearPixel; + GLchan *clr = (GLchan *) &clearPixel; + clr[osmesa->rInd] = ctx->Color.ClearColor[0]; + clr[osmesa->gInd] = ctx->Color.ClearColor[1]; + clr[osmesa->bInd] = ctx->Color.ClearColor[2]; + clr[osmesa->aInd] = ctx->Color.ClearColor[3]; if (all) { /* Clear whole RGBA buffer */ - GLuint i, n, *ptr4; - n = osmesa->rowlength * osmesa->height; - ptr4 = (GLuint *) osmesa->buffer; - if (osmesa->clearpixel) { - for (i=0;i<n;i++) { - *ptr4++ = osmesa->clearpixel; + const GLuint n = osmesa->rowlength * osmesa->height; + GLuint *ptr4 = (GLuint *) osmesa->buffer; + GLuint i; + if (clearPixel) { + for (i = 0; i < n; i++) { + *ptr4++ = clearPixel; } } else { @@ -737,13 +763,41 @@ static GLbitfield clear( GLcontext *ctx, GLbitfield mask, GLboolean all, else { /* Clear part of RGBA buffer */ GLint i, j; - for (i=0;i<height;i++) { - GLuint *ptr4 = PIXELADDR4( x, (y+i) ); - for (j=0;j<width;j++) { - *ptr4++ = osmesa->clearpixel; + for (i = 0; i < height; i++) { + GLuint *ptr4 = (GLuint *) PIXELADDR4(x, (y + i)); + for (j = 0; j < width; j++) { + *ptr4++ = clearPixel; + } + } + } +#else + const GLchan r = ctx->Color.ClearColor[0]; + const GLchan g = ctx->Color.ClearColor[1]; + const GLchan b = ctx->Color.ClearColor[2]; + const GLchan a = ctx->Color.ClearColor[3]; + if (all) { + /* Clear whole RGBA buffer */ + const GLuint n = osmesa->rowlength * osmesa->height; + GLchan *p = (GLchan *) osmesa->buffer; + GLuint i; + for (i = 0; i < n; i++) { + PACK_RGBA(p, r, g, b, a); + p += 4; + } + } + else { + /* Clear part of RGBA buffer */ + GLint i, j; + for (i = 0; i < height; i++) { + GLchan *p = PIXELADDR4(x, (y + i)); + for (j = 0; j < width; j++) { + PACK_RGBA(p, r, g, b, a); + p += 4; } } } + +#endif } } /* have Mesa clear all other buffers */ @@ -765,44 +819,42 @@ static void buffer_size( GLcontext *ctx, GLuint *width, GLuint *height ) /**********************************************************************/ /* Write RGBA pixels to an RGBA (or permuted) buffer. */ -static void write_rgba_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - CONST GLchan rgba[][4], const GLubyte mask[] ) +static void +write_rgba_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgba[][4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLuint *ptr4 = PIXELADDR4( x, y ); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR4(x, y); GLuint i; - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint ashift = osmesa->ashift; if (mask) { - for (i=0;i<n;i++,ptr4++) { + for (i = 0; i < n; i++, p += 4) { if (mask[i]) { - *ptr4 = PACK_RGBA2( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + PACK_RGBA(p, rgba[i][RCOMP], rgba[i][GCOMP], + rgba[i][BCOMP], rgba[i][ACOMP]); } } } else { - for (i=0;i<n;i++,ptr4++) { - *ptr4 = PACK_RGBA2( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + for (i = 0; i < n; i++, p += 4) { + PACK_RGBA(p, rgba[i][RCOMP], rgba[i][GCOMP], + rgba[i][BCOMP], rgba[i][ACOMP]); } } } /* Write RGBA pixels to an RGBA buffer. This is the fastest span-writer. */ -static void write_rgba_span_rgba( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - CONST GLchan rgba[][4], - const GLubyte mask[] ) +static void +write_rgba_span_rgba( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgba[][4], const GLubyte mask[] ) { OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLuint *ptr4 = PIXELADDR4( x, y ); + GLuint *ptr4 = (GLuint *) PIXELADDR4(x, y); const GLuint *rgba4 = (const GLuint *) rgba; GLuint i; + ASSERT(CHAN_TYPE == GL_UNSIGNED_BYTE); if (mask) { - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { ptr4[i] = rgba4[i]; } @@ -815,130 +867,120 @@ static void write_rgba_span_rgba( const GLcontext *ctx, /* Write RGB pixels to an RGBA (or permuted) buffer. */ -static void write_rgb_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - CONST GLchan rgb[][3], const GLubyte mask[] ) +static void +write_rgb_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgb[][3], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLuint *ptr4 = PIXELADDR4( x, y ); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR4(x, y); GLuint i; - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint ashift = osmesa->ashift; if (mask) { - for (i=0;i<n;i++,ptr4++) { + for (i = 0; i < n; i++, p+=4) { if (mask[i]) { - *ptr4 = PACK_RGBA2( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); + PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255); } } } else { - for (i=0;i<n;i++,ptr4++) { - *ptr4 = PACK_RGBA2( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255); + for (i = 0; i < n; i++, p+=4) { + PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255); } } } -static void write_monocolor_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[] ) +static void +write_monocolor_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLchan color[4], const GLubyte mask[] ) { const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - const GLuint pixel = PACK_RGBA(color[RCOMP], color[GCOMP], - color[BCOMP], color[ACOMP]); - GLuint *ptr4 = PIXELADDR4(x,y); + GLchan *p = PIXELADDR4(x, y); GLuint i; - for (i=0;i<n;i++,ptr4++) { + for (i = 0; i < n; i++, p += 4) { if (mask[i]) { - *ptr4 = pixel; + PACK_RGBA(p, color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP]); } } } -static void write_rgba_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - CONST GLchan rgba[][4], const GLubyte mask[] ) +static void +write_rgba_pixels( const GLcontext *ctx, GLuint n, + const GLint x[], const GLint y[], + CONST GLchan rgba[][4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint ashift = osmesa->ashift; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { - GLuint *ptr4 = PIXELADDR4(x[i],y[i]); - *ptr4 = PACK_RGBA2( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); + GLchan *p = PIXELADDR4(x[i], y[i]); + PACK_RGBA(p, rgba[i][RCOMP], rgba[i][GCOMP], + rgba[i][BCOMP], rgba[i][ACOMP]); } } } -static void write_monocolor_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLchan color[4], - const GLubyte mask[] ) +static void +write_monocolor_pixels( const GLcontext *ctx, GLuint n, + const GLint x[], const GLint y[], + const GLchan color[4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - const GLuint pixel = PACK_RGBA(color[RCOMP], color[GCOMP], - color[BCOMP], color[ACOMP]); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { - GLuint *ptr4 = PIXELADDR4(x[i],y[i]); - *ptr4 = pixel; + GLchan *p = PIXELADDR4(x[i], y[i]); + PACK_RGBA(p, color[RCOMP], color[GCOMP], color[BCOMP], color[ACOMP]); } } } -static void read_rgba_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLchan rgba[][4] ) +static void +read_rgba_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLchan rgba[][4] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - GLuint *ptr4 = PIXELADDR4(x,y); - for (i=0;i<n;i++) { - GLuint pixel = *ptr4++; - rgba[i][RCOMP] = UNPACK_RED(pixel); - rgba[i][GCOMP] = UNPACK_GREEN(pixel); - rgba[i][BCOMP] = UNPACK_BLUE(pixel); - rgba[i][ACOMP] = UNPACK_ALPHA(pixel); + GLchan *p = PIXELADDR4(x, y); + for (i = 0; i < n; i++, p += 4) { + rgba[i][RCOMP] = UNPACK_RED(p); + rgba[i][GCOMP] = UNPACK_GREEN(p); + rgba[i][BCOMP] = UNPACK_BLUE(p); + rgba[i][ACOMP] = UNPACK_ALPHA(p); } } /* Read RGBA pixels from an RGBA buffer */ -static void read_rgba_span_rgba( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - GLchan rgba[][4] ) +static void +read_rgba_span_rgba( const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLchan rgba[][4] ) { OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLuint *ptr4 = PIXELADDR4(x,y); + GLuint *ptr4 = (GLuint *) PIXELADDR4(x, y); MEMCPY( rgba, ptr4, n * 4 * sizeof(GLchan) ); } -static void read_rgba_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLchan rgba[][4], const GLubyte mask[] ) +static void +read_rgba_pixels( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLchan rgba[][4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { - GLuint *ptr4 = PIXELADDR4(x[i],y[i]); - GLuint pixel = *ptr4; - rgba[i][RCOMP] = UNPACK_RED(pixel); - rgba[i][GCOMP] = UNPACK_GREEN(pixel); - rgba[i][BCOMP] = UNPACK_BLUE(pixel); - rgba[i][ACOMP] = UNPACK_ALPHA(pixel); + const GLchan *p = PIXELADDR4(x[i], y[i]); + rgba[i][RCOMP] = UNPACK_RED(p); + rgba[i][GCOMP] = UNPACK_GREEN(p); + rgba[i][BCOMP] = UNPACK_BLUE(p); + rgba[i][ACOMP] = UNPACK_ALPHA(p); } } } @@ -947,164 +989,212 @@ static void read_rgba_pixels( const GLcontext *ctx, /***** 3 byte RGB pixel support funcs *****/ /**********************************************************************/ -/* Write RGBA pixels to an RGB or BGR buffer. */ -static void write_rgba_span3( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - CONST GLchan rgba[][4], const GLubyte mask[] ) +/* Write RGBA pixels to an RGB buffer. */ +static void +write_rgba_span_RGB( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgba[][4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *ptr3 = PIXELADDR3( x, y); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR3(x, y); GLuint i; - GLint rind = osmesa->rind; - GLint gind = osmesa->gind; - GLint bind = osmesa->bind; if (mask) { - for (i=0;i<n;i++,ptr3+=3) { + for (i = 0; i < n; i++, p += 3) { if (mask[i]) { - ptr3[rind] = rgba[i][RCOMP]; - ptr3[gind] = rgba[i][GCOMP]; - ptr3[bind] = rgba[i][BCOMP]; + PACK_RGB(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } } } else { - for (i=0;i<n;i++,ptr3+=3) { - ptr3[rind] = rgba[i][RCOMP]; - ptr3[gind] = rgba[i][GCOMP]; - ptr3[bind] = rgba[i][BCOMP]; + for (i = 0; i < n; i++, p += 3) { + PACK_RGB(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } } } -/* Write RGB pixels to an RGB or BGR buffer. */ -static void write_rgb_span3( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - CONST GLchan rgb[][3], const GLubyte mask[] ) +/* Write RGBA pixels to an BGR buffer. */ +static void +write_rgba_span_BGR( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgba[][4], const GLubyte mask[] ) { const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - const GLint rind = osmesa->rind; - const GLint gind = osmesa->gind; - const GLint bind = osmesa->bind; - GLubyte *ptr3 = PIXELADDR3( x, y); + GLchan *p = PIXELADDR3(x, y); GLuint i; if (mask) { - for (i=0;i<n;i++,ptr3+=3) { + for (i = 0; i < n; i++, p += 3) { if (mask[i]) { - ptr3[rind] = rgb[i][RCOMP]; - ptr3[gind] = rgb[i][GCOMP]; - ptr3[bind] = rgb[i][BCOMP]; + PACK_BGR(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } } } else { - for (i=0;i<n;i++,ptr3+=3) { - ptr3[rind] = rgb[i][RCOMP]; - ptr3[gind] = rgb[i][GCOMP]; - ptr3[bind] = rgb[i][BCOMP]; + for (i = 0; i < n; i++, p += 3) { + PACK_BGR(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } } } +/* Write RGB pixels to an RGB buffer. */ +static void +write_rgb_span_RGB( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgb[][3], const GLubyte mask[] ) +{ + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR3(x, y); + GLuint i; + if (mask) { + for (i = 0; i < n; i++, p += 3) { + if (mask[i]) { + PACK_RGB(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } + } + else { + for (i = 0; i < n; i++, p += 3) { + PACK_RGB(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } +} -static void write_monocolor_span3( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[] ) +/* Write RGB pixels to an BGR buffer. */ +static void +write_rgb_span_BGR( const GLcontext *ctx, GLuint n, GLint x, GLint y, + CONST GLchan rgb[][3], const GLubyte mask[] ) { const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - const GLubyte rval = color[RCOMP]; - const GLubyte gval = color[GCOMP]; - const GLubyte bval = color[BCOMP]; - const GLint rind = osmesa->rind; - const GLint gind = osmesa->gind; - const GLint bind = osmesa->bind; - GLubyte *ptr3 = PIXELADDR3( x, y); + GLchan *p = PIXELADDR3(x, y); GLuint i; - for (i=0;i<n;i++,ptr3+=3) { + if (mask) { + for (i = 0; i < n; i++, p += 3) { + if (mask[i]) { + PACK_BGR(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } + } + else { + for (i = 0; i < n; i++, p += 3) { + PACK_BGR(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); + } + } +} + + +static void +write_monocolor_span_RGB( const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLchan color[4], const GLubyte mask[] ) +{ + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR3(x, y); + GLuint i; + for (i = 0; i < n; i++, p += 3) { + if (mask[i]) { + PACK_RGB(p, color[RCOMP], color[GCOMP], color[BCOMP]); + } + } +} + +static void +write_monocolor_span_BGR( const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLchan color[4], const GLubyte mask[] ) +{ + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *p = PIXELADDR3(x, y); + GLuint i; + for (i = 0; i < n; i++, p += 3) { if (mask[i]) { - ptr3[rind] = rval; - ptr3[gind] = gval; - ptr3[bind] = bval; + PACK_BGR(p, color[RCOMP], color[GCOMP], color[BCOMP]); } } } -static void write_rgba_pixels3( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - CONST GLchan rgba[][4], const GLubyte mask[] ) +static void +write_rgba_pixels_RGB( const GLcontext *ctx, GLuint n, + const GLint x[], const GLint y[], + CONST GLchan rgba[][4], const GLubyte mask[] ) { const OSMesaContext osmesa = (const OSMesaContext) ctx; GLuint i; - GLint rind = osmesa->rind; - GLint gind = osmesa->gind; - GLint bind = osmesa->bind; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { + if (mask[i]) { + GLchan *p = PIXELADDR3(x[i], y[i]); + PACK_RGB(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); + } + } +} + +static void +write_rgba_pixels_BGR( const GLcontext *ctx, GLuint n, + const GLint x[], const GLint y[], + CONST GLchan rgba[][4], const GLubyte mask[] ) +{ + const OSMesaContext osmesa = (const OSMesaContext) ctx; + GLuint i; + for (i = 0; i < n; i++) { if (mask[i]) { - GLubyte *ptr3 = PIXELADDR3(x[i],y[i]); - ptr3[rind] = rgba[i][RCOMP]; - ptr3[gind] = rgba[i][GCOMP]; - ptr3[bind] = rgba[i][BCOMP]; + GLchan *p = PIXELADDR3(x[i], y[i]); + PACK_BGR(p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); } } } -static void write_monocolor_pixels3( const GLcontext *ctx, - GLuint n, const GLint x[], - const GLint y[], - const GLchan color[4], - const GLubyte mask[] ) +static void +write_monocolor_pixels_RGB( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLchan color[4], const GLubyte mask[] ) { const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - const GLint rind = osmesa->rind; - const GLint gind = osmesa->gind; - const GLint bind = osmesa->bind; - const GLubyte rval = color[RCOMP]; - const GLubyte gval = color[GCOMP]; - const GLubyte bval = color[BCOMP]; GLuint i; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { - GLubyte *ptr3 = PIXELADDR3(x[i],y[i]); - ptr3[rind] = rval; - ptr3[gind] = gval; - ptr3[bind] = bval; + GLchan *p = PIXELADDR3(x[i], y[i]); + PACK_RGB(p, color[RCOMP], color[GCOMP], color[BCOMP]); } } } -static void read_rgba_span3( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - GLchan rgba[][4] ) +static void +write_monocolor_pixels_BGR( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLchan color[4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLuint i; + for (i = 0; i < n; i++) { + if (mask[i]) { + GLchan *p = PIXELADDR3(x[i], y[i]); + PACK_BGR(p, color[RCOMP], color[GCOMP], color[BCOMP]); + } + } +} + +static void +read_rgba_span3( const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLchan rgba[][4] ) +{ + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - GLint rind = osmesa->rind; - GLint gind = osmesa->gind; - GLint bind = osmesa->bind; - const GLubyte *ptr3 = PIXELADDR3( x, y); - for (i=0;i<n;i++,ptr3+=3) { - rgba[i][RCOMP] = ptr3[rind]; - rgba[i][GCOMP] = ptr3[gind]; - rgba[i][BCOMP] = ptr3[bind]; - rgba[i][ACOMP] = 0; + const GLchan *p = PIXELADDR3(x, y); + for (i = 0; i < n; i++, p += 3) { + rgba[i][RCOMP] = UNPACK_RED(p); + rgba[i][GCOMP] = UNPACK_GREEN(p); + rgba[i][BCOMP] = UNPACK_BLUE(p); + rgba[i][ACOMP] = 255; } } -static void read_rgba_pixels3( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLchan rgba[][4], const GLubyte mask[] ) +static void +read_rgba_pixels3( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLchan rgba[][4], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - GLint rind = osmesa->rind; - GLint gind = osmesa->gind; - GLint bind = osmesa->bind; - for (i=0;i<n;i++) { + for (i = 0; i < n; i++) { if (mask[i]) { - const GLubyte *ptr3 = PIXELADDR3(x[i],y[i]); - rgba[i][RCOMP] = ptr3[rind]; - rgba[i][GCOMP] = ptr3[gind]; - rgba[i][BCOMP] = ptr3[bind]; - rgba[i][ACOMP] = 0; + const GLchan *p = PIXELADDR3(x[i], y[i]); + rgba[i][RCOMP] = UNPACK_RED(p); + rgba[i][GCOMP] = UNPACK_GREEN(p); + rgba[i][BCOMP] = UNPACK_BLUE(p); + rgba[i][ACOMP] = 255; } } } @@ -1115,115 +1205,119 @@ static void read_rgba_pixels3( const GLcontext *ctx, /**********************************************************************/ /* Write 32-bit color index to buffer */ -static void write_index32_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLuint index[], const GLubyte mask[] ) +static void +write_index32_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLuint index[], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *ptr1 = PIXELADDR1(x,y); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *ptr1 = PIXELADDR1(x, y); GLuint i; if (mask) { for (i=0;i<n;i++,ptr1++) { if (mask[i]) { - *ptr1 = (GLubyte) index[i]; + *ptr1 = (GLchan) index[i]; } } } else { for (i=0;i<n;i++,ptr1++) { - *ptr1 = (GLubyte) index[i]; + *ptr1 = (GLchan) index[i]; } } } /* Write 8-bit color index to buffer */ -static void write_index8_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[] ) +static void +write_index8_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + const GLubyte index[], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *ptr1 = PIXELADDR1(x,y); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *ptr1 = PIXELADDR1(x, y); GLuint i; if (mask) { for (i=0;i<n;i++,ptr1++) { if (mask[i]) { - *ptr1 = (GLubyte) index[i]; + *ptr1 = (GLchan) index[i]; } } } else { - MEMCPY( ptr1, index, n ); + MEMCPY(ptr1, index, n * sizeof(GLchan)); } } -static void write_monoindex_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[] ) +static void +write_monoindex_span( const GLcontext *ctx, GLuint n, GLint x, GLint y, + GLuint colorIndex, const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *ptr1 = PIXELADDR1(x,y); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + GLchan *ptr1 = PIXELADDR1(x, y); GLuint i; for (i=0;i<n;i++,ptr1++) { if (mask[i]) { - *ptr1 = (GLubyte) colorIndex; + *ptr1 = (GLchan) colorIndex; } } } -static void write_index_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[] ) +static void +write_index_pixels( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + const GLuint index[], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; for (i=0;i<n;i++) { if (mask[i]) { - GLubyte *ptr1 = PIXELADDR1(x[i],y[i]); - *ptr1 = (GLubyte) index[i]; + GLchan *ptr1 = PIXELADDR1(x[i], y[i]); + *ptr1 = (GLchan) index[i]; } } } -static void write_monoindex_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) +static void +write_monoindex_pixels( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLuint colorIndex, const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; for (i=0;i<n;i++) { if (mask[i]) { - GLubyte *ptr1 = PIXELADDR1(x[i],y[i]); - *ptr1 = (GLubyte) colorIndex; + GLchan *ptr1 = PIXELADDR1(x[i], y[i]); + *ptr1 = (GLchan) colorIndex; } } } -static void read_index_span( const GLcontext *ctx, - GLuint n, GLint x, GLint y, GLuint index[] ) +static void +read_index_span( const GLcontext *ctx, + GLuint n, GLint x, GLint y, GLuint index[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; - const GLubyte *ptr1 = PIXELADDR1(x,y); + const GLchan *ptr1 = (const GLchan *) PIXELADDR1(x, y); for (i=0;i<n;i++,ptr1++) { index[i] = (GLuint) *ptr1; } } -static void read_index_pixels( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint index[], const GLubyte mask[] ) +static void +read_index_pixels( const GLcontext *ctx, + GLuint n, const GLint x[], const GLint y[], + GLuint index[], const GLubyte mask[] ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); GLuint i; for (i=0;i<n;i++) { if (mask[i] ) { - const GLubyte *ptr1 = PIXELADDR1(x[i],y[i]); + const GLchan *ptr1 = PIXELADDR1(x[i], y[i]); index[i] = (GLuint) *ptr1; } } @@ -1239,16 +1333,19 @@ static void read_index_pixels( const GLcontext *ctx, /* * Draw a flat-shaded, RGB line into an osmesa buffer. */ -static void flat_rgba_line( GLcontext *ctx, - const SWvertex *vert0, const SWvertex *vert1 ) +static void +flat_rgba_line( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *color = (GLubyte*) vert0->color; - unsigned long pixel = PACK_RGBA( color[0], color[1], color[2], color[3] ); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const GLchan *color = vert0->color; #define INTERP_XY 1 #define CLIP_HACK 1 -#define PLOT(X,Y) { GLuint *ptr4 = PIXELADDR4(X,Y); *ptr4 = pixel; } +#define PLOT(X, Y) \ +do { \ + GLchan *p = PIXELADDR4(X, Y); \ + PACK_RGBA(p, color[0], color[1], color[2], color[3]); \ +} while (0) #ifdef WIN32 #include "..\swrast\s_linetemp.h" @@ -1261,23 +1358,26 @@ static void flat_rgba_line( GLcontext *ctx, /* * Draw a flat-shaded, Z-less, RGB line into an osmesa buffer. */ -static void flat_rgba_z_line( GLcontext *ctx, - const SWvertex *vert0, const SWvertex *vert1 ) +static void +flat_rgba_z_line(GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLubyte *color = (GLubyte*) vert0->color; - unsigned long pixel = PACK_RGBA( color[0], color[1], color[2], color[3] ); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const GLchan *color = vert0->color; #define INTERP_XY 1 #define INTERP_Z 1 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE #define CLIP_HACK 1 -#define PLOT(X,Y) \ - if (Z < *zPtr) { \ - GLuint *ptr4 = PIXELADDR4(X,Y); \ - *ptr4 = pixel; \ - *zPtr = Z; \ - } +#define PLOT(X, Y) \ +do { \ + if (Z < *zPtr) { \ + GLchan *p = PIXELADDR4(X, Y); \ + PACK_RGBA(p, color[RCOMP], color[GCOMP], \ + color[BCOMP], color[ACOMP]); \ + *zPtr = Z; \ + } \ +} while (0) + #ifdef WIN32 #include "..\swrast\s_linetemp.h" @@ -1289,24 +1389,26 @@ static void flat_rgba_z_line( GLcontext *ctx, /* * Draw a flat-shaded, alpha-blended, RGB line into an osmesa buffer. + * XXX update for GLchan */ -static void flat_blend_rgba_line( GLcontext *ctx, - const SWvertex *vert0, const SWvertex *vert1 ) +static void +flat_blend_rgba_line( GLcontext *ctx, + const SWvertex *vert0, const SWvertex *vert1 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint avalue = vert0->color[3]; - GLint msavalue = 255 - avalue; - GLint rvalue = vert0->color[0]*avalue; - GLint gvalue = vert0->color[1]*avalue; - GLint bvalue = vert0->color[2]*avalue; + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const GLint rshift = osmesa->rshift; + const GLint gshift = osmesa->gshift; + const GLint bshift = osmesa->bshift; + const GLint avalue = vert0->color[3]; + const GLint msavalue = 255 - avalue; + const GLint rvalue = vert0->color[0]*avalue; + const GLint gvalue = vert0->color[1]*avalue; + const GLint bvalue = vert0->color[2]*avalue; #define INTERP_XY 1 #define CLIP_HACK 1 #define PLOT(X,Y) \ - { GLuint *ptr4 = PIXELADDR4(X,Y); \ + { GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \ GLuint pixel = 0; \ pixel |=((((((*ptr4) >> rshift) & 0xff)*msavalue+rvalue)>>8) << rshift);\ pixel |=((((((*ptr4) >> gshift) & 0xff)*msavalue+gvalue)>>8) << gshift);\ @@ -1324,19 +1426,21 @@ static void flat_blend_rgba_line( GLcontext *ctx, /* * Draw a flat-shaded, Z-less, alpha-blended, RGB line into an osmesa buffer. + * XXX update for GLchan */ -static void flat_blend_rgba_z_line( GLcontext *ctx, - const SWvertex *vert0, const SWvertex *vert1 ) +static void +flat_blend_rgba_z_line( GLcontext *ctx, + const SWvertex *vert0, const SWvertex *vert1 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint avalue = vert0->color[3]; - GLint msavalue = 256 - avalue; - GLint rvalue = vert0->color[0]*avalue; - GLint gvalue = vert0->color[1]*avalue; - GLint bvalue = vert0->color[2]*avalue; + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const GLint rshift = osmesa->rshift; + const GLint gshift = osmesa->gshift; + const GLint bshift = osmesa->bshift; + const GLint avalue = vert0->color[3]; + const GLint msavalue = 256 - avalue; + const GLint rvalue = vert0->color[0]*avalue; + const GLint gvalue = vert0->color[1]*avalue; + const GLint bvalue = vert0->color[2]*avalue; #define INTERP_XY 1 #define INTERP_Z 1 @@ -1344,7 +1448,7 @@ static void flat_blend_rgba_z_line( GLcontext *ctx, #define CLIP_HACK 1 #define PLOT(X,Y) \ if (Z < *zPtr) { \ - GLuint *ptr4 = PIXELADDR4(X,Y); \ + GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \ GLuint pixel = 0; \ pixel |=((((((*ptr4) >> rshift) & 0xff)*msavalue+rvalue)>>8) << rshift); \ pixel |=((((((*ptr4) >> gshift) & 0xff)*msavalue+gvalue)>>8) << gshift); \ @@ -1362,19 +1466,21 @@ static void flat_blend_rgba_z_line( GLcontext *ctx, /* * Draw a flat-shaded, Z-less, alpha-blended, RGB line into an osmesa buffer. + * XXX update for GLchan */ -static void flat_blend_rgba_z_line_write( GLcontext *ctx, - const SWvertex *vert0, const SWvertex *vert1 ) +static void +flat_blend_rgba_z_line_write( GLcontext *ctx, + const SWvertex *vert0, const SWvertex *vert1 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint avalue = vert0->color[3]; - GLint msavalue = 256 - avalue; - GLint rvalue = vert0->color[0]*avalue; - GLint gvalue = vert0->color[1]*avalue; - GLint bvalue = vert0->color[2]*avalue; + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const GLint rshift = osmesa->rshift; + const GLint gshift = osmesa->gshift; + const GLint bshift = osmesa->bshift; + const GLint avalue = vert0->color[3]; + const GLint msavalue = 256 - avalue; + const GLint rvalue = vert0->color[0]*avalue; + const GLint gvalue = vert0->color[1]*avalue; + const GLint bvalue = vert0->color[2]*avalue; #define INTERP_XY 1 #define INTERP_Z 1 @@ -1382,7 +1488,7 @@ static void flat_blend_rgba_z_line_write( GLcontext *ctx, #define CLIP_HACK 1 #define PLOT(X,Y) \ if (Z < *zPtr) { \ - GLuint *ptr4 = PIXELADDR4(X,Y); \ + GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \ GLuint pixel = 0; \ pixel |=((((((*ptr4) >> rshift) & 0xff)*msavalue+rvalue)>>8) << rshift); \ pixel |=((((((*ptr4) >> gshift) & 0xff)*msavalue+gvalue)>>8) << gshift); \ @@ -1406,97 +1512,65 @@ static void flat_blend_rgba_z_line_write( GLcontext *ctx, static swrast_line_func osmesa_choose_line_function( GLcontext *ctx ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + if (CHAN_BITS != 8) return NULL; if (ctx->RenderMode != GL_RENDER) return NULL; if (ctx->Line.SmoothFlag) return NULL; if (ctx->Texture._ReallyEnabled) return NULL; - if (ctx->Light.ShadeModel!=GL_FLAT) return NULL; - - if (ctx->Line.Width==1.0F - && ctx->Line.StippleFlag==GL_FALSE) { - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { - switch(osmesa->format) { - case OSMESA_RGBA: - case OSMESA_BGRA: - case OSMESA_ARGB: - return flat_rgba_z_line; - default: - return NULL; - } - } - - if (swrast->_RasterMask==0) { - switch(osmesa->format) { - case OSMESA_RGBA: - case OSMESA_BGRA: - case OSMESA_ARGB: - return flat_rgba_line; - default: - return NULL; - } - } - - if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT) - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS - && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA - && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendSrcA==GL_SRC_ALPHA - && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { - switch(osmesa->format) { - case OSMESA_RGBA: - case OSMESA_BGRA: - case OSMESA_ARGB: - return flat_blend_rgba_z_line_write; - default: - return NULL; - } - } - - if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT) - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_FALSE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS - && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA - && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendSrcA==GL_SRC_ALPHA - && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { - switch(osmesa->format) { - case OSMESA_RGBA: - case OSMESA_BGRA: - case OSMESA_ARGB: - return flat_blend_rgba_z_line; - default: - return NULL; - } - } - - if (swrast->_RasterMask==BLEND_BIT - && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA - && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendSrcA==GL_SRC_ALPHA - && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA - && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { - switch(osmesa->format) { - case OSMESA_RGBA: - case OSMESA_BGRA: - case OSMESA_ARGB: - return flat_blend_rgba_line; - default: - return NULL; - } - } + if (ctx->Light.ShadeModel != GL_FLAT) return NULL; + if (ctx->Line.Width != 1.0F) return NULL; + if (ctx->Line.StippleFlag) return NULL; + if (ctx->Line.SmoothFlag) return NULL; + if (osmesa->format != OSMESA_RGBA && + osmesa->format != OSMESA_BGRA && + osmesa->format != OSMESA_ARGB) return NULL; + + if (swrast->_RasterMask==DEPTH_BIT + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + return flat_rgba_z_line; + } + + if (swrast->_RasterMask == 0) { + return flat_rgba_line; + } + + if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT) + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_TRUE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS + && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA + && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendSrcA==GL_SRC_ALPHA + && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { + return flat_blend_rgba_z_line_write; + } + + if (swrast->_RasterMask==(DEPTH_BIT|BLEND_BIT) + && ctx->Depth.Func==GL_LESS + && ctx->Depth.Mask==GL_FALSE + && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS + && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA + && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendSrcA==GL_SRC_ALPHA + && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { + return flat_blend_rgba_z_line; + } + if (swrast->_RasterMask==BLEND_BIT + && ctx->Color.BlendSrcRGB==GL_SRC_ALPHA + && ctx->Color.BlendDstRGB==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendSrcA==GL_SRC_ALPHA + && ctx->Color.BlendDstA==GL_ONE_MINUS_SRC_ALPHA + && ctx->Color.BlendEquation==GL_FUNC_ADD_EXT) { + return flat_blend_rgba_line; } + return NULL; } @@ -1514,11 +1588,7 @@ static void smooth_rgba_z_triangle( GLcontext *ctx, const SWvertex *v1, const SWvertex *v2 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - GLint rshift = osmesa->rshift; - GLint gshift = osmesa->gshift; - GLint bshift = osmesa->bshift; - GLint ashift = osmesa->ashift; + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); #define INTERP_Z 1 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE @@ -1527,13 +1597,13 @@ static void smooth_rgba_z_triangle( GLcontext *ctx, #define INNER_LOOP( LEFT, RIGHT, Y ) \ { \ GLint i, len = RIGHT-LEFT; \ - GLuint *img = PIXELADDR4(LEFT,Y); \ - (void) fffog; \ - for (i=0;i<len;i++,img++) { \ + GLchan *img = PIXELADDR4(LEFT, Y); \ + (void) fffog; \ + for (i = 0; i < len; i++, img += 4) { \ GLdepth z = FixedToDepth(ffz); \ if (z < zRow[i]) { \ - *img = PACK_RGBA2( FixedToInt(ffr), FixedToInt(ffg), \ - FixedToInt(ffb), FixedToInt(ffa) ); \ + PACK_RGBA(img, FixedToInt(ffr), FixedToInt(ffg), \ + FixedToInt(ffb), FixedToInt(ffa)); \ zRow[i] = z; \ } \ ffr += fdrdx; ffg += fdgdx; ffb += fdbdx; ffa += fdadx;\ @@ -1558,29 +1628,27 @@ static void flat_rgba_z_triangle( GLcontext *ctx, const SWvertex *v1, const SWvertex *v2 ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); #define INTERP_Z 1 #define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE -#define SETUP_CODE \ - GLubyte r = v0->color[0]; \ - GLubyte g = v0->color[1]; \ - GLubyte b = v0->color[2]; \ - GLubyte a = v0->color[3]; \ - GLuint pixel = PACK_RGBA(r,g,b,a); - -#define INNER_LOOP( LEFT, RIGHT, Y ) \ -{ \ - GLint i, len = RIGHT-LEFT; \ - GLuint *img = PIXELADDR4(LEFT,Y); \ - (void) fffog; \ - for (i=0;i<len;i++,img++) { \ - GLdepth z = FixedToDepth(ffz); \ - if (z < zRow[i]) { \ - *img = pixel; \ - zRow[i] = z; \ - } \ - ffz += fdzdx; \ - } \ +#define SETUP_CODE \ + GLuint pixel; \ + PACK_RGBA((GLchan *) &pixel, v0->color[0], v0->color[1], \ + v0->color[2], v0->color[3]); + +#define INNER_LOOP( LEFT, RIGHT, Y ) \ +{ \ + GLint i, len = RIGHT-LEFT; \ + GLuint *img = (GLuint *) PIXELADDR4(LEFT, Y); \ + (void) fffog; \ + for (i=0;i<len;i++) { \ + GLdepth z = FixedToDepth(ffz); \ + if (z < zRow[i]) { \ + img[i] = pixel; \ + zRow[i] = z; \ + } \ + ffz += fdzdx; \ + } \ } #ifdef WIN32 #include "..\swrast\s_tritemp.h" @@ -1597,32 +1665,34 @@ static void flat_rgba_z_triangle( GLcontext *ctx, static swrast_tri_func osmesa_choose_triangle_function( GLcontext *ctx ) { - OSMesaContext osmesa = OSMESA_CONTEXT(ctx); - SWcontext *swrast = SWRAST_CONTEXT(ctx); - - if ((osmesa->format==OSMESA_RGB)||(osmesa->format==OSMESA_BGR)) - return (swrast_tri_func)NULL; - - if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL; - if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL; - if (ctx->Polygon.StippleFlag) return (swrast_tri_func) NULL; - if (ctx->Texture._ReallyEnabled) return (swrast_tri_func) NULL; - - if (swrast->_RasterMask==DEPTH_BIT - && ctx->Depth.Func==GL_LESS - && ctx->Depth.Mask==GL_TRUE - && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS - && osmesa->format!=OSMESA_COLOR_INDEX) { - if (ctx->Light.ShadeModel==GL_SMOOTH) { + const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); + const SWcontext *swrast = SWRAST_CONTEXT(ctx); + + if (CHAN_BITS != 8) return (swrast_tri_func) NULL; + if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL; + if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL; + if (ctx->Polygon.StippleFlag) return (swrast_tri_func) NULL; + if (ctx->Texture._ReallyEnabled) return (swrast_tri_func) NULL; + if (osmesa->format != OSMESA_RGBA && + osmesa->format != OSMESA_BGRA && + osmesa->format != OSMESA_ARGB) return (swrast_tri_func) NULL; + + if (swrast->_RasterMask == DEPTH_BIT && + ctx->Depth.Func == GL_LESS && + ctx->Depth.Mask == GL_TRUE && + ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS) { + if (ctx->Light.ShadeModel == GL_SMOOTH) { return smooth_rgba_z_triangle; } else { return flat_rgba_z_triangle; } } - return (swrast_tri_func)NULL; + return (swrast_tri_func) NULL; } + + /* Override for the swrast triangle-selection function. Try to use one * of our internal triangle functions, otherwise fall back to the * standard swrast functions. @@ -1694,14 +1764,17 @@ static void osmesa_update_state( GLcontext *ctx, GLuint new_state ) ASSERT((void *) osmesa == (void *) ctx->DriverCtx); + /* + * XXX these function pointers could be initialized just once during + * context creation since they don't depend on any state changes. + */ + ctx->Driver.GetString = get_string; ctx->Driver.UpdateState = osmesa_update_state; ctx->Driver.SetDrawBuffer = set_draw_buffer; ctx->Driver.SetReadBuffer = set_read_buffer; - ctx->Driver.ClearIndex = clear_index; - ctx->Driver.ClearColor = clear_color; ctx->Driver.Clear = clear; ctx->Driver.GetBufferSize = buffer_size; @@ -1716,32 +1789,41 @@ static void osmesa_update_state( GLcontext *ctx, GLuint new_state ) ctx->Driver.RenderFinish = _swsetup_RenderFinish; /* RGB(A) span/pixel functions */ - if ((osmesa->format==OSMESA_RGB) || (osmesa->format==OSMESA_BGR)) { - /* 3 bytes / pixel in frame buffer */ - ctx->Driver.WriteRGBASpan = write_rgba_span3; - ctx->Driver.WriteRGBSpan = write_rgb_span3; - ctx->Driver.WriteRGBAPixels = write_rgba_pixels3; - ctx->Driver.WriteMonoRGBASpan = write_monocolor_span3; - ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels3; + if (osmesa->format == OSMESA_RGB) { + ctx->Driver.WriteRGBASpan = write_rgba_span_RGB; + ctx->Driver.WriteRGBSpan = write_rgb_span_RGB; + ctx->Driver.WriteMonoRGBASpan = write_monocolor_span_RGB; + ctx->Driver.WriteRGBAPixels = write_rgba_pixels_RGB; + ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels_RGB; + ctx->Driver.ReadRGBASpan = read_rgba_span3; + ctx->Driver.ReadRGBAPixels = read_rgba_pixels3; + } + else if (osmesa->format == OSMESA_BGR) { + ctx->Driver.WriteRGBASpan = write_rgba_span_BGR; + ctx->Driver.WriteRGBSpan = write_rgb_span_BGR; + ctx->Driver.WriteMonoRGBASpan = write_monocolor_span_BGR; + ctx->Driver.WriteRGBAPixels = write_rgba_pixels_BGR; + ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels_BGR; ctx->Driver.ReadRGBASpan = read_rgba_span3; ctx->Driver.ReadRGBAPixels = read_rgba_pixels3; } else { /* 4 bytes / pixel in frame buffer */ - if (osmesa->format==OSMESA_RGBA - && RCOMP==0 && GCOMP==1 && BCOMP==2 && ACOMP==3) - ctx->Driver.WriteRGBASpan = write_rgba_span_rgba; - else - ctx->Driver.WriteRGBASpan = write_rgba_span; ctx->Driver.WriteRGBSpan = write_rgb_span; ctx->Driver.WriteRGBAPixels = write_rgba_pixels; ctx->Driver.WriteMonoRGBASpan = write_monocolor_span; ctx->Driver.WriteMonoRGBAPixels = write_monocolor_pixels; - if (osmesa->format==OSMESA_RGBA - && RCOMP==0 && GCOMP==1 && BCOMP==2 && ACOMP==3) + if (osmesa->format == OSMESA_RGBA && + CHAN_TYPE == GL_UNSIGNED_BYTE && + RCOMP==0 && GCOMP==1 && BCOMP==2 && ACOMP==3) { + /* special, fast case */ + ctx->Driver.WriteRGBASpan = write_rgba_span_rgba; ctx->Driver.ReadRGBASpan = read_rgba_span_rgba; - else + } + else { + ctx->Driver.WriteRGBASpan = write_rgba_span; ctx->Driver.ReadRGBASpan = read_rgba_span; + } ctx->Driver.ReadRGBAPixels = read_rgba_pixels; } diff --git a/src/mesa/drivers/svga/svgamesa15.c b/src/mesa/drivers/svga/svgamesa15.c index 3332503d2b8..0f8ebd330ba 100644 --- a/src/mesa/drivers/svga/svgamesa15.c +++ b/src/mesa/drivers/svga/svgamesa15.c @@ -1,4 +1,4 @@ -/* $Id: svgamesa15.c,v 1.7 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa15.c,v 1.8 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -54,11 +54,9 @@ static unsigned long __svga_getpixel15(int x, int y) return shortBuffer[offset]; } -void __clear_color15( GLcontext *ctx, - GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) +void __clear_color15( GLcontext *ctx, const GLchan color[4] ) { - SVGAMesa->clear_hicolor=(red>>3)<<10 | (green>>3)<<5 | (blue>>3); + SVGAMesa->clear_hicolor=(color[0]>>3)<<10 | (color[1]>>3)<<5 | (color[2]>>3); /* SVGAMesa->clear_hicolor=(red)<<10 | (green)<<5 | (blue);*/ } diff --git a/src/mesa/drivers/svga/svgamesa15.h b/src/mesa/drivers/svga/svgamesa15.h index 83591a610fb..f2c16d9f833 100644 --- a/src/mesa/drivers/svga/svgamesa15.h +++ b/src/mesa/drivers/svga/svgamesa15.h @@ -1,4 +1,4 @@ -/* $Id: svgamesa15.h,v 1.4 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa15.h,v 1.5 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,7 +31,7 @@ #ifndef SVGA_MESA_15_H #define SVGA_MESA_15_H -extern void __clear_color15( GLcontext *ctx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ); +extern void __clear_color15( GLcontext *ctx, const GLchan color[4] ); extern GLbitfield __clear15( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); extern void __write_rgba_span15( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ); extern void __write_mono_rgba_span15( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[]); diff --git a/src/mesa/drivers/svga/svgamesa16.c b/src/mesa/drivers/svga/svgamesa16.c index 02d1251665f..20d1ed6fecb 100644 --- a/src/mesa/drivers/svga/svgamesa16.c +++ b/src/mesa/drivers/svga/svgamesa16.c @@ -1,4 +1,4 @@ -/* $Id: svgamesa16.c,v 1.7 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa16.c,v 1.8 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -56,11 +56,11 @@ static unsigned long __svga_getpixel16(int x, int y) return shortBuffer[offset]; } -void __clear_color16( GLcontext *ctx, - GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) +void __clear_color16( GLcontext *ctx, const GLchan color[4] ) { - SVGAMesa->clear_hicolor=(red>>3)<<11 | (green>>2)<<5 | (blue>>3); + SVGAMesa->clear_hicolor = (color[0] >> 3) << 11 | + (color[1] >> 2) << 5 | + (color[2] >> 3); /* SVGAMesa->clear_hicolor=(red)<<11 | (green)<<5 | (blue); */ } diff --git a/src/mesa/drivers/svga/svgamesa16.h b/src/mesa/drivers/svga/svgamesa16.h index 94ddcf3a195..f18d559cdb2 100644 --- a/src/mesa/drivers/svga/svgamesa16.h +++ b/src/mesa/drivers/svga/svgamesa16.h @@ -1,4 +1,4 @@ -/* $Id: svgamesa16.h,v 1.3 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa16.h,v 1.4 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,7 +31,7 @@ #ifndef SVGA_MESA_16_H #define SVGA_MESA_16_H -extern void __clear_color16( GLcontext *ctx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ); +extern void __clear_color16( GLcontext *ctx, const GLchan color[4] ); extern GLbitfield __clear16( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); extern void __write_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ); extern void __write_mono_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[]); diff --git a/src/mesa/drivers/svga/svgamesa24.c b/src/mesa/drivers/svga/svgamesa24.c index aa174df4cc4..0d0c8e74c8f 100644 --- a/src/mesa/drivers/svga/svgamesa24.c +++ b/src/mesa/drivers/svga/svgamesa24.c @@ -1,4 +1,4 @@ -/* $Id: svgamesa24.c,v 1.8 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa24.c,v 1.9 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -78,13 +78,11 @@ static unsigned long __svga_getpixel24(int x, int y) return rgbBuffer[offset].r<<16 | rgbBuffer[offset].g<<8 | rgbBuffer[offset].b; } -void __clear_color24( GLcontext *ctx, - GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) +void __clear_color24( GLcontext *ctx, const GLchan color[4] ) { - SVGAMesa->clear_red = red; - SVGAMesa->clear_green = green; - SVGAMesa->clear_blue = blue; + SVGAMesa->clear_red = color[0]; + SVGAMesa->clear_green = color[1]; + SVGAMesa->clear_blue = color[2]; /* SVGAMesa->clear_truecolor = red<<16 | green<<8 | blue; */ } diff --git a/src/mesa/drivers/svga/svgamesa24.h b/src/mesa/drivers/svga/svgamesa24.h index dc9382034bb..9707e993c33 100644 --- a/src/mesa/drivers/svga/svgamesa24.h +++ b/src/mesa/drivers/svga/svgamesa24.h @@ -1,4 +1,4 @@ -/* $Id: svgamesa24.h,v 1.3 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa24.h,v 1.4 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,7 +31,7 @@ #ifndef SVGA_MESA_24_H #define SVGA_MESA_24_H -extern void __clear_color24( GLcontext *ctx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ); +extern void __clear_color24( GLcontext *ctx, const GLchan color[4] ); extern GLbitfield __clear24( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); extern void __write_rgba_span24( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ); extern void __write_mono_rgba_span24( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[]); diff --git a/src/mesa/drivers/svga/svgamesa32.c b/src/mesa/drivers/svga/svgamesa32.c index a56afdc86ce..88907c49c8d 100644 --- a/src/mesa/drivers/svga/svgamesa32.c +++ b/src/mesa/drivers/svga/svgamesa32.c @@ -1,4 +1,4 @@ -/* $Id: svgamesa32.c,v 1.8 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa32.c,v 1.9 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -74,11 +74,9 @@ static unsigned long __svga_getpixel32(int x, int y) return intBuffer[offset]; } -void __clear_color32( GLcontext *ctx, - GLubyte red, GLubyte green, - GLubyte blue, GLubyte alpha ) +void __clear_color32( GLcontext *ctx, const GLchan color[4] ) { - SVGAMesa->clear_truecolor = red<<16 | green<<8 | blue; + SVGAMesa->clear_truecolor = (color[0] << 16) | (color[1] << 8) | color[2]; } GLbitfield __clear32( GLcontext *ctx, GLbitfield mask, GLboolean all, diff --git a/src/mesa/drivers/svga/svgamesa32.h b/src/mesa/drivers/svga/svgamesa32.h index 36406249721..d24b95a6cd9 100644 --- a/src/mesa/drivers/svga/svgamesa32.h +++ b/src/mesa/drivers/svga/svgamesa32.h @@ -1,4 +1,4 @@ -/* $Id: svgamesa32.h,v 1.3 2000/11/14 17:40:14 brianp Exp $ */ +/* $Id: svgamesa32.h,v 1.4 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,7 +31,7 @@ #ifndef SVGA_MESA_32_H #define SVGA_MESA_32_H -extern void __clear_color32( GLcontext *ctx, GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ); +extern void __clear_color32( GLcontext *ctx, const GLchan color[4] ); extern GLbitfield __clear32( GLcontext *ctx, GLbitfield mask, GLboolean all, GLint x, GLint y, GLint width, GLint height ); extern void __write_rgba_span32( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLubyte rgba[][4], const GLubyte mask[] ); extern void __write_mono_rgba_span32( const GLcontext *ctx, GLuint n, GLint x, GLint y, const GLchan color[4], const GLubyte mask[]); diff --git a/src/mesa/drivers/windows/wmesa.c b/src/mesa/drivers/windows/wmesa.c index b55142e8add..74fea18030e 100644 --- a/src/mesa/drivers/windows/wmesa.c +++ b/src/mesa/drivers/windows/wmesa.c @@ -1,4 +1,4 @@ -/* $Id: wmesa.c,v 1.12 2000/11/17 21:01:47 brianp Exp $ */ +/* $Id: wmesa.c,v 1.13 2001/01/24 00:04:59 brianp Exp $ */ /* * Windows (Win32) device driver for Mesa 3.4 @@ -366,10 +366,10 @@ static void clear_index(GLcontext* ctx, GLuint index) /* * Set the color used to clear the color buffer. */ -static void clear_color( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +static void clear_color( GLcontext* ctx, const GLchan color[4] ) { STARTPROFILE - Current->clearpixel=RGB(r, g, b ); + Current->clearpixel = RGB(color[0], color[1], color[2]); ENDPROFILE(clear_color) } diff --git a/src/mesa/drivers/windows/wmesa_stereo.c b/src/mesa/drivers/windows/wmesa_stereo.c index d3787909ee9..b0b6f811ddc 100644 --- a/src/mesa/drivers/windows/wmesa_stereo.c +++ b/src/mesa/drivers/windows/wmesa_stereo.c @@ -152,10 +152,10 @@ static void clear_index(GLcontext* ctx, GLuint index) /*
* Set the color used to clear the color buffer.
*/
-static void clear_color( GLcontext* ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a )
+static void clear_color( GLcontext* ctx, const GLchan color[4] )
{
STARTPROFILE
- Current->clearpixel=RGB(r, g, b );
+ Current->clearpixel = RGB(color[0], color[1], color[2]);
ENDPROFILE(clear_color)
}
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c index 77e4ab58c4c..d6444a51461 100644 --- a/src/mesa/drivers/x11/xm_dd.c +++ b/src/mesa/drivers/x11/xm_dd.c @@ -1,4 +1,4 @@ -/* $Id: xm_dd.c,v 1.10 2001/01/16 05:29:43 keithw Exp $ */ +/* $Id: xm_dd.c,v 1.11 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -229,14 +229,15 @@ clear_index( GLcontext *ctx, GLuint index ) static void -clear_color( GLcontext *ctx, GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +clear_color( GLcontext *ctx, const GLchan color[4] ) { const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; - xmesa->clearcolor[0] = r; - xmesa->clearcolor[1] = g; - xmesa->clearcolor[2] = b; - xmesa->clearcolor[3] = a; - xmesa->clearpixel = xmesa_color_to_pixel( xmesa, r, g, b, a, + xmesa->clearcolor[0] = color[0]; + xmesa->clearcolor[1] = color[1]; + xmesa->clearcolor[2] = color[2]; + xmesa->clearcolor[3] = color[3]; + xmesa->clearpixel = xmesa_color_to_pixel( xmesa, color[0], color[1], + color[2], color[3], xmesa->xm_visual->undithered_pf ); _glthread_LOCK_MUTEX(_xmesa_lock); XMesaSetForeground( xmesa->display, xmesa->xm_buffer->cleargc, diff --git a/src/mesa/drivers/x11/xm_span.c b/src/mesa/drivers/x11/xm_span.c index 00c36af44c2..623762f2057 100644 --- a/src/mesa/drivers/x11/xm_span.c +++ b/src/mesa/drivers/x11/xm_span.c @@ -1,4 +1,4 @@ -/* $Id: xm_span.c,v 1.5 2001/01/08 04:06:20 keithw Exp $ */ +/* $Id: xm_span.c,v 1.6 2001/01/24 00:04:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -4152,17 +4152,14 @@ static void read_color_pixels( const GLcontext *ctx, static void -clear_color_HPCR_ximage( GLcontext *ctx, - GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +clear_color_HPCR_ximage( GLcontext *ctx, const GLchan color[4] ) { int i; const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; - xmesa->clearcolor[0] = r; - xmesa->clearcolor[1] = g; - xmesa->clearcolor[2] = b; - xmesa->clearcolor[3] = a; - if (r == 0 && g == 0 && b == 0) { + COPY_4V(xmesa->clearcolor, color); + + if (color[0] == 0 && color[1] == 0 && color[2] == 0) { /* black is black */ MEMSET( xmesa->xm_visual->hpcr_clear_ximage_pattern, 0x0 , sizeof(xmesa->xm_visual->hpcr_clear_ximage_pattern)); @@ -4171,27 +4168,23 @@ clear_color_HPCR_ximage( GLcontext *ctx, /* build clear pattern */ for (i=0; i<16; i++) { xmesa->xm_visual->hpcr_clear_ximage_pattern[0][i] = - DITHER_HPCR(i, 0, r, g, b); + DITHER_HPCR(i, 0, color[0], color[1], color[2]); xmesa->xm_visual->hpcr_clear_ximage_pattern[1][i] = - DITHER_HPCR(i, 1, r, g, b); + DITHER_HPCR(i, 1, color[0], color[1], color[2]); } } } static void -clear_color_HPCR_pixmap( GLcontext *ctx, - GLubyte r, GLubyte g, GLubyte b, GLubyte a ) +clear_color_HPCR_pixmap( GLcontext *ctx, const GLchan color[4] ) { int i; const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx; - xmesa->clearcolor[0] = r; - xmesa->clearcolor[1] = g; - xmesa->clearcolor[2] = b; - xmesa->clearcolor[3] = a; + COPY_4V(xmesa->clearcolor, color); - if (0x0==r && 0x0==g && 0x0==b) { + if (color[0] == 0 && color[1] == 0 && color[2] == 0) { /* black is black */ for (i=0; i<16; i++) { XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 0, 0); @@ -4200,8 +4193,10 @@ clear_color_HPCR_pixmap( GLcontext *ctx, } else { for (i=0; i<16; i++) { - XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 0, DITHER_HPCR(i, 0, r, g, b)); - XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 1, DITHER_HPCR(i, 1, r, g, b)); + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 0, + DITHER_HPCR(i, 0, color[0], color[1], color[2])); + XMesaPutPixel(xmesa->xm_visual->hpcr_clear_ximage, i, 1, + DITHER_HPCR(i, 1, color[0], color[1], color[2])); } } /* change tile pixmap content */ |