diff options
Diffstat (limited to 'src/mesa/drivers/ggi/default/linear.c')
-rw-r--r-- | src/mesa/drivers/ggi/default/linear.c | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/src/mesa/drivers/ggi/default/linear.c b/src/mesa/drivers/ggi/default/linear.c deleted file mode 100644 index 9d29761ad5..0000000000 --- a/src/mesa/drivers/ggi/default/linear.c +++ /dev/null @@ -1,409 +0,0 @@ -/* GGI-Driver for MESA - * - * Copyright (C) 1997 Uwe Maurer - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * --------------------------------------------------------------------- - * This code was derived from the following source of information: - * - * svgamesa.c and ddsample.c by Brian Paul - * - */ - -#include <ggi/mesa/ggimesa.h> -#include <ggi/mesa/ggimesa_int.h> -#include <ggi/mesa/debug.h> -#include "swrast/swrast.h" - -#define RMASK ((1<<R)-1) -#define GMASK ((1<<G)-1) -#define BMASK ((1<<B)-1) - -#define RS (8-R) -#define GS (8-G) -#define BS (8-B) - -#define PACK(color) (((color[RCOMP]>>RS) << (G+B)) | \ - ((color[GCOMP]>>GS) << B) | \ - ((color[BCOMP]>>BS))) - -#define FLIP(coord) (LIBGGI_VIRTY(ggi_ctx->ggi_visual) - (coord) - 1) - - -/**********************************************************************/ -/***** Write spans of pixels *****/ -/**********************************************************************/ - -void GGIwrite_ci32_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLuint ci[], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask) { - while (n--) { - if (*mask++) - *fb = *ci; - fb++; - ci++; - } - } else { - while (n--) *fb++ = *ci++; - } -} - -void GGIwrite_ci8_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLubyte ci[], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask) { - while (n--) { - if (*mask++) - *fb = *ci; - fb++; - ci++; - } - } else { - while (n--) *fb++ = *ci++; - } -} - - -void GGIwrite_rgba_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLchan rgba[][4], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask) { - while (n--) { - if (*mask++) - *fb = PACK(rgba[0]); - fb++; - rgba++; - } - } else { - while (n--) { - *fb++ = PACK(rgba[0]); - rgba++; - } - } -} - -void GGIwrite_rgb_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLchan rgba[][3], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask) { - while (n--) { - if (*mask++) - *fb = PACK(rgba[0]); - fb++; - rgba++; - } - } else { - while (n--) { - *fb++ = PACK(rgba[0]); - rgba++; - } - } -} - - -void GGIwrite_mono_rgba_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask) { - while (n--){ - if (*mask++) - *fb = PACK(color); - ++fb; - } - } else { - while (n--) - *fb++ = PACK(color); - - /* Alternatively we could write a potentialy faster HLine - ggiSetGCForeground(ggi_ctx->ggi_visual, color); - ggiDrawHLine(ggi_ctx->ggi_visual,x,FLIP(y),n); - */ - } -} - -void GGIwrite_mono_ci_span(const GLcontext *ctx, GLuint n, GLint x, GLint y, - const GLuint ci, const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - if (mask){ - while (n--){ - if (*mask++) - *fb = ci; - ++fb; - } - } else { - while (n--) - *fb++ = ci; - - /* Alternatively we could write a potentialy faster HLine - ggiSetGCForeground(ggi_ctx->ggi_visual, ci); - ggiDrawHLine(ggi_ctx->ggi_visual, x, FLIP(y), n); - */ - } -} - - -/**********************************************************************/ -/***** Read spans of pixels *****/ -/**********************************************************************/ - - -void GGIread_ci32_span(const GLcontext *ctx, - GLuint n, GLint x, GLint y, GLuint ci[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - while (n--) - *ci++ = (GLuint)*fb++; -} - -void GGIread_rgba_span(const GLcontext *ctx, - GLuint n, GLint x, GLint y, GLchan rgba[][4]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - FB_TYPE color; - FB_TYPE *fb; - fb = (FB_TYPE *)((char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual) + - FLIP(y)*LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual)) + x; - - while (n--) { - color = *fb++; - rgba[0][RCOMP] = (GLubyte) (color>>(G+B))<<RS; - rgba[0][GCOMP] = (GLubyte) ((color>>B)& ((1<<G)-1))<<GS; - rgba[0][BCOMP] = (GLubyte) (color & ((1<<B)-1))<<BS; - rgba[0][ACOMP] = 0; - rgba++; - } -} - -/**********************************************************************/ -/***** Write arrays of pixels *****/ -/**********************************************************************/ - -void GGIwrite_ci32_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLuint ci[], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - - while (n--) { - if (*mask++){ - FB_TYPE *dst = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - *dst = *ci; - } - ci++; - x++; - y++; - } -} - -void GGIwrite_mono_ci_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint ci, const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - - while (n--) { - if (*mask++){ - FB_TYPE *dst = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - *dst = ci; - } - x++; - y++; - } -} - -void GGIwrite_rgba_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLchan rgba[][4], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - - while (n--) { - if (*mask++){ - FB_TYPE *dst = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - *dst = PACK(rgba[0]); - } - x++; - y++; - rgba++; - } -} - -void GGIwrite_mono_rgba_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - const GLchan rgba[4], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - - while (n--) { - if (*mask++){ - FB_TYPE *dst = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - *dst = PACK(rgba); - } - - x++; - y++; - } -} - -/**********************************************************************/ -/***** Read arrays of pixels *****/ -/**********************************************************************/ - -void GGIread_ci32_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLuint ci[], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - - while (n--) { - if (*mask++){ - FB_TYPE *src = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - *ci = *src; - } - ci++; - x++; - y++; - } -} - -void GGIread_rgba_pixels(const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[]) -{ - ggi_mesa_context_t ggi_ctx = (ggi_mesa_context_t)ctx->DriverCtx; - int stride = LIBGGI_FB_W_STRIDE(ggi_ctx->ggi_visual); - char *fb = (char *)LIBGGI_CURWRITE(ggi_ctx->ggi_visual); - FB_TYPE color; - - while (n--) { - if (*mask++) { - FB_TYPE *src = (FB_TYPE*)(fb + FLIP(*y)*stride) + *x; - color = *src; - - rgba[0][RCOMP] = (GLubyte)(color>>(G+B))<<RS; - rgba[0][GCOMP] = (GLubyte)((color>>B)& ((1<<G)-1))<<GS; - rgba[0][BCOMP] = (GLubyte) (color & ((1<<B)-1))<<BS; - rgba[0][ACOMP] = 0; - } - x++; - y++; - rgba++; - } -} - -void GGIset_buffer(GLcontext *ctx, GLframebuffer *buffer, GLenum mode) -{ -} - -int GGIsetup_driver(ggi_mesa_context_t ggi_ctx) -{ - struct swrast_device_driver *swdd = - _swrast_GetDeviceDriverReference(ggi_ctx->gl_ctx); - - GGIMESADPRINT_LIBS("linear_%d: GGIsetup_driver\n", sizeof(FB_TYPE)*8); - - swdd->WriteRGBASpan = GGIwrite_rgba_span; - swdd->WriteRGBSpan = GGIwrite_rgb_span; - swdd->WriteMonoRGBASpan = GGIwrite_mono_rgba_span; - swdd->WriteRGBAPixels = GGIwrite_rgba_pixels; - swdd->WriteMonoRGBAPixels = GGIwrite_mono_rgba_pixels; - - swdd->WriteCI32Span = GGIwrite_ci32_span; - swdd->WriteCI8Span = GGIwrite_ci8_span; - swdd->WriteMonoCISpan = GGIwrite_mono_ci_span; - swdd->WriteCI32Pixels = GGIwrite_ci32_pixels; - swdd->WriteMonoCIPixels = GGIwrite_mono_ci_pixels; - - swdd->ReadCI32Span = GGIread_ci32_span; - swdd->ReadRGBASpan = GGIread_rgba_span; - swdd->ReadCI32Pixels = GGIread_ci32_pixels; - swdd->ReadRGBAPixels = GGIread_rgba_pixels; - - swdd->SetBuffer = GGIset_buffer; - - return 0; -} - -static int GGIopen(ggi_visual_t vis,struct ggi_dlhandle *dlh, - const char *args,void *argptr, uint32 *dlret) -{ - GGIMESADPRINT_CORE("linear_%d: GGIOpen\n", sizeof(FB_TYPE)*8); - LIBGGI_MESAEXT(vis)->setup_driver = GGIsetup_driver; - - *dlret = GGI_DL_OPDRAW; - return 0; -} - -int DLOPENFUNC(int func, void **funcptr) -{ - switch (func) { - case GGIFUNC_open: - *funcptr = GGIopen; - return 0; - case GGIFUNC_exit: - case GGIFUNC_close: - *funcptr = NULL; - return 0; - default: - *funcptr = NULL; - } - return GGI_ENOTFOUND; -} - |