summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/ggi/default/linear.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/ggi/default/linear.c')
-rw-r--r--src/mesa/drivers/ggi/default/linear.c409
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;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 14:12:52 +0000