+++ /dev/null
-/*
- *
- * GLX Hardware Device Driver for Sun Creator/Creator3D
- * Copyright (C) 2001 David S. Miller
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * 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
- * DAVID MILLER, OR ANY OTHER CONTRIBUTORS 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.
- *
- *
- * David S. Miller <davem@redhat.com>
- */
-
-#include "ffb_context.h"
-#include "ffb_state.h"
-#include "ffb_lock.h"
-#include "ffb_bitmap.h"
-#include "swrast/swrast.h"
-#include "main/macros.h"
-
-/* Compute ceiling of integer quotient of A divided by B: */
-#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
-
-#undef FFB_BITMAP_TRACE
-
-static void
-ffb_bitmap(GLcontext *ctx, GLint px, GLint py,
- GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap)
-{
- ffbContextPtr fmesa = FFB_CONTEXT(ctx);
- ffb_fbcPtr ffb = fmesa->regs;
- __DRIdrawable *dPriv = fmesa->driDrawable;
- unsigned int ppc, pixel;
- GLint row, col, row_stride;
- const GLubyte *src;
- char *buf;
-
- if (fmesa->bad_fragment_attrs != 0)
- _swrast_Bitmap(ctx, px, py, width,
- height, unpack, bitmap);
-
- pixel = (((((GLuint)(ctx->Current.RasterColor[0] * 255.0f)) & 0xff) << 0) |
- ((((GLuint)(ctx->Current.RasterColor[1] * 255.0f)) & 0xff) << 8) |
- ((((GLuint)(ctx->Current.RasterColor[2] * 255.0f)) & 0xff) << 16) |
- ((((GLuint)(ctx->Current.RasterColor[3] * 255.0f)) & 0xff) << 24));
-
-#ifdef FFB_BITMAP_TRACE
- fprintf(stderr, "ffb_bitmap: ppc(%08x) fbc(%08x) cmp(%08x) pixel(%08x)\n",
- fmesa->ppc, fmesa->fbc, fmesa->cmp, pixel);
-#endif
-
- LOCK_HARDWARE(fmesa);
- fmesa->hw_locked = 1;
-
- if (fmesa->state_dirty)
- ffbSyncHardware(fmesa);
-
- ppc = fmesa->ppc;
-
- FFBFifo(fmesa, 4);
- ffb->ppc = ((ppc &
- ~(FFB_PPC_TBE_MASK | FFB_PPC_ZS_MASK | FFB_PPC_CS_MASK | FFB_PPC_XS_MASK))
- | (FFB_PPC_TBE_TRANSPARENT | FFB_PPC_ZS_CONST | FFB_PPC_CS_CONST |
- (ctx->Color.BlendEnabled ? FFB_PPC_XS_CONST : FFB_PPC_XS_WID)));
- ffb->constz = ((GLuint) (ctx->Current.RasterPos[2] * 0x0fffffff));
- ffb->fg = pixel;
- ffb->fontinc = (0 << 16) | 32;
-
- buf = (char *)(fmesa->sfb32 + (dPriv->x << 2) + (dPriv->y << 13));
-
- row_stride = (unpack->Alignment * CEILING(width, 8 * unpack->Alignment));
- src = (const GLubyte *) (bitmap +
- (unpack->SkipRows * row_stride) +
- (unpack->SkipPixels / 8));
- if (unpack->LsbFirst == GL_TRUE) {
- for (row = 0; row < height; row++, src += row_stride) {
- const GLubyte *row_src = src;
- GLuint base_x, base_y;
-
- base_x = dPriv->x + px;
- base_y = dPriv->y + (dPriv->h - (py + row));
-
- FFBFifo(fmesa, 1);
- ffb->fontxy = (base_y << 16) | base_x;
-
- for (col = 0; col < width; col += 32, row_src += 4) {
- GLint bitnum, font_w = (width - col);
- GLuint font_data;
-
- if (font_w > 32)
- font_w = 32;
- font_data = 0;
- for (bitnum = 0; bitnum < 32; bitnum++) {
- const GLubyte val = row_src[bitnum >> 3];
-
- if (val & (1 << (bitnum & (8 - 1))))
- font_data |= (1 << (31 - bitnum));
- }
-
- FFBFifo(fmesa, 2);
- ffb->fontw = font_w;
- ffb->font = font_data;
- }
- }
- } else {
- for (row = 0; row < height; row++, src += row_stride) {
- const GLubyte *row_src = src;
- GLuint base_x, base_y;
-
- base_x = dPriv->x + px;
- base_y = dPriv->y + (dPriv->h - (py + row));
-
- FFBFifo(fmesa, 1);
- ffb->fontxy = (base_y << 16) | base_x;
-
- for (col = 0; col < width; col += 32, row_src += 4) {
- GLint font_w = (width - col);
-
- if (font_w > 32)
- font_w = 32;
- FFBFifo(fmesa, 2);
- ffb->fontw = font_w;
- ffb->font = (((unsigned int)row_src[0]) << 24 |
- ((unsigned int)row_src[1]) << 16 |
- ((unsigned int)row_src[2]) << 8 |
- ((unsigned int)row_src[3]) << 0);
- }
- }
- }
-
- FFBFifo(fmesa, 1);
- ffb->ppc = ppc;
- fmesa->ffbScreen->rp_active = 1;
-
- UNLOCK_HARDWARE(fmesa);
- fmesa->hw_locked = 0;
-}
-
-void ffbDDInitBitmapFuncs(GLcontext *ctx)
-{
- ctx->Driver.Bitmap = ffb_bitmap;
-}
projects / mesa.git / blobdiff