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Diffstat (limited to 'xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c')
-rw-r--r--xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c382
1 files changed, 382 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c
new file mode 100644
index 000000000..52a7a1755
--- /dev/null
+++ b/xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c
@@ -0,0 +1,382 @@
+/* -*- mode: c; c-basic-offset: 3 -*-
+ *
+ * Copyright 2000 VA Linux Systems Inc., Fremont, California.
+ *
+ * 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"),
+ * 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 (including the next
+ * paragraph) 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
+ * VA LINUX SYSTEMS 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.
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_wrapper.c,v 1.1 2001/03/21 16:14:28 dawes Exp $ */
+
+/*
+ * Original rewrite:
+ * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000
+ *
+ * Authors:
+ * Gareth Hughes <gareth@valinux.com>
+ * Brian Paul <brianp@valinux.com>
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "tdfx_context.h"
+
+
+FxI32
+FX_grGetInteger_NoLock(FxU32 pname)
+{
+ switch (pname) {
+ case FX_FOG_TABLE_ENTRIES:
+ case FX_GLIDE_STATE_SIZE:
+ case FX_LFB_PIXEL_PIPE:
+ case FX_PENDING_BUFFERSWAPS:
+ case FX_TEXTURE_ALIGN:
+ case GR_STATS_PIXELS_DEPTHFUNC_FAIL:
+ case GR_STATS_PIXELS_IN:
+ case GR_STATS_PIXELS_OUT:
+ {
+ FxI32 result;
+ FxU32 grname = pname;
+ grGet(grname, 4, &result);
+ return result;
+ }
+ case FX_ZDEPTH_MAX:
+ {
+ FxI32 zvals[2];
+ grGet(GR_ZDEPTH_MIN_MAX, 8, zvals);
+ return zvals[0];
+ }
+ default:
+ if (MESA_VERBOSE & VERBOSE_DRIVER) {
+ fprintf(stderr, "Wrong parameter in FX_grGetInteger!\n");
+ }
+ }
+
+ return 0;
+}
+
+
+FxI32
+FX_grGetInteger(tdfxContextPtr fxMesa, FxU32 pname)
+{
+ int result;
+ LOCK_HARDWARE(fxMesa);
+ result = FX_grGetInteger_NoLock(pname);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+
+const char *
+FX_grGetString(tdfxContextPtr fxMesa, FxU32 pname)
+{
+ const char *s;
+ LOCK_HARDWARE(fxMesa);
+ s = grGetString(pname);
+ UNLOCK_HARDWARE(fxMesa);
+ return s;
+}
+
+
+
+/* Wrapper for grColorMask() and grColorMaskExt().
+ */
+void
+FX_grColorMask(GLcontext *ctx, GLboolean r, GLboolean g,
+ GLboolean b, GLboolean a)
+{
+ tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
+ LOCK_HARDWARE(fxMesa);
+ if (ctx->Visual->RedBits == 8) {
+ /* 32bpp mode */
+ ASSERT( grColorMaskExtProc );
+ grColorMaskExtProc(r, g, b, a);
+ }
+ else {
+ /* 16 bpp mode */
+ /* we never have an alpha buffer */
+ grColorMask(r || g || b, GL_FALSE);
+ }
+ UNLOCK_HARDWARE(fxMesa);
+}
+
+
+void
+FX_grColorMask_NoLock(GLcontext *ctx, GLboolean r, GLboolean g,
+ GLboolean b, GLboolean a)
+{
+ if (ctx->Visual->RedBits == 8) {
+ /* 32bpp mode */
+ ASSERT( grColorMaskExtProc );
+ grColorMaskExtProc(r, g, b, a);
+ }
+ else {
+ /* 16 bpp mode */
+ /* we never have an alpha buffer */
+ grColorMask(r || g || b, GL_FALSE);
+ }
+}
+
+
+/* As above, but pass the mask as an array
+ */
+void
+FX_grColorMaskv(GLcontext *ctx, const GLboolean rgba[4])
+{
+ tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
+ LOCK_HARDWARE(fxMesa);
+ if (ctx->Visual->RedBits == 8) {
+ /* 32bpp mode */
+ ASSERT( grColorMaskExtProc );
+ grColorMaskExtProc(rgba[RCOMP], rgba[GCOMP],
+ rgba[BCOMP], rgba[ACOMP]);
+ }
+ else {
+ /* 16 bpp mode */
+ /* we never have an alpha buffer */
+ grColorMask(rgba[RCOMP] || rgba[GCOMP] || rgba[BCOMP], GL_FALSE);
+ }
+ UNLOCK_HARDWARE(fxMesa);
+}
+
+void
+FX_grColorMaskv_NoLock(GLcontext *ctx, const GLboolean rgba[4])
+{
+ if (ctx->Visual->RedBits == 8) {
+ /* 32bpp mode */
+ ASSERT( grColorMaskExtProc );
+ grColorMaskExtProc(rgba[RCOMP], rgba[GCOMP],
+ rgba[BCOMP], rgba[ACOMP]);
+ }
+ else {
+ /* 16 bpp mode */
+ /* we never have an alpha buffer */
+ grColorMask(rgba[RCOMP] || rgba[GCOMP] || rgba[BCOMP], GL_FALSE);
+ }
+}
+
+
+
+FxBool
+FX_grLfbLock(tdfxContextPtr fxMesa, GrLock_t type, GrBuffer_t buffer,
+ GrLfbWriteMode_t writeMode, GrOriginLocation_t origin,
+ FxBool pixelPipeline, GrLfbInfo_t * info)
+{
+ FxBool result;
+
+ LOCK_HARDWARE(fxMesa);
+ result = grLfbLock(type, buffer, writeMode, origin, pixelPipeline, info);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+FxU32
+FX_grTexTextureMemRequired(tdfxContextPtr fxMesa, FxU32 evenOdd, GrTexInfo * info)
+{
+ FxU32 result;
+
+ LOCK_HARDWARE(fxMesa);
+ result = grTexTextureMemRequired(evenOdd, info);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+FxU32
+FX_grTexMinAddress(tdfxContextPtr fxMesa, GrChipID_t tmu)
+{
+ FxU32 result;
+
+ LOCK_HARDWARE(fxMesa);
+ result = grTexMinAddress(tmu);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+extern FxU32
+FX_grTexMaxAddress(tdfxContextPtr fxMesa, GrChipID_t tmu)
+{
+ FxU32 result;
+
+ LOCK_HARDWARE(fxMesa);
+ result = grTexMaxAddress(tmu);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+
+int
+FX_getFogTableSize(tdfxContextPtr fxMesa)
+{
+ int result;
+ LOCK_HARDWARE(fxMesa);
+ grGet(GR_FOG_TABLE_ENTRIES, sizeof(int), (void *) &result);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+int
+FX_getGrStateSize(tdfxContextPtr fxMesa)
+{
+ int result;
+ LOCK_HARDWARE(fxMesa);
+ grGet(GR_GLIDE_STATE_SIZE, sizeof(int), (void *) &result);
+ UNLOCK_HARDWARE(fxMesa);
+ return result;
+}
+
+void
+FX_grAADrawLine(tdfxContextPtr fxMesa, GrVertex * a, GrVertex * b)
+{
+ /* ToDo */
+ BEGIN_CLIP_LOOP(fxMesa);
+ grDrawLine(a, b);
+ END_CLIP_LOOP(fxMesa);
+}
+
+void
+FX_grAADrawPoint(tdfxContextPtr fxMesa, GrVertex * a)
+{
+ BEGIN_CLIP_LOOP(fxMesa);
+ grDrawPoint(a);
+ END_CLIP_LOOP(fxMesa);
+}
+
+void
+FX_grDrawPolygonVertexList(tdfxContextPtr fxMesa, int n, GrVertex * verts)
+{
+ BEGIN_CLIP_LOOP(fxMesa);
+ grDrawVertexArrayContiguous(GR_POLYGON, n, verts, sizeof(GrVertex));
+ END_CLIP_LOOP(fxMesa);
+}
+
+#if TDFX_USE_PARGB
+void
+FX_setupGrVertexLayout(tdfxContextPtr fxMesa)
+{
+ LOCK_HARDWARE(fxMesa);
+ grReset(GR_VERTEX_PARAMETER);
+
+ grCoordinateSpace(GR_WINDOW_COORDS);
+ grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_PARGB_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Z, GR_VERTEX_OOZ_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2, GR_PARAM_DISABLE);
+ grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2, GR_PARAM_DISABLE);
+ grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2, GR_PARAM_DISABLE);
+ UNLOCK_HARDWARE(fxMesa);
+}
+#else /* TDFX_USE_PARGB */
+void
+FX_setupGrVertexLayout(tdfxContextPtr fxMesa)
+{
+ LOCK_HARDWARE(fxMesa);
+ grReset(GR_VERTEX_PARAMETER);
+
+ grCoordinateSpace(GR_WINDOW_COORDS);
+ grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_RGB, GR_VERTEX_R_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_A, GR_VERTEX_A_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Z, GR_VERTEX_OOZ_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2, GR_PARAM_ENABLE);
+ grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2, GR_PARAM_DISABLE);
+ grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2, GR_PARAM_DISABLE);
+ grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2, GR_PARAM_DISABLE);
+ UNLOCK_HARDWARE(fxMesa);
+}
+#endif /* TDFX_USE_PARGB */
+
+void
+FX_grHints_NoLock(GrHint_t hintType, FxU32 hintMask)
+{
+ switch (hintType) {
+ case GR_HINT_STWHINT:
+ {
+ if (hintMask & GR_STWHINT_W_DIFF_TMU0)
+ grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
+ GR_PARAM_ENABLE);
+ else
+ grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
+ GR_PARAM_DISABLE);
+
+ if (hintMask & GR_STWHINT_ST_DIFF_TMU1)
+ grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
+ GR_PARAM_ENABLE);
+ else
+ grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
+ GR_PARAM_DISABLE);
+
+ if (hintMask & GR_STWHINT_W_DIFF_TMU1)
+ grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
+ GR_PARAM_ENABLE);
+ else
+ grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
+ GR_PARAM_DISABLE);
+
+ }
+ }
+}
+
+void
+FX_grHints(tdfxContextPtr fxMesa, GrHint_t hintType, FxU32 hintMask)
+{
+ LOCK_HARDWARE(fxMesa);
+ FX_grHints_NoLock(hintType, hintMask);
+ UNLOCK_HARDWARE(fxMesa);
+}
+
+/* It appears to me that this function is needed either way. */
+FX_GrContext_t
+FX_grSstWinOpen(tdfxContextPtr fxMesa,
+ FxU32 hWnd,
+ GrScreenResolution_t screen_resolution,
+ GrScreenRefresh_t refresh_rate,
+ GrColorFormat_t color_format,
+ GrOriginLocation_t origin_location,
+ int nColBuffers, int nAuxBuffers)
+{
+ FX_GrContext_t i;
+ LOCK_HARDWARE(fxMesa);
+ i = grSstWinOpen(hWnd,
+ screen_resolution,
+ refresh_rate,
+ color_format, origin_location, nColBuffers, nAuxBuffers);
+
+ /*
+ fprintf(stderr,
+ "grSstWinOpen( win %d res %d ref %d fmt %d\n"
+ " org %d ncol %d naux %d )\n"
+ " ==> %d\n",
+ hWnd,
+ screen_resolution,
+ refresh_rate,
+ color_format,
+ origin_location,
+ nColBuffers,
+ nAuxBuffers,
+ i);
+ */
+ UNLOCK_HARDWARE(fxMesa);
+ return i;
+}
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