summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/i830/i830_span.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/i830/i830_span.c')
-rw-r--r--src/mesa/drivers/dri/i830/i830_span.c318
1 files changed, 0 insertions, 318 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_span.c b/src/mesa/drivers/dri/i830/i830_span.c
deleted file mode 100644
index ad34cc8f2d..0000000000
--- a/src/mesa/drivers/dri/i830/i830_span.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/**************************************************************************
-
-Copyright 2001 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
-on the rights to use, copy, modify, merge, publish, distribute, sub
-license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
-ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS 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/i830/i830_span.c,v 1.4 2002/12/10 01:26:53 dawes Exp $ */
-
-/**
- * \file i830_span.c
- *
- * Heavily based on the I810 driver, which was written by Keith Whitwell.
- *
- * \author Jeff Hartmann <jhartmann@2d3d.com>
- * \author Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "colormac.h"
-
-#include "i830_screen.h"
-#include "i830_dri.h"
-
-#include "i830_span.h"
-#include "i830_ioctl.h"
-#include "swrast/swrast.h"
-
-
-#define DBG 0
-
-#define LOCAL_VARS \
- i830ContextPtr imesa = I830_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = imesa->mesa_drawable; \
- i830ScreenPrivate *i830Screen = imesa->i830Screen; \
- GLuint pitch = i830Screen->backPitch * i830Screen->cpp; \
- GLuint height = dPriv->h; \
- char *buf = (char *)(imesa->drawMap + \
- dPriv->x * i830Screen->cpp + \
- dPriv->y * pitch); \
- char *read_buf = (char *)(imesa->readMap + \
- dPriv->x * i830Screen->cpp + \
- dPriv->y * pitch); \
- GLushort p; \
- (void) read_buf; (void) buf; (void) p
-
-#define LOCAL_DEPTH_VARS \
- i830ContextPtr imesa = I830_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = imesa->mesa_drawable; \
- i830ScreenPrivate *i830Screen = imesa->i830Screen; \
- GLuint pitch = i830Screen->backPitch * i830Screen->cpp; \
- GLuint height = dPriv->h; \
- char *buf = (char *)(i830Screen->depth.map + \
- dPriv->x * i830Screen->cpp + \
- dPriv->y * pitch)
-
-#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
-
-#define INIT_MONO_PIXEL(p,color)\
- p = PACK_COLOR_565(color[0],color[1],color[2])
-
-#define Y_FLIP(_y) (height - _y - 1)
-
-#define HW_LOCK()
-
-#define HW_UNLOCK()
-
-/* 16 bit, 565 rgb color spanline and pixel functions
- */
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- *(GLushort *)(buf + _x*2 + _y*pitch) = ( (((int)r & 0xf8) << 8) | \
- (((int)g & 0xfc) << 3) | \
- (((int)b & 0xf8) >> 3))
-#define WRITE_PIXEL( _x, _y, p ) \
- *(GLushort *)(buf + _x*2 + _y*pitch) = p
-
-#define READ_RGBA( rgba, _x, _y ) \
-do { \
- GLushort p = *(GLushort *)(read_buf + _x*2 + _y*pitch); \
- rgba[0] = (((p >> 11) & 0x1f) * 255) / 31; \
- rgba[1] = (((p >> 5) & 0x3f) * 255) / 63; \
- rgba[2] = (((p >> 0) & 0x1f) * 255) / 31; \
- rgba[3] = 255; \
-} while(0)
-
-#define TAG(x) i830##x##_565
-#include "spantmp.h"
-
-/* 15 bit, 555 rgb color spanline and pixel functions
- */
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- *(GLushort *)(buf + _x*2 + _y*pitch) = (((r & 0xf8) << 7) | \
- ((g & 0xf8) << 3) | \
- ((b & 0xf8) >> 3))
-
-#define WRITE_PIXEL( _x, _y, p ) \
- *(GLushort *)(buf + _x*2 + _y*pitch) = p
-
-#define READ_RGBA( rgba, _x, _y ) \
-do { \
- GLushort p = *(GLushort *)(read_buf + _x*2 + _y*pitch); \
- rgba[0] = (p >> 7) & 0xf8; \
- rgba[1] = (p >> 3) & 0xf8; \
- rgba[2] = (p << 3) & 0xf8; \
- rgba[3] = 255; \
-} while(0)
-
-#define TAG(x) i830##x##_555
-#include "spantmp.h"
-
-/* 16 bit depthbuffer functions.
- */
-#define WRITE_DEPTH( _x, _y, d ) \
- *(GLushort *)(buf + _x*2 + _y*pitch) = d;
-
-#define READ_DEPTH( d, _x, _y ) \
- d = *(GLushort *)(buf + _x*2 + _y*pitch);
-
-
-#define TAG(x) i830##x##_z16
-#include "depthtmp.h"
-
-
-#undef LOCAL_VARS
-#define LOCAL_VARS \
- i830ContextPtr imesa = I830_CONTEXT(ctx); \
- __DRIdrawablePrivate *dPriv = imesa->driDrawable; \
- i830ScreenPrivate *i830Screen = imesa->i830Screen; \
- GLuint pitch = i830Screen->backPitch * i830Screen->cpp; \
- GLuint height = dPriv->h; \
- char *buf = (char *)(imesa->drawMap + \
- dPriv->x * i830Screen->cpp + \
- dPriv->y * pitch); \
- char *read_buf = (char *)(imesa->readMap + \
- dPriv->x * i830Screen->cpp + \
- dPriv->y * pitch); \
- GLuint p = I830_CONTEXT( ctx )->MonoColor; \
- (void) read_buf; (void) buf; (void) p
-
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p,color)\
- p = PACK_COLOR_888(color[0],color[1],color[2])
-
-/* 32 bit, 8888 argb color spanline and pixel functions
- */
-#define WRITE_RGBA(_x, _y, r, g, b, a) \
- *(GLuint *)(buf + _x*4 + _y*pitch) = ((r << 16) | \
- (g << 8) | \
- (b << 0) | \
- (a << 24) )
-
-#define WRITE_PIXEL(_x, _y, p) \
- *(GLuint *)(buf + _x*4 + _y*pitch) = p
-
-
-#define READ_RGBA(rgba, _x, _y) \
- do { \
- GLuint p = *(GLuint *)(read_buf + _x*4 + _y*pitch); \
- rgba[0] = (p >> 16) & 0xff; \
- rgba[1] = (p >> 8) & 0xff; \
- rgba[2] = (p >> 0) & 0xff; \
- rgba[3] = (p >> 24) & 0xff; \
- } while (0)
-
-#define TAG(x) i830##x##_8888
-#include "spantmp.h"
-
-/* 24 bit depthbuffer functions.
- */
-#define WRITE_DEPTH( _x, _y, d ) \
- *(GLuint *)(buf + _x*4 + _y*pitch) = 0xffffff & d;
-
-#define READ_DEPTH( d, _x, _y ) \
- d = *(GLuint *)(buf + _x*4 + _y*pitch) & 0xffffff;
-
-#define TAG(x) i830##x##_z24
-#include "depthtmp.h"
-
-/* 24/8 bit interleaved depth/stencil functions
- */
-#define WRITE_DEPTH( _x, _y, d ) { \
- GLuint tmp = *(GLuint *)(buf + _x*4 + _y*pitch); \
- tmp &= 0xff000000; \
- tmp |= (d) & 0xffffff; \
- *(GLuint *)(buf + _x*4 + _y*pitch) = tmp; \
-}
-
-#define READ_DEPTH( d, _x, _y ) \
- d = *(GLuint *)(buf + _x*4 + _y*pitch) & 0xffffff;
-
-
-#define TAG(x) i830##x##_z24_s8
-#include "depthtmp.h"
-
-#define WRITE_STENCIL( _x, _y, d ) { \
- GLuint tmp = *(GLuint *)(buf + _x*4 + _y*pitch); \
- tmp &= 0xffffff; \
- tmp |= (d<<24); \
- *(GLuint *)(buf + _x*4 + _y*pitch) = tmp; \
-}
-
-#define READ_STENCIL( d, _x, _y ) \
- d = *(GLuint *)(buf + _x*4 + _y*pitch) >> 24;
-
-#define TAG(x) i830##x##_z24_s8
-#include "stenciltmp.h"
-
-/*
- * This function is called to specify which buffer to read and write
- * for software rasterization (swrast) fallbacks. This doesn't necessarily
- * correspond to glDrawBuffer() or glReadBuffer() calls.
- */
-#if 000
-static void i830SetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer,
- GLuint bufferBit)
-{
- i830ContextPtr imesa = I830_CONTEXT(ctx);
-
- assert( (colorBuffer == imesa->driDrawable->driverPrivate)
- || (colorBuffer == imesa->driReadable->driverPrivate) );
-
- imesa->mesa_drawable = (colorBuffer == imesa->driDrawable->driverPrivate)
- ? imesa->driDrawable : imesa->driReadable;
-
- if (bufferBit == BUFFER_BIT_FRONT_LEFT) {
- imesa->drawMap = (char *)imesa->driScreen->pFB;
- imesa->readMap = (char *)imesa->driScreen->pFB;
- } else if (bufferBit == BUFFER_BIT_BACK_LEFT) {
- imesa->drawMap = imesa->i830Screen->back.map;
- imesa->readMap = imesa->i830Screen->back.map;
- } else {
- ASSERT(0);
- }
-}
-#endif
-
-
-/* Move locking out to get reasonable span performance.
- */
-void i830SpanRenderStart( GLcontext *ctx )
-{
- i830ContextPtr imesa = I830_CONTEXT(ctx);
- I830_FIREVERTICES(imesa);
- LOCK_HARDWARE(imesa);
- i830RegetLockQuiescent( imesa );
-}
-
-void i830SpanRenderFinish( GLcontext *ctx )
-{
- i830ContextPtr imesa = I830_CONTEXT( ctx );
- _swrast_flush( ctx );
- UNLOCK_HARDWARE( imesa );
-}
-
-void i830DDInitSpanFuncs( GLcontext *ctx )
-{
- struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
- swdd->SpanRenderStart = i830SpanRenderStart;
- swdd->SpanRenderFinish = i830SpanRenderFinish;
-}
-
-
-/**
- * Plug in the Get/Put routines for the given driRenderbuffer.
- */
-void
-i830SetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis)
-{
- if (drb->Base.InternalFormat == GL_RGBA) {
- if (vis->redBits == 5 && vis->greenBits == 5 && vis->blueBits == 5) {
- i830InitPointers_555(&drb->Base);
- }
- else if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) {
- i830InitPointers_565(&drb->Base);
- }
- else {
- assert(vis->redBits == 8);
- assert(vis->greenBits == 8);
- assert(vis->blueBits == 8);
- i830InitPointers_8888(&drb->Base);
- }
- }
- else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) {
- i830InitDepthPointers_z16(&drb->Base);
- }
- else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) {
- i830InitDepthPointers_z24_s8(&drb->Base);
- }
- else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT32) {
- /* not _really_ 32-bit Z */
- i830InitDepthPointers_z24(&drb->Base);
- }
- else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
- i830InitStencilPointers_z24_s8(&drb->Base);
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-01 04:06:59 +0000