+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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, 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 TUNGSTEN GRAPHICS AND/OR ITS 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.
- *
- **************************************************************************/
-
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "colormac.h"
-
-#include "intel_screen.h"
-#include "intel_regions.h"
-#include "intel_span.h"
-#include "intel_ioctl.h"
-#include "intel_tex.h"
-#include "intel_batchbuffer.h"
-#include "swrast/swrast.h"
-
-#undef DBG
-#define DBG 0
-
-#define LOCAL_VARS \
- struct intel_context *intel = intel_context(ctx); \
- __DRIdrawablePrivate *dPriv = intel->driDrawable; \
- driRenderbuffer *drb = (driRenderbuffer *) rb; \
- GLuint pitch = drb->pitch; \
- GLuint height = dPriv->h; \
- char *buf = (char *) drb->Base.Data + \
- dPriv->x * drb->cpp + \
- dPriv->y * pitch; \
- GLushort p; \
- (void) buf; (void) p
-
-#define LOCAL_DEPTH_VARS \
- struct intel_context *intel = intel_context(ctx); \
- __DRIdrawablePrivate *dPriv = intel->driDrawable; \
- driRenderbuffer *drb = (driRenderbuffer *) rb; \
- GLuint pitch = drb->pitch; \
- GLuint height = dPriv->h; \
- char *buf = (char *) drb->Base.Data + \
- dPriv->x * drb->cpp + \
- dPriv->y * pitch
-
-#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
-
-#define INIT_MONO_PIXEL(p,color)\
- p = INTEL_PACKCOLOR565(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 *)(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) intel##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 *)(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) intel##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) intel##x##_z16
-#include "depthtmp.h"
-
-
-#undef LOCAL_VARS
-#define LOCAL_VARS \
- struct intel_context *intel = intel_context(ctx); \
- __DRIdrawablePrivate *dPriv = intel->driDrawable; \
- driRenderbuffer *drb = (driRenderbuffer *) rb; \
- GLuint pitch = drb->pitch; \
- GLuint height = dPriv->h; \
- char *buf = (char *)drb->Base.Data + \
- dPriv->x * drb->cpp + \
- dPriv->y * pitch; \
- GLuint p; \
- (void) buf; (void) p
-
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p,color)\
- p = INTEL_PACKCOLOR8888(color[0],color[1],color[2],color[3])
-
-/* 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 *)(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) intel##x##_8888
-#include "spantmp.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) intel##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) intel##x##_z24_s8
-#include "stenciltmp.h"
-
-
-/* Move locking out to get reasonable span performance.
- */
-void intelSpanRenderStart( GLcontext *ctx )
-{
- struct intel_context *intel = intel_context(ctx);
-
- if (intel->need_flush) {
- LOCK_HARDWARE(intel);
- intel->vtbl.emit_flush(intel, 0);
- intel_batchbuffer_flush(intel->batch);
- intel->need_flush = 0;
- UNLOCK_HARDWARE(intel);
- intelFinish(&intel->ctx);
- }
-
-
- LOCK_HARDWARE(intel);
-
- /* Just map the framebuffer and all textures. Bufmgr code will
- * take care of waiting on the necessary fences:
- */
- intel_region_map(intel, intel->front_region);
- intel_region_map(intel, intel->back_region);
- intel_region_map(intel, intel->depth_region);
-}
-
-void intelSpanRenderFinish( GLcontext *ctx )
-{
- struct intel_context *intel = intel_context( ctx );
-
- _swrast_flush( ctx );
-
- /* Now unmap the framebuffer:
- */
- intel_region_unmap(intel, intel->front_region);
- intel_region_unmap(intel, intel->back_region);
- intel_region_unmap(intel, intel->depth_region);
-
- UNLOCK_HARDWARE( intel );
-}
-
-void intelInitSpanFuncs( GLcontext *ctx )
-{
- struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
- swdd->SpanRenderStart = intelSpanRenderStart;
- swdd->SpanRenderFinish = intelSpanRenderFinish;
-}
-
-
-/**
- * Plug in the Get/Put routines for the given driRenderbuffer.
- */
-void
-intelSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis)
-{
- if (drb->Base.InternalFormat == GL_RGBA) {
- if (vis->redBits == 5 && vis->greenBits == 5 && vis->blueBits == 5) {
- intelInitPointers_555(&drb->Base);
- }
- else if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) {
- intelInitPointers_565(&drb->Base);
- }
- else {
- assert(vis->redBits == 8);
- assert(vis->greenBits == 8);
- assert(vis->blueBits == 8);
- intelInitPointers_8888(&drb->Base);
- }
- }
- else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) {
- intelInitDepthPointers_z16(&drb->Base);
- }
- else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) {
- intelInitDepthPointers_z24_s8(&drb->Base);
- }
- else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
- intelInitStencilPointers_z24_s8(&drb->Base);
- }
-}
projects / mesa.git / blobdiff