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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c379
1 files changed, 379 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c
new file mode 100644
index 000000000..3522f4f38
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c
@@ -0,0 +1,379 @@
+/**************************************************************************
+ *
+ * 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_span.h"
+#include "intel_ioctl.h"
+#include "swrast/swrast.h"
+
+
+#define DBG 0
+
+#define LOCAL_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intel->drawMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ char *read_buf = (char *)(intel->readMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ GLushort p; \
+ (void) read_buf; (void) buf; (void) p
+
+#define LOCAL_DEPTH_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intelScreen->depth.map + \
+ dPriv->x * intelScreen->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 *)(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) 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 *)(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) 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##_16
+#include "depthtmp.h"
+
+
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intel->drawMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ char *read_buf = (char *)(intel->readMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ GLuint p; \
+ (void) read_buf; (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 *)(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) 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##_24_8
+#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##_24_8
+#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.
+ */
+static void intelSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer,
+ GLuint bufferBit)
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ if (bufferBit == BUFFER_BIT_FRONT_LEFT) {
+ intel->drawMap = (char *)intel->driScreen->pFB;
+ intel->readMap = (char *)intel->driScreen->pFB;
+ } else if (bufferBit == BUFFER_BIT_BACK_LEFT) {
+ intel->drawMap = intel->intelScreen->back.map;
+ intel->readMap = intel->intelScreen->back.map;
+ } else {
+ ASSERT(0);
+ }
+}
+
+
+/* Move locking out to get reasonable span performance.
+ */
+void intelSpanRenderStart( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ intelFlush(&intel->ctx);
+ LOCK_HARDWARE(intel);
+ intelWaitForIdle(intel);
+}
+
+void intelSpanRenderFinish( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ _swrast_flush( ctx );
+ UNLOCK_HARDWARE( intel );
+}
+
+void intelInitSpanFuncs( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+
+ struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
+
+ swdd->SetBuffer = intelSetBuffer;
+
+ switch (intelScreen->fbFormat) {
+ case DV_PF_555:
+#if 0
+ swdd->WriteRGBASpan = intelWriteRGBASpan_555;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_555;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_555;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_555;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_555;
+ swdd->ReadRGBASpan = intelReadRGBASpan_555;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_555;
+ swdd->ReadDepthSpan = intelReadDepthSpan_16;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_16;
+ swdd->ReadDepthPixels = intelReadDepthPixels_16;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_16;
+#endif
+ break;
+
+ case DV_PF_565:
+#if 0
+ swdd->WriteRGBASpan = intelWriteRGBASpan_565;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_565;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_565;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_565;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_565;
+ swdd->ReadRGBASpan = intelReadRGBASpan_565;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_565;
+ swdd->ReadDepthSpan = intelReadDepthSpan_16;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_16;
+ swdd->ReadDepthPixels = intelReadDepthPixels_16;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_16;
+#endif
+ break;
+
+ case DV_PF_8888:
+#if 0
+ swdd->WriteRGBASpan = intelWriteRGBASpan_8888;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_8888;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_8888;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_8888;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_8888;
+ swdd->ReadRGBASpan = intelReadRGBASpan_8888;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_8888;
+ swdd->ReadDepthSpan = intelReadDepthSpan_24_8;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_24_8;
+ swdd->ReadDepthPixels = intelReadDepthPixels_24_8;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_24_8;
+
+ swdd->WriteStencilSpan = intelWriteStencilSpan_24_8;
+ swdd->ReadStencilSpan = intelReadStencilSpan_24_8;
+ swdd->WriteStencilPixels = intelWriteStencilPixels_24_8;
+ swdd->ReadStencilPixels = intelReadStencilPixels_24_8;
+#endif
+ break;
+ }
+
+ 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) {
+ drb->Base.GetRow = intelReadRGBASpan_555;
+ drb->Base.GetValues = intelReadRGBAPixels_555;
+ drb->Base.PutRow = intelWriteRGBASpan_555;
+ drb->Base.PutRowRGB = intelWriteRGBSpan_555;
+ drb->Base.PutMonoRow = intelWriteMonoRGBASpan_555;
+ drb->Base.PutValues = intelWriteRGBAPixels_555;
+ drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_555;
+ }
+ else if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) {
+ drb->Base.GetRow = intelReadRGBASpan_565;
+ drb->Base.GetValues = intelReadRGBAPixels_565;
+ drb->Base.PutRow = intelWriteRGBASpan_565;
+ drb->Base.PutRowRGB = intelWriteRGBSpan_565;
+ drb->Base.PutMonoRow = intelWriteMonoRGBASpan_565;
+ drb->Base.PutValues = intelWriteRGBAPixels_565;
+ drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_565;
+ }
+ else {
+ assert(vis->redBits == 8);
+ assert(vis->greenBits == 8);
+ assert(vis->blueBits == 8);
+ drb->Base.GetRow = intelReadRGBASpan_8888;
+ drb->Base.GetValues = intelReadRGBAPixels_8888;
+ drb->Base.PutRow = intelWriteRGBASpan_8888;
+ drb->Base.PutRowRGB = intelWriteRGBSpan_8888;
+ drb->Base.PutMonoRow = intelWriteMonoRGBASpan_8888;
+ drb->Base.PutValues = intelWriteRGBAPixels_8888;
+ drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_8888;
+ }
+ }
+ else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) {
+ drb->Base.GetRow = intelReadDepthSpan_16;
+ drb->Base.GetValues = intelReadDepthPixels_16;
+ drb->Base.PutRow = intelWriteDepthSpan_16;
+ drb->Base.PutMonoRow = intelWriteMonoDepthSpan_16;
+ drb->Base.PutValues = intelWriteDepthPixels_16;
+ drb->Base.PutMonoValues = NULL;
+ }
+ else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) {
+ drb->Base.GetRow = intelReadDepthSpan_24_8;
+ drb->Base.GetValues = intelReadDepthPixels_24_8;
+ drb->Base.PutRow = intelWriteDepthSpan_24_8;
+ drb->Base.PutMonoRow = intelWriteMonoDepthSpan_24_8;
+ drb->Base.PutValues = intelWriteDepthPixels_24_8;
+ drb->Base.PutMonoValues = NULL;
+ }
+ else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
+ drb->Base.GetRow = intelReadStencilSpan_24_8;
+ drb->Base.GetValues = intelReadStencilPixels_24_8;
+ drb->Base.PutRow = intelWriteStencilSpan_24_8;
+ drb->Base.PutMonoRow = intelWriteMonoStencilSpan_24_8;
+ drb->Base.PutValues = intelWriteStencilPixels_24_8;
+ drb->Base.PutMonoValues = NULL;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 10:21:21 +0000