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-rw-r--r--src/mesa/drivers/beos/GLView.cpp1233
1 files changed, 1233 insertions, 0 deletions
diff --git a/src/mesa/drivers/beos/GLView.cpp b/src/mesa/drivers/beos/GLView.cpp
new file mode 100644
index 00000000000..4332f97b205
--- /dev/null
+++ b/src/mesa/drivers/beos/GLView.cpp
@@ -0,0 +1,1233 @@
+/* $Id: GLView.cpp,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 3.1
+ *
+ * Copyright (C) 1999 Brian Paul 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 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
+ * BRIAN PAUL 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.
+ */
+
+
+/*
+ * $Log: GLView.cpp,v $
+ * Revision 1.1 1999/08/19 00:55:41 jtg
+ * Initial revision
+ *
+ * Revision 1.7 1999/03/28 21:08:17 brianp
+ * updated SetBuffer driver function
+ *
+ * Revision 1.6 1999/02/14 03:44:37 brianp
+ * new copyright
+ *
+ * Revision 1.5 1999/02/11 03:50:57 brianp
+ * added CopySubBufferMESA()
+ *
+ * Revision 1.4 1999/02/06 17:44:59 brianp
+ * code clean-up and bug fixes
+ *
+ * Revision 1.3 1999/02/04 04:13:15 brianp
+ * implemented double buffering
+ *
+ * Revision 1.2 1999/02/03 04:23:28 brianp
+ * basic device driver functions now work (yeah!)
+ *
+ * Revision 1.1 1999/02/02 04:40:46 brianp
+ * Initial revision
+ */
+
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <GLView.h>
+#include "../src/context.h"
+
+
+// BeOS component ordering for B_RGBA32 bitmap format
+#define BE_RCOMP 2
+#define BE_GCOMP 1
+#define BE_BCOMP 0
+#define BE_ACOMP 3
+
+
+//
+// This object hangs off of the BGLView object. We have to use
+// Be's BGLView class as-is to maintain binary compatibility (we
+// can't add new members to it). Instead we just put all our data
+// in this class and use BGLVIew::m_gc to point to it.
+//
+class AuxInfo
+{
+public:
+ AuxInfo();
+ ~AuxInfo();
+ void Init(BGLView *bglView, GLcontext *c, GLvisual *v, GLframebuffer *b);
+
+ void MakeCurrent();
+ void SwapBuffers() const;
+ void CopySubBuffer(GLint x, GLint y, GLuint width, GLuint height) const;
+
+private:
+ AuxInfo(const AuxInfo &rhs); // copy constructor illegal
+ AuxInfo &operator=(const AuxInfo &rhs); // assignment oper. illegal
+
+ GLcontext *mContext;
+ GLvisual *mVisual;
+ GLframebuffer *mBuffer;
+
+ BGLView *mBGLView;
+ BBitmap *mBitmap;
+
+ GLubyte mColor[4]; // current color
+ GLuint mIndex; // current color index
+ GLubyte mClearColor[4]; // buffer clear color
+ GLuint mClearIndex; // buffer clear color index
+ GLint mBottom; // used for flipping Y coords
+ GLint mWidth, mHeight; // size of buffer
+
+ // Mesa device driver functions
+ static void UpdateState(GLcontext *ctx);
+ static void ClearIndex(GLcontext *ctx, GLuint index);
+ static void ClearColor(GLcontext *ctx, GLubyte r, GLubyte g,
+ GLubyte b, GLubyte a);
+ static GLbitfield ClearFront(GLcontext *ctx, GLbitfield mask,
+ GLboolean all, GLint x, GLint y,
+ GLint width, GLint height);
+ static GLbitfield ClearBack(GLcontext *ctx, GLbitfield mask,
+ GLboolean all, GLint x, GLint y,
+ GLint width, GLint height);
+ static void Index(GLcontext *ctx, GLuint index);
+ static void Color(GLcontext *ctx, GLubyte r, GLubyte g,
+ GLubyte b, GLubyte a);
+ static GLboolean SetBuffer(GLcontext *ctx, GLenum mode);
+ static void GetBufferSize(GLcontext *ctgx, GLuint *width,
+ GLuint *height);
+ static const GLubyte *GetString(GLcontext *ctx, GLenum name);
+
+ // Front-buffer functions
+ static void WriteRGBASpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[]);
+ static void WriteRGBSpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][3],
+ const GLubyte mask[]);
+ static void WriteMonoRGBASpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[]);
+ static void WriteRGBAPixelsFront(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[]);
+ static void WriteMonoRGBAPixelsFront(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[]);
+ static void WriteCI32SpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLuint index[], const GLubyte mask[]);
+ static void WriteCI8SpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLubyte index[], const GLubyte mask[]);
+ static void WriteMonoCISpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[]);
+ static void WriteCI32PixelsFront(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLuint index[], const GLubyte mask[]);
+ static void WriteMonoCIPixelsFront(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[]);
+ static void ReadCI32SpanFront(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint index[]);
+ static void ReadRGBASpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ GLubyte rgba[][4]);
+ static void ReadCI32PixelsFront(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint indx[], const GLubyte mask[]);
+ static void ReadRGBAPixelsFront(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[]);
+
+ // Back buffer functions
+ static void WriteRGBASpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[]);
+ static void WriteRGBSpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][3],
+ const GLubyte mask[]);
+ static void WriteMonoRGBASpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[]);
+ static void WriteRGBAPixelsBack(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[]);
+ static void WriteMonoRGBAPixelsBack(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[]);
+ static void WriteCI32SpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLuint index[], const GLubyte mask[]);
+ static void WriteCI8SpanBack(const GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLubyte index[], const GLubyte mask[]);
+ static void WriteMonoCISpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLubyte mask[]);
+ static void WriteCI32PixelsBack(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLuint index[], const GLubyte mask[]);
+ static void WriteMonoCIPixelsBack(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte mask[]);
+ static void ReadCI32SpanBack(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint index[]);
+ static void ReadRGBASpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ GLubyte rgba[][4]);
+ static void ReadCI32PixelsBack(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint indx[], const GLubyte mask[]);
+ static void ReadRGBAPixelsBack(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[]);
+
+};
+
+
+
+AuxInfo::AuxInfo()
+{
+ mContext = NULL;
+ mVisual = NULL;
+ mBuffer = NULL;
+ mBGLView = NULL;
+ mBitmap = NULL;
+ mClearColor[BE_RCOMP] = 0;
+ mClearColor[BE_GCOMP] = 0;
+ mClearColor[BE_BCOMP] = 0;
+ mClearColor[BE_ACOMP] = 0;
+ mClearIndex = 0;
+ mColor[BE_RCOMP] = 255;
+ mColor[BE_GCOMP] = 255;
+ mColor[BE_BCOMP] = 255;
+ mColor[BE_ACOMP] = 255;
+ mIndex = 1;
+}
+
+
+AuxInfo::~AuxInfo()
+{
+
+ gl_destroy_visual(mVisual);
+ gl_destroy_framebuffer(mBuffer);
+ gl_destroy_context(mContext);
+}
+
+
+void AuxInfo::Init(BGLView *bglView, GLcontext *c, GLvisual *v, GLframebuffer *b)
+{
+ mBGLView = bglView;
+ mContext = c;
+ mVisual = v;
+ mBuffer = b;
+}
+
+
+void AuxInfo::MakeCurrent()
+{
+ UpdateState(mContext);
+ gl_make_current(mContext, mBuffer);
+}
+
+
+void AuxInfo::SwapBuffers() const
+{
+ if (mBitmap) {
+ mBGLView->DrawBitmap(mBitmap, BPoint(0, 0));
+ }
+}
+
+
+void AuxInfo::CopySubBuffer(GLint x, GLint y, GLuint width, GLuint height) const
+{
+ if (mBitmap) {
+ // Source bitmap and view's bitmap are same size.
+ // Source and dest rectangle are the same.
+ // Note (x,y) = (0,0) is the lower-left corner, have to flip Y
+ BRect srcAndDest;
+ srcAndDest.left = x;
+ srcAndDest.right = x + width - 1;
+ srcAndDest.bottom = mBottom - y;
+ srcAndDest.top = srcAndDest.bottom - height + 1;
+ mBGLView->DrawBitmap(mBitmap, srcAndDest, srcAndDest);
+ }
+}
+
+
+void AuxInfo::UpdateState( GLcontext *ctx )
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+
+ assert(aux->mContext == ctx );
+
+ ctx->Driver.UpdateState = AuxInfo::UpdateState;
+ ctx->Driver.SetBuffer = AuxInfo::SetBuffer;
+ ctx->Driver.Color = AuxInfo::Color;
+ ctx->Driver.Index = AuxInfo::Index;
+ ctx->Driver.ClearIndex = AuxInfo::ClearIndex;
+ ctx->Driver.ClearColor = AuxInfo::ClearColor;
+ ctx->Driver.GetBufferSize = AuxInfo::GetBufferSize;
+ ctx->Driver.GetString = AuxInfo::GetString;
+
+ if (ctx->Color.DrawBuffer == GL_FRONT) {
+ /* read/write front buffer */
+ ctx->Driver.Clear = AuxInfo::ClearFront;
+ ctx->Driver.WriteRGBASpan = AuxInfo::WriteRGBASpanFront;
+ ctx->Driver.WriteRGBSpan = AuxInfo::WriteRGBSpanFront;
+ ctx->Driver.WriteRGBAPixels = AuxInfo::WriteRGBAPixelsFront;
+ ctx->Driver.WriteMonoRGBASpan = AuxInfo::WriteMonoRGBASpanFront;
+ ctx->Driver.WriteMonoRGBAPixels = AuxInfo::WriteMonoRGBAPixelsFront;
+ ctx->Driver.WriteCI32Span = AuxInfo::WriteCI32SpanFront;
+ ctx->Driver.WriteCI8Span = AuxInfo::WriteCI8SpanFront;
+ ctx->Driver.WriteMonoCISpan = AuxInfo::WriteMonoCISpanFront;
+ ctx->Driver.WriteCI32Pixels = AuxInfo::WriteCI32PixelsFront;
+ ctx->Driver.WriteMonoCIPixels = AuxInfo::WriteMonoCIPixelsFront;
+ ctx->Driver.ReadRGBASpan = AuxInfo::ReadRGBASpanFront;
+ ctx->Driver.ReadRGBAPixels = AuxInfo::ReadRGBAPixelsFront;
+ ctx->Driver.ReadCI32Span = AuxInfo::ReadCI32SpanFront;
+ ctx->Driver.ReadCI32Pixels = AuxInfo::ReadCI32PixelsFront;
+ }
+ else {
+ /* read/write back buffer */
+ ctx->Driver.Clear = AuxInfo::ClearBack;
+ ctx->Driver.WriteRGBASpan = AuxInfo::WriteRGBASpanBack;
+ ctx->Driver.WriteRGBSpan = AuxInfo::WriteRGBSpanBack;
+ ctx->Driver.WriteRGBAPixels = AuxInfo::WriteRGBAPixelsBack;
+ ctx->Driver.WriteMonoRGBASpan = AuxInfo::WriteMonoRGBASpanBack;
+ ctx->Driver.WriteMonoRGBAPixels = AuxInfo::WriteMonoRGBAPixelsBack;
+ ctx->Driver.WriteCI32Span = AuxInfo::WriteCI32SpanBack;
+ ctx->Driver.WriteCI8Span = AuxInfo::WriteCI8SpanBack;
+ ctx->Driver.WriteMonoCISpan = AuxInfo::WriteMonoCISpanBack;
+ ctx->Driver.WriteCI32Pixels = AuxInfo::WriteCI32PixelsBack;
+ ctx->Driver.WriteMonoCIPixels = AuxInfo::WriteMonoCIPixelsBack;
+ ctx->Driver.ReadRGBASpan = AuxInfo::ReadRGBASpanBack;
+ ctx->Driver.ReadRGBAPixels = AuxInfo::ReadRGBAPixelsBack;
+ ctx->Driver.ReadCI32Span = AuxInfo::ReadCI32SpanBack;
+ ctx->Driver.ReadCI32Pixels = AuxInfo::ReadCI32PixelsBack;
+ }
+}
+
+
+void AuxInfo::ClearIndex(GLcontext *ctx, GLuint index)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ aux->mClearIndex = index;
+}
+
+
+void AuxInfo::ClearColor(GLcontext *ctx, GLubyte r, GLubyte g,
+ GLubyte b, GLubyte a)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ aux->mClearColor[BE_RCOMP] = r;
+ aux->mClearColor[BE_GCOMP] = g;
+ aux->mClearColor[BE_BCOMP] = b;
+ aux->mClearColor[BE_ACOMP] = a;
+ assert(aux->mBGLView);
+}
+
+
+GLbitfield AuxInfo::ClearFront(GLcontext *ctx, GLbitfield mask,
+ GLboolean all, GLint x, GLint y,
+ GLint width, GLint height)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+
+ bglview->SetHighColor(aux->mClearColor[BE_RCOMP],
+ aux->mClearColor[BE_GCOMP],
+ aux->mClearColor[BE_BCOMP],
+ aux->mClearColor[BE_ACOMP]);
+ bglview->SetLowColor(aux->mClearColor[BE_RCOMP],
+ aux->mClearColor[BE_GCOMP],
+ aux->mClearColor[BE_BCOMP],
+ aux->mClearColor[BE_ACOMP]);
+ if (all) {
+ BRect b = bglview->Bounds();
+ bglview->FillRect(b);
+ }
+ else {
+ // XXX untested
+ BRect b;
+ b.left = x;
+ b.right = x + width;
+ b.bottom = aux->mHeight - y - 1;
+ b.top = b.bottom - height;
+ bglview->FillRect(b);
+ }
+
+ // restore drawing color
+ bglview->SetHighColor(aux->mColor[BE_RCOMP],
+ aux->mColor[BE_GCOMP],
+ aux->mColor[BE_BCOMP],
+ aux->mColor[BE_ACOMP]);
+ bglview->SetLowColor(aux->mColor[BE_RCOMP],
+ aux->mColor[BE_GCOMP],
+ aux->mColor[BE_BCOMP],
+ aux->mColor[BE_ACOMP]);
+
+ return mask & (~GL_COLOR_BUFFER_BIT);
+}
+
+
+GLbitfield AuxInfo::ClearBack(GLcontext *ctx, GLbitfield mask,
+ GLboolean all, GLint x, GLint y,
+ GLint width, GLint height)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ GLuint *start = (GLuint *) bitmap->Bits();
+ const GLuint *clearPixelPtr = (const GLuint *) aux->mClearColor;
+ const GLuint clearPixel = *clearPixelPtr;
+
+ if (all) {
+ const int numPixels = aux->mWidth * aux->mHeight;
+ if (clearPixel == 0) {
+ memset(start, 0, numPixels * 4);
+ }
+ else {
+ for (int i = 0; i < numPixels; i++) {
+ start[i] = clearPixel;
+ }
+ }
+ }
+ else {
+ // XXX untested
+ start += y * aux->mWidth + x;
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < width; j++) {
+ start[j] = clearPixel;
+ }
+ start += aux->mWidth;
+ }
+ }
+
+ return mask & (~GL_COLOR_BUFFER_BIT);
+}
+
+
+void AuxInfo::Index(GLcontext *ctx, GLuint index)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ aux->mIndex = index;
+}
+
+
+void AuxInfo::Color(GLcontext *ctx, GLubyte r, GLubyte g,
+ GLubyte b, GLubyte a)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ aux->mColor[BE_RCOMP] = r;
+ aux->mColor[BE_GCOMP] = g;
+ aux->mColor[BE_BCOMP] = b;
+ aux->mColor[BE_ACOMP] = a;
+ bglview->SetHighColor(r, g, b, a);
+ bglview->SetLowColor(r, g, b, a);
+}
+
+GLboolean AuxInfo::SetBuffer(GLcontext *ctx, GLenum buffer)
+{
+ if (buffer == GL_FRONT_LEFT)
+ return GL_TRUE;
+ else if (buffer == GL_BACK_LEFT)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+}
+
+void AuxInfo::GetBufferSize(GLcontext *ctx, GLuint *width,
+ GLuint *height)
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ BRect b = bglview->Bounds();
+ *width = (GLuint) (b.right - b.left + 1);
+ *height = (GLuint) (b.bottom - b.top + 1);
+ aux->mBottom = (GLint) b.bottom;
+
+ if (ctx->Visual->DBflag) {
+ if (*width != aux->mWidth || *height != aux->mHeight) {
+ // allocate new size of back buffer bitmap
+ if (aux->mBitmap)
+ delete aux->mBitmap;
+ BRect rect(0.0, 0.0, *width - 1, *height - 1);
+ aux->mBitmap = new BBitmap(rect, B_RGBA32);
+ }
+ }
+ else
+ {
+ aux->mBitmap = NULL;
+ }
+
+ aux->mWidth = *width;
+ aux->mHeight = *height;
+}
+
+
+const GLubyte *AuxInfo::GetString(GLcontext *ctx, GLenum name)
+{
+ switch (name) {
+ case GL_RENDERER:
+ return (const GLubyte *) "Mesa BeOS";
+ default:
+ // Let core library handle all other cases
+ return NULL;
+ }
+}
+
+
+// Plot a pixel. (0,0) is upper-left corner
+// This is only used when drawing to the front buffer.
+static void Plot(BGLView *bglview, int x, int y)
+{
+ // XXX There's got to be a better way!
+ BPoint p(x, y), q(x+1, y);
+ bglview->StrokeLine(p, q);
+}
+
+
+void AuxInfo::WriteRGBASpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ int flippedY = aux->mBottom - y;
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3]);
+ Plot(bglview, x++, flippedY);
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3]);
+ Plot(bglview, x++, flippedY);
+ }
+ }
+}
+
+void AuxInfo::WriteRGBSpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][3],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ int flippedY = aux->mBottom - y;
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
+ Plot(bglview, x++, flippedY);
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
+ Plot(bglview, x++, flippedY);
+ }
+ }
+}
+
+void AuxInfo::WriteMonoRGBASpanFront(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ int flippedY = aux->mBottom - y;
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ Plot(bglview, x++, flippedY);
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ Plot(bglview, x++, flippedY);
+ }
+ }
+}
+
+void AuxInfo::WriteRGBAPixelsFront(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
+ Plot(bglview, x[i], aux->mBottom - y[i]);
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ bglview->SetHighColor(rgba[i][0], rgba[i][1], rgba[i][2]);
+ Plot(bglview, x[i], aux->mBottom - y[i]);
+ }
+ }
+}
+
+
+void AuxInfo::WriteMonoRGBAPixelsFront(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BGLView *bglview = aux->mBGLView;
+ assert(bglview);
+ // plot points using current color
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ Plot(bglview, x[i], aux->mBottom - y[i]);
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ Plot(bglview, x[i], aux->mBottom - y[i]);
+ }
+ }
+}
+
+
+void AuxInfo::WriteCI32SpanFront( const GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLuint index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteCI8SpanFront( const GLcontext *ctx, GLuint n, GLint x, GLint y,
+ const GLubyte index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteMonoCISpanFront( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::WriteCI32PixelsFront( const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLuint index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteMonoCIPixelsFront( const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadCI32SpanFront( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint index[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadRGBASpanFront( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, GLubyte rgba[][4] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadCI32PixelsFront( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint indx[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadRGBAPixelsFront( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+
+
+void AuxInfo::WriteRGBASpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ int row = aux->mBottom - y;
+ GLubyte *pixel = (GLubyte *) bitmap->Bits() + (row * aux->mWidth + x) * 4;
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ pixel[BE_RCOMP] = rgba[i][RCOMP];
+ pixel[BE_GCOMP] = rgba[i][GCOMP];
+ pixel[BE_BCOMP] = rgba[i][BCOMP];
+ pixel[BE_ACOMP] = rgba[i][ACOMP];
+ }
+ pixel += 4;
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ pixel[BE_RCOMP] = rgba[i][RCOMP];
+ pixel[BE_GCOMP] = rgba[i][GCOMP];
+ pixel[BE_BCOMP] = rgba[i][BCOMP];
+ pixel[BE_ACOMP] = rgba[i][ACOMP];
+ pixel += 4;
+ }
+ }
+}
+
+
+void AuxInfo::WriteRGBSpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ CONST GLubyte rgb[][3],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ int row = aux->mBottom - y;
+ GLubyte *pixel = (GLubyte *) bitmap->Bits() + (row * aux->mWidth + x) * 4;
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ pixel[BE_RCOMP] = rgb[i][RCOMP];
+ pixel[BE_GCOMP] = rgb[i][GCOMP];
+ pixel[BE_BCOMP] = rgb[i][BCOMP];
+ pixel[BE_ACOMP] = 255;
+ }
+ pixel += 4;
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ pixel[BE_RCOMP] = rgb[i][RCOMP];
+ pixel[BE_GCOMP] = rgb[i][GCOMP];
+ pixel[BE_BCOMP] = rgb[i][BCOMP];
+ pixel[BE_ACOMP] = 255;
+ pixel += 4;
+ }
+ }
+}
+
+
+void AuxInfo::WriteMonoRGBASpanBack(const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ int row = aux->mBottom - y;
+ GLuint *pixelPtr = (GLuint *) bitmap->Bits() + row * aux->mWidth + x;
+ const GLuint pixel = *((GLuint *) aux->mColor);
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i])
+ *pixelPtr = pixel;
+ pixelPtr++;
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ *pixelPtr++ = pixel;
+ }
+ }
+}
+
+
+void AuxInfo::WriteRGBAPixelsBack(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ CONST GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ GLubyte *pixel = (GLubyte *) bitmap->Bits()
+ + (aux->mBottom - y[i]) * bitmap->BytesPerRow() + x[i] * 4;
+ pixel[BE_RCOMP] = rgba[i][RCOMP];
+ pixel[BE_GCOMP] = rgba[i][GCOMP];
+ pixel[BE_BCOMP] = rgba[i][BCOMP];
+ pixel[BE_ACOMP] = rgba[i][ACOMP];
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ GLubyte *pixel = (GLubyte *) bitmap->Bits()
+ + (aux->mBottom - y[i]) * bitmap->BytesPerRow() + x[i] * 4;
+ pixel[BE_RCOMP] = rgba[i][RCOMP];
+ pixel[BE_GCOMP] = rgba[i][GCOMP];
+ pixel[BE_BCOMP] = rgba[i][BCOMP];
+ pixel[BE_ACOMP] = rgba[i][ACOMP];
+ }
+ }
+}
+
+
+void AuxInfo::WriteMonoRGBAPixelsBack(const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[])
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ const GLuint pixel = *((GLuint *) aux->mColor);
+ if (mask) {
+ for (GLuint i = 0; i < n; i++) {
+ if (mask[i]) {
+ GLuint *pixelPtr = (GLuint *) bitmap->Bits()
+ + (aux->mBottom - y[i]) * aux->mWidth + x[i];
+ *pixelPtr = pixel;
+ }
+ }
+ }
+ else {
+ for (GLuint i = 0; i < n; i++) {
+ GLuint *pixelPtr = (GLuint *) bitmap->Bits()
+ + (aux->mBottom - y[i]) * aux->mWidth + x[i];
+ *pixelPtr = pixel;
+ }
+ }
+}
+
+
+void AuxInfo::WriteCI32SpanBack( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLuint index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteCI8SpanBack( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y,
+ const GLubyte index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteMonoCISpanBack( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::WriteCI32PixelsBack( const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLuint index[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+void AuxInfo::WriteMonoCIPixelsBack( const GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadCI32SpanBack( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint index[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadRGBASpanBack( const GLcontext *ctx, GLuint n,
+ GLint x, GLint y, GLubyte rgba[][4] )
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ const BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ int row = aux->mBottom - y;
+ const GLubyte *pixel = (GLubyte *) bitmap->Bits()
+ + row * bitmap->BytesPerRow() + x * 4;
+ for (GLuint i = 0; i < n; i++) {
+ rgba[i][RCOMP] = pixel[BE_RCOMP];
+ rgba[i][GCOMP] = pixel[BE_GCOMP];
+ rgba[i][BCOMP] = pixel[BE_BCOMP];
+ rgba[i][ACOMP] = pixel[BE_ACOMP];
+ pixel += 4;
+ }
+}
+
+
+void AuxInfo::ReadCI32PixelsBack( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint indx[], const GLubyte mask[] )
+{
+ // XXX to do
+}
+
+
+void AuxInfo::ReadRGBAPixelsBack( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[] )
+{
+ AuxInfo *aux = (AuxInfo *) ctx->DriverCtx;
+ const BBitmap *bitmap = aux->mBitmap;
+ assert(bitmap);
+ for (GLuint i = 0; i < n; i++) {
+ if (y[i] < aux->mHeight) {
+ const GLubyte *pixel = (const GLubyte *) bitmap->Bits()
+ + ((aux->mBottom - y[i]) * aux->mWidth + x[i]) * 4;
+ rgba[i][RCOMP] = pixel[BE_RCOMP];
+ rgba[i][GCOMP] = pixel[BE_GCOMP];
+ rgba[i][BCOMP] = pixel[BE_BCOMP];
+ rgba[i][ACOMP] = pixel[BE_ACOMP];
+ }
+ }
+}
+
+
+
+
+//------------------------------------------------------------------
+// Public interface methods
+//------------------------------------------------------------------
+
+
+//
+// Input: rect - initial rectangle
+// name - window name
+// resizingMode - example: B_FOLLOW_NONE
+// mode - usually 0 ?
+// options - Bitwise-OR of BGL_* tokens
+//
+BGLView::BGLView(BRect rect, char *name,
+ ulong resizingMode, ulong mode,
+ ulong options)
+ :BView(rect, name, resizingMode, mode)
+{
+ const GLboolean rgbFlag = (options & BGL_RGB) == BGL_RGB;
+ const GLboolean alphaFlag = (options & BGL_ALPHA) == BGL_ALPHA;
+ const GLboolean dblFlag = (options & BGL_DOUBLE) == BGL_DOUBLE;
+ const GLboolean stereoFlag = false;
+ const GLint depth = (options & BGL_DEPTH) ? 16 : 0;
+ const GLint stencil = (options & BGL_STENCIL) ? 8 : 0;
+ const GLint accum = (options & BGL_ACCUM) ? 16 : 0;
+ const GLint index = (options & BGL_INDEX) ? 32 : 0;
+ const GLint red = (options & BGL_RGB) ? 8 : 0;
+ const GLint green = (options & BGL_RGB) ? 8 : 0;
+ const GLint blue = (options & BGL_RGB) ? 8 : 0;
+ const GLint alpha = (options & BGL_RGB) ? 8 : 0;
+
+ if (!rgbFlag) {
+ fprintf(stderr, "Mesa Warning: color index mode not supported\n");
+ }
+
+ // Allocate auxiliary data object
+ AuxInfo *aux = new AuxInfo;
+
+ // examine option flags and create gl_context struct
+ GLvisual *visual = gl_create_visual( rgbFlag, alphaFlag,
+ dblFlag, stereoFlag,
+ depth, stencil, accum, index,
+ red, green, blue, alpha);
+
+ // create core framebuffer
+ GLframebuffer *buffer = gl_create_framebuffer(visual);
+
+ // create core context
+ const GLboolean direct = GL_TRUE;
+ GLcontext *ctx = gl_create_context( visual, NULL, aux, direct );
+
+ aux->Init(this, ctx, visual, buffer );
+
+ // Hook aux data into BGLView object
+ m_gc = aux;
+}
+
+
+BGLView::~BGLView()
+{
+ printf("BGLView destructor\n");
+ AuxInfo *aux = (AuxInfo *) m_gc;
+ assert(aux);
+ delete aux;
+}
+
+void BGLView::LockGL()
+{
+ AuxInfo *aux = (AuxInfo *) m_gc;
+ assert(aux);
+ aux->MakeCurrent();
+}
+
+void BGLView::UnlockGL()
+{
+ AuxInfo *aux = (AuxInfo *) m_gc;
+ assert(aux);
+ // Could call gl_make_current(NULL, NULL) but it would just
+ // hinder performance
+}
+
+void BGLView::SwapBuffers()
+{
+ AuxInfo *aux = (AuxInfo *) m_gc;
+ assert(aux);
+ aux->SwapBuffers();
+}
+
+
+void BGLView::CopySubBufferMESA(GLint x, GLint y, GLuint width, GLuint height)
+{
+ AuxInfo *aux = (AuxInfo *) m_gc;
+ assert(aux);
+ aux->CopySubBuffer(x, y, width, height);
+}
+
+
+BView *BGLView::EmbeddedView()
+{
+ // XXX to do
+
+}
+
+status_t BGLView::CopyPixelsOut(BPoint source, BBitmap *dest)
+{
+ // XXX to do
+}
+
+
+status_t BGLView::CopyPixelsIn(BBitmap *source, BPoint dest)
+{
+ // XXX to do
+}
+
+void BGLView::ErrorCallback(GLenum errorCode)
+{
+ // XXX to do
+}
+
+void BGLView::Draw(BRect updateRect)
+{
+// printf("BGLView draw\n");
+ // XXX to do
+}
+
+void BGLView::AttachedToWindow()
+{
+ BView::AttachedToWindow();
+
+ // don't paint window background white when resized
+ SetViewColor(B_TRANSPARENT_32_BIT);
+}
+
+void BGLView::AllAttached()
+{
+ BView::AllAttached();
+// printf("BGLView AllAttached\n");
+}
+
+void BGLView::DetachedFromWindow()
+{
+ BView::DetachedFromWindow();
+}
+
+void BGLView::AllDetached()
+{
+ BView::AllDetached();
+// printf("BGLView AllDetached");
+}
+
+void BGLView::FrameResized(float width, float height)
+{
+ return BView::FrameResized(width, height);
+}
+
+status_t BGLView::Perform(perform_code d, void *arg)
+{
+ return BView::Perform(d, arg);
+}
+
+
+status_t BGLView::Archive(BMessage *data, bool deep) const
+{
+ return BView::Archive(data, deep);
+}
+
+void BGLView::MessageReceived(BMessage *msg)
+{
+ BView::MessageReceived(msg);
+}
+
+void BGLView::SetResizingMode(uint32 mode)
+{
+ BView::SetResizingMode(mode);
+}
+
+void BGLView::Show()
+{
+// printf("BGLView Show\n");
+ BView::Show();
+}
+
+void BGLView::Hide()
+{
+// printf("BGLView Hide\n");
+ BView::Hide();
+}
+
+BHandler *BGLView::ResolveSpecifier(BMessage *msg, int32 index,
+ BMessage *specifier, int32 form,
+ const char *property)
+{
+ return BView::ResolveSpecifier(msg, index, specifier, form, property);
+}
+
+status_t BGLView::GetSupportedSuites(BMessage *data)
+{
+ return BView::GetSupportedSuites(data);
+}
+
+void BGLView::DirectConnected( direct_buffer_info *info )
+{
+ // XXX to do
+}
+
+void BGLView::EnableDirectMode( bool enabled )
+{
+ // XXX to do
+}
+
+
+
+//---- private methods ----------
+
+void BGLView::_ReservedGLView1() {}
+void BGLView::_ReservedGLView2() {}
+void BGLView::_ReservedGLView3() {}
+void BGLView::_ReservedGLView4() {}
+void BGLView::_ReservedGLView5() {}
+void BGLView::_ReservedGLView6() {}
+void BGLView::_ReservedGLView7() {}
+void BGLView::_ReservedGLView8() {}
+
+#if 0
+BGLView::BGLView(const BGLView &v)
+ : BView(v)
+{
+ // XXX not sure how this should work
+ printf("Warning BGLView::copy constructor not implemented\n");
+}
+#endif
+
+
+BGLView &BGLView::operator=(const BGLView &v)
+{
+ printf("Warning BGLView::operator= not implemented\n");
+}
+
+void BGLView::dither_front()
+{
+ // no-op
+}
+
+bool BGLView::confirm_dither()
+{
+ // no-op
+ return false;
+}
+
+void BGLView::draw(BRect r)
+{
+ // XXX no-op ???
+}
+
+/* Direct Window stuff */
+void BGLView::drawScanline( int x1, int x2, int y, void *data )
+{
+ // no-op
+}
+
+void BGLView::scanlineHandler(struct rasStateRec *state,
+ GLint x1, GLint x2)
+{
+ // no-op
+}
+
+void BGLView::lock_draw()
+{
+ // no-op
+}
+
+void BGLView::unlock_draw()
+{
+ // no-op
+}
+
+bool BGLView::validateView()
+{
+ // no-op
+ return true;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 17:55:30 +0000