From afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c Mon Sep 17 00:00:00 2001 From: jtg Date: Thu, 19 Aug 1999 00:55:39 +0000 Subject: Initial revision --- src/mesa/drivers/beos/GLView.cpp | 1233 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 1233 insertions(+) create mode 100644 src/mesa/drivers/beos/GLView.cpp (limited to 'src/mesa/drivers/beos/GLView.cpp') 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 +#include +#include +#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; +} + -- cgit v1.2.3