-/* $Id: svgamesa.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+/* $Id: svgamesa.c,v 1.26 2005/09/07 23:26:01 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.0
- * Copyright (C) 1995-1998 Brian Paul
+ * Version: 5.0
+ * Copyright (C) 1995-2002 Brian Paul
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
*/
-
/*
- * Linux SVGA/Mesa interface.
- *
- * This interface is not finished! Still have to implement pixel
- * reading functions and double buffering. Then, look into accelerated
- * line and polygon rendering. And, clean up a bunch of other stuff.
- * Any volunteers?
+ * SVGA driver for Mesa.
+ * Original author: Brian Paul
+ * Additional authors: Slawomir Szczyrba <steev@hot.pl> (Mesa 3.2)
*/
+
#ifdef HAVE_CONFIG_H
#include "conf.h"
#endif
#ifdef SVGA
-
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <vga.h>
#include "GL/svgamesa.h"
+#include "buffers.h"
#include "context.h"
+#include "extensions.h"
+#include "imports.h"
#include "matrix.h"
-#include "types.h"
-#endif
-
-
-struct svgamesa_context {
- GLcontext *gl_ctx; /* the core Mesa context */
- GLvisual *gl_vis; /* describes the color buffer */
- GLframebuffer *gl_buffer; /* the ancillary buffers */
- GLuint index; /* current color index */
- GLint red, green, blue; /* current rgb color */
- GLint width, height; /* size of color buffer */
- GLint depth; /* bits per pixel (8,16,24 or 32) */
-};
-
-
-static SVGAMesaContext SVGAMesa = NULL; /* the current context */
-
-
-
-/*
- * Convert Mesa window Y coordinate to VGA screen Y coordinate:
- */
-#define FLIP(Y) (SVGAMesa->height-(Y)-1)
-
-
-
-/**********************************************************************/
-/***** Miscellaneous functions *****/
-/**********************************************************************/
-
+#include "mtypes.h"
+#include "swrast/swrast.h"
+#include "svgapix.h"
+#include "svgamesa8.h"
+#include "svgamesa15.h"
+#include "svgamesa16.h"
+#include "svgamesa24.h"
+#include "svgamesa32.h"
-static void get_buffer_size( GLcontext *ctx, GLuint *width, GLuint *height )
-{
- *width = SVGAMesa->width = vga_getxdim();
- *height = SVGAMesa->height = vga_getydim();
-}
+struct svga_buffer SVGABuffer;
+vga_modeinfo * SVGAInfo;
+SVGAMesaContext SVGAMesa; /* the current context */
+#ifdef SVGA_DEBUG
-/* Set current color index */
-static void set_index( GLcontext *ctx, GLuint index )
-{
- SVGAMesa->index = index;
- vga_setcolor( index );
-}
+#include <sys/types.h>
+#include <signal.h>
+FILE * logfile;
+char cbuf[1024]={0};
-/* Set current drawing color */
-static void set_color( GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha )
+void SVGAlog(char * what)
{
- SVGAMesa->red = red;
- SVGAMesa->green = green;
- SVGAMesa->blue = blue;
- vga_setrgbcolor( red, green, blue );
+ logfile=fopen("svgamesa.log","a");
+ if (!logfile) return;
+ fprintf(logfile,"%s\n",what);
+ fclose(logfile);
}
-
-
-static void clear_index( GLcontext *ctx, GLuint index )
-{
- /* TODO: Implements glClearIndex() */
-}
-
-
-static void clear_color( GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha )
-{
- /* TODO: Implements glClearColor() */
-}
-
-
-static GLbitfield clear( GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint x, GLint y, GLint width, GLint height )
-{
- if (mask & GL_COLOR_BUFFER_BIT) {
- vga_clear();
- }
- return mask & (~GL_COLOR_BUFFER_BIT);
-}
-
-
-static GLboolean set_buffer( GLcontext *ctx, GLenum buffer )
-{
- /* TODO: implement double buffering and use this function to select */
- /* between front and back buffers. */
- if (buffer == GL_FRONT_LEFT)
- return GL_TRUE;
- else if (buffer == GL_BACK_LEFT)
- return GL_TRUE;
- else
- return GL_FALSE;
-}
-
-
-
+#endif
/**********************************************************************/
-/***** Write spans of pixels *****/
+/***** Init stuff... *****/
/**********************************************************************/
-
-static void write_ci32_span( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLuint index[], const GLubyte mask[] )
+int SVGAMesaInit( int GraphMode )
{
- int i;
- y = FLIP(y);
- for (i=0;i<n;i++,x++) {
- if (mask[i]) {
- vga_setcolor( index[i] );
- vga_drawpixel( x, y );
- }
+ vga_init();
+ if (!vga_hasmode(GraphMode))
+ {
+ fprintf(stderr,"GraphMode %d unavailable...",GraphMode);
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAMesaInit: invalid GraphMode (doesn't exist)");
+#endif
+ return(1);
}
-}
-
-static void write_ci8_span( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLubyte index[], const GLubyte mask[] )
-{
- int i;
- y = FLIP(y);
- for (i=0;i<n;i++,x++) {
- if (mask[i]) {
- vga_setcolor( index[i] );
- vga_drawpixel( x, y );
- }
+ SVGAInfo=vga_getmodeinfo(GraphMode);
+ if (SVGAInfo->flags & IS_MODEX)
+ {
+ fprintf(stderr,"ModeX not implemented...");
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAMesaInit: invalid GraphMode (ModeX)");
+#endif
+ return(2);
}
-}
-
-
-
-static void write_mono_ci_span( const GLcontext *ctx, GLuint n,
- GLint x, GLint y, const GLubyte mask[] )
-{
- int i;
- y = FLIP(y);
- /* use current color index */
- vga_setcolor( SVGAMesa->index );
- for (i=0;i<n;i++,x++) {
- if (mask[i]) {
- vga_drawpixel( x, y );
- }
+ if (!SVGAInfo->bytesperpixel)
+ {
+ fprintf(stderr,"1 / 4 bit color not implemented...");
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAMesaInit: invalid GraphMode (1 or 4 bit)");
+#endif
+ return(3);
}
-}
-
-
-
-static void write_rgba_span( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- int i;
- y=FLIP(y);
- if (mask) {
- /* draw some pixels */
- for (i=0; i<n; i++, x++) {
- if (mask[i]) {
- vga_setrgbcolor( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
- vga_drawpixel( x, y );
- }
- }
+ switch (SVGAInfo->colors) {
+ case 256: SVGABuffer.Depth = 8; break;
+ case 32768: SVGABuffer.Depth = 15; break;
+ case 65536: SVGABuffer.Depth = 16; break;
+ default: SVGABuffer.Depth = SVGAInfo->bytesperpixel<<3; break;
}
- else {
- /* draw all pixels */
- for (i=0; i<n; i++, x++) {
- vga_setrgbcolor( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
- vga_drawpixel( x, y );
- }
+ SVGABuffer.BufferSize=SVGAInfo->linewidth*SVGAInfo->height;
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaInit: double buffer info.\n" \
+ " depth : %d\n" \
+ " mode : %d\n" \
+ " width : %d\n" \
+ " height : %d\n" \
+ " bufsize: %d\n", \
+ SVGABuffer.Depth,GraphMode,SVGAInfo->linewidth, \
+ SVGAInfo->height,SVGABuffer.BufferSize);
+ SVGAlog(cbuf);
+#endif
+ SVGABuffer.FrontBuffer=(void*)malloc(SVGABuffer.BufferSize + 4);
+ if (!SVGABuffer.FrontBuffer) {
+ {
+ fprintf(stderr,"Not enough RAM for FRONT_LEFT_BUFFER...");
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAMesaInit: Not enough RAM (front buffer)");
+#endif
+ return(4);
+ }
}
-}
-
-
-
-static void write_mono_rgba_span( const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLubyte mask[])
-{
- int i;
- y=FLIP(y);
- /* use current rgb color */
- vga_setrgbcolor( SVGAMesa->red, SVGAMesa->green, SVGAMesa->blue );
- for (i=0; i<n; i++, x++) {
- if (mask[i]) {
- vga_drawpixel( x, y );
- }
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaInit: FrontBuffer - %p",SVGABuffer.FrontBuffer);
+ SVGAlog(cbuf);
+#endif
+ SVGABuffer.BackBuffer=(void*)malloc(SVGABuffer.BufferSize + 4);
+ if (!SVGABuffer.BackBuffer) {
+ {
+ free(SVGABuffer.FrontBuffer);
+ fprintf(stderr,"Not enough RAM for BACK_LEFT_BUFFER...");
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAMesaInit: Not enough RAM (back buffer)");
+#endif
+ return(5);
+ }
}
-}
-
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaInit: BackBuffer - %p",SVGABuffer.BackBuffer);
+ SVGAlog(cbuf);
+#endif
+ vga_setmode(GraphMode);
+ SVGABuffer.VideoRam=vga_getgraphmem();
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaInit: VRAM - %p",SVGABuffer.VideoRam);
+ SVGAlog(cbuf);
+ sprintf(cbuf,"SVGAMesaInit: done. (Mode %d)",GraphMode);
+ SVGAlog(cbuf);
+#endif
-/**********************************************************************/
-/***** Read spans of pixels *****/
-/**********************************************************************/
+ SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
+ SVGABuffer.ReadBuffer = SVGABuffer.BackBuffer;
+ return 0;
+}
-static void read_ci32_span( const GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLuint index[])
+int SVGAMesaClose( void )
{
- int i;
- y = FLIP(y);
- for (i=0; i<n; i++,x++) {
- index[i] = vga_getpixel( x, y );
- }
+ vga_setmode(TEXT);
+ free(SVGABuffer.FrontBuffer);
+ free(SVGABuffer.BackBuffer);
+ return 0;
}
-
-
-static void read_rgba_span( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- GLubyte rgba[][4] )
+void SVGAMesaSetCI(int ndx, GLubyte red, GLubyte green, GLubyte blue)
{
- int i;
- for (i=0; i<n; i++, x++) {
- /* TODO */
- }
+ if (ndx<256)
+ vga_setpalette(ndx, red>>2, green>>2, blue>>2);
}
-
-
/**********************************************************************/
-/***** Write arrays of pixels *****/
+/***** Miscellaneous functions *****/
/**********************************************************************/
+static void copy_buffer( const GLubyte * buffer) {
+ int size = SVGABuffer.BufferSize, page = 0;
-static void write_ci32_pixels( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLuint index[], const GLubyte mask[] )
-{
- int i;
- for (i=0; i<n; i++) {
- if (mask[i]) {
- vga_setcolor( index[i] );
- vga_drawpixel( x[i], FLIP(y[i]) );
- }
- }
-}
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"copy_buffer: copy %p to %p",buffer,SVGABuffer.VideoRam);
+ SVGAlog(cbuf);
+#endif
+ while(size>0) {
+ vga_setpage(page++);
+ if (size>>16) {
+ memcpy(SVGABuffer.VideoRam,buffer,0x10000);
+ buffer+=0x10000;
+ }else{
+ memcpy(SVGABuffer.VideoRam,buffer,size & 0xffff);
+ }
+ size-=0xffff;
+ }
+}
-static void write_mono_ci_pixels( const GLcontext *ctx, GLuint n,
- const GLint x[], const GLint y[],
- const GLubyte mask[] )
+static void get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height )
{
- int i;
- /* use current color index */
- vga_setcolor( SVGAMesa->index );
- for (i=0; i<n; i++) {
- if (mask[i]) {
- vga_drawpixel( x[i], FLIP(y[i]) );
- }
- }
+ *width = SVGAMesa->width = vga_getxdim();
+ *height = SVGAMesa->height = vga_getydim();
}
-
-
-static void write_rgba_pixels( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte rgba[][4], const GLubyte mask[] )
+static void viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
- int i;
- for (i=0; i<n; i++) {
- if (mask[i]) {
- vga_setrgbcolor( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );
- vga_drawpixel( x[i], FLIP(y[i]) );
- }
- }
+ /* poll for window size change and realloc software Z/stencil/etc if needed */
+ _mesa_ResizeBuffersMESA();
}
-
-
-static void write_mono_rgba_pixels( const GLcontext *ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- const GLubyte mask[] )
+static void set_buffer( GLcontext *ctx, GLframebuffer *colorBuffer,
+ GLenum buffer )
{
- int i;
- /* use current rgb color */
- vga_setrgbcolor( SVGAMesa->red, SVGAMesa->green, SVGAMesa->blue );
- for (i=0; i<n; i++) {
- if (mask[i]) {
- vga_drawpixel( x[i], FLIP(y[i]) );
- }
+ /* We can ignore colorBuffer since we don't support a MakeCurrentRead()
+ * function.
+ */
+ (void) colorBuffer;
+
+ if (buffer == GL_FRONT_LEFT) {
+ SVGABuffer.ReadBuffer = SVGABuffer.FrontBuffer;
+ SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
+#if 0
+ void * tmpptr;
+ /* vga_waitretrace(); */
+ copy_buffer(SVGABuffer.FrontBuffer);
+ tmpptr=SVGABuffer.BackBuffer;
+ SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
+ SVGABuffer.FrontBuffer=tmpptr;
+#endif
+ }
+ else if (buffer == GL_BACK_LEFT) {
+ SVGABuffer.ReadBuffer = SVGABuffer.BackBuffer;
+ SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
+#if 0
+ /* vga_waitretrace(); */
+ copy_buffer(SVGABuffer.BackBuffer);
+#endif
}
}
-
-
-
/**********************************************************************/
-/***** Read arrays of pixels *****/
+/***** *****/
/**********************************************************************/
-/* Read an array of color index pixels. */
-static void read_ci32_pixels( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLuint index[], const GLubyte mask[] )
-{
- int i;
- for (i=0; i<n; i++,x++) {
- index[i] = vga_getpixel( x[i], FLIP(y[i]) );
- }
-}
-
-
-
-static void read_rgba_pixels( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[] )
+static void svgamesa_update_state( GLcontext *ctx, GLuint new_state )
{
- /* TODO */
-}
-
+ struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference( ctx );
-
-static void svgamesa_update_state( GLcontext *ctx )
-{
/* Initialize all the pointers in the DD struct. Do this whenever */
/* a new context is made current or we change buffers via set_buffer! */
ctx->Driver.UpdateState = svgamesa_update_state;
- ctx->Driver.ClearIndex = clear_index;
- ctx->Driver.ClearColor = clear_color;
- ctx->Driver.Clear = clear;
-
- ctx->Driver.Index = set_index;
- ctx->Driver.Color = set_color;
-
- ctx->Driver.SetBuffer = set_buffer;
ctx->Driver.GetBufferSize = get_buffer_size;
+ ctx->Driver.Viewport = viewport;
+
+ /* Fill in the swrast driver interface:
+ */
+ swdd->SetBuffer = set_buffer;
+
+ switch (SVGABuffer.Depth) {
+ case 8: ctx->Driver.ClearIndex = __clear_index8;
+ ctx->Driver.Clear = __clear8;
+
+ swdd->ReadCI32Span = __read_ci32_span8;
+ swdd->ReadCI32Pixels = __read_ci32_pixels8;
+ swdd->WriteCI8Span = __write_ci8_span8;
+ swdd->WriteCI32Span = __write_ci32_span8;
+ swdd->WriteCI32Pixels = __write_ci32_pixels8;
+ swdd->WriteMonoCISpan = __write_mono_ci_span8;
+ swdd->WriteMonoCIPixels = __write_mono_ci_pixels8;
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAUpdateState: 8 bit mode.");
+#endif
- ctx->Driver.PointsFunc = NULL;
- ctx->Driver.LineFunc = NULL;
- ctx->Driver.TriangleFunc = NULL;
-
- /* Pixel/span writing functions: */
- /* TODO: use different funcs for 8, 16, 32-bit depths */
- ctx->Driver.WriteRGBASpan = write_rgba_span;
- ctx->Driver.WriteMonoRGBASpan = write_mono_rgba_span;
- ctx->Driver.WriteRGBAPixels = write_rgba_pixels;
- ctx->Driver.WriteMonoRGBAPixels = write_mono_rgba_pixels;
- ctx->Driver.WriteCI32Span = write_ci32_span;
- ctx->Driver.WriteCI8Span = write_ci8_span;
- ctx->Driver.WriteMonoCISpan = write_mono_ci_span;
- ctx->Driver.WriteCI32Pixels = write_ci32_pixels;
- ctx->Driver.WriteMonoCIPixels = write_mono_ci_pixels;
-
- /* Pixel/span reading functions: */
- /* TODO: use different funcs for 8, 16, 32-bit depths */
- ctx->Driver.ReadCI32Span = read_ci32_span;
- ctx->Driver.ReadRGBASpan = read_rgba_span;
- ctx->Driver.ReadCI32Pixels = read_ci32_pixels;
- ctx->Driver.ReadRGBAPixels = read_rgba_pixels;
+ break;
+ case 15: ctx->Driver.ClearColor = __clear_color15;
+ ctx->Driver.Clear = __clear15;
+
+ swdd->ReadRGBASpan = __read_rgba_span15;
+ swdd->ReadRGBAPixels = __read_rgba_pixels15;
+ swdd->WriteRGBASpan = __write_rgba_span15;
+ swdd->WriteRGBAPixels = __write_rgba_pixels15;
+ swdd->WriteMonoRGBASpan = __write_mono_rgba_span15;
+ swdd->WriteMonoRGBAPixels = __write_mono_rgba_pixels15;
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAUpdateState: 15 bit mode.");
+#endif
+ break;
+ case 16: ctx->Driver.ClearColor = __clear_color16;
+ ctx->Driver.Clear = __clear16;
+
+ swdd->ReadRGBASpan = __read_rgba_span16;
+ swdd->ReadRGBAPixels = __read_rgba_pixels16;
+ swdd->WriteRGBASpan = __write_rgba_span16;
+ swdd->WriteRGBAPixels = __write_rgba_pixels16;
+ swdd->WriteMonoRGBASpan = __write_mono_rgba_span16;
+ swdd->WriteMonoRGBAPixels = __write_mono_rgba_pixels16;
+ break;
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAUpdateState: 16 bit mode.");
+#endif
+ case 24: ctx->Driver.ClearColor = __clear_color24;
+ ctx->Driver.Clear = __clear24;
+
+ swdd->ReadRGBASpan = __read_rgba_span24;
+ swdd->ReadRGBAPixels = __read_rgba_pixels24;
+ swdd->WriteRGBASpan = __write_rgba_span24;
+ swdd->WriteRGBAPixels = __write_rgba_pixels24;
+ swdd->WriteMonoRGBASpan = __write_mono_rgba_span24;
+ swdd->WriteMonoRGBAPixels = __write_mono_rgba_pixels24;
+ break;
+#ifdef SVGA_DEBUG
+ SVGAlog("SVGAUpdateState: 32 bit mode.");
+#endif
+ case 32: ctx->Driver.ClearColor = __clear_color32;
+ ctx->Driver.Clear = __clear32;
+
+ swdd->ReadRGBASpan = __read_rgba_span32;
+ swdd->ReadRGBAPixels = __read_rgba_pixels32;
+ swdd->WriteRGBASpan = __write_rgba_span32;
+ swdd->WriteRGBAPixels = __write_rgba_pixels32;
+ swdd->WriteMonoRGBASpan = __write_mono_rgba_span32;
+ swdd->WriteMonoRGBAPixels = __write_mono_rgba_pixels32;
+ }
}
-
-
/*
* Create a new VGA/Mesa context and return a handle to it.
*/
SVGAMesaContext SVGAMesaCreateContext( GLboolean doubleBuffer )
{
SVGAMesaContext ctx;
+#ifndef DEV
GLboolean rgb_flag;
GLfloat redscale, greenscale, bluescale, alphascale;
- GLboolean alpha_flag = GL_FALSE;
- int colors;
GLint index_bits;
GLint redbits, greenbits, bluebits, alphabits;
/* determine if we're in RGB or color index mode */
- colors = vga_getcolors();
- if (colors==32768) {
+ if ((SVGABuffer.Depth==32) || (SVGABuffer.Depth==24)) {
rgb_flag = GL_TRUE;
redscale = greenscale = bluescale = alphascale = 255.0;
redbits = greenbits = bluebits = 8;
alphabits = 0;
index_bits = 0;
}
- else if (colors==256) {
+ else if (SVGABuffer.Depth==8) {
rgb_flag = GL_FALSE;
redscale = greenscale = bluescale = alphascale = 0.0;
redbits = greenbits = bluebits = alphabits = 0;
index_bits = 8;
}
- else {
- printf(">16 bit color not implemented yet!\n");
- return NULL;
+ else if (SVGABuffer.Depth==15) {
+ rgb_flag = GL_TRUE;
+ redscale = greenscale = bluescale = alphascale = 31.0;
+ redbits = greenbits = bluebits = 5;
+ alphabits = 0;
+ index_bits = 0;
+ }
+ else if (SVGABuffer.Depth==16) {
+ rgb_flag = GL_TRUE;
+ redscale = bluescale = alphascale = 31.0;
+ greenscale = 63.0;
+ redbits = bluebits = 5;
+ greenbits = 6;
+ alphabits = 0;
+ index_bits = 0;
}
ctx = (SVGAMesaContext) calloc( 1, sizeof(struct svgamesa_context) );
return NULL;
}
- ctx->gl_vis = gl_create_visual( rgb_flag,
- alpha_flag,
- doubleBuffer,
- GL_FALSE, /* stereo */
- 16, /* depth_size */
- 8, /* stencil_size */
- 16, /* accum_size */
- index_bits,
- redbits, greenbits,
- bluebits, alphabits );
-
- ctx->gl_ctx = gl_create_context( ctx->gl_vis,
- NULL, /* share list context */
- (void *) ctx, GL_TRUE );
-
- ctx->gl_buffer = gl_create_framebuffer( ctx->gl_vis );
-
- ctx->index = 1;
- ctx->red = ctx->green = ctx->blue = 255;
+ ctx->gl_vis = _mesa_create_visual( rgb_flag,
+ doubleBuffer,
+ GL_FALSE, /* stereo */
+ redbits, greenbits,
+ bluebits, alphabits,
+ index_bits,
+ 16, /* depth_size */
+ 8, /* stencil_size */
+ 16, 16, 16, 16, /* accum_size */
+ 1 /* samples */
+ );
+
+ ctx->gl_ctx = _mesa_create_context( ctx->gl_vis,
+ NULL, /* share list context */
+ (void *) ctx, GL_FALSE );
+
+ _mesa_enable_sw_extensions(ctx->gl_ctx);
+ _mesa_enable_1_3_extensions(ctx->gl_ctx);
+
+ _mesa_init_driver_functions(&ctx->Driver);
+
+ ctx->gl_buffer = _mesa_create_framebuffer( ctx->gl_vis,
+ ctx->gl_vis->depthBits > 0,
+ ctx->gl_vis->stencilBits > 0,
+ ctx->gl_vis->accumRedBits > 0,
+ ctx->gl_vis->alphaBits > 0 );
ctx->width = ctx->height = 0; /* temporary until first "make-current" */
-
+#endif
return ctx;
}
-
-
-
/*
* Destroy the given VGA/Mesa context.
*/
void SVGAMesaDestroyContext( SVGAMesaContext ctx )
{
+#ifndef DEV
if (ctx) {
- gl_destroy_visual( ctx->gl_vis );
- gl_destroy_context( ctx->gl_ctx );
- gl_destroy_framebuffer( ctx->gl_buffer );
+ _mesa_destroy_visual( ctx->gl_vis );
+ _mesa_destroy_context( ctx->gl_ctx );
+ _mesa_destroy_framebuffer( ctx->gl_buffer );
free( ctx );
if (ctx==SVGAMesa) {
SVGAMesa = NULL;
}
}
+#endif
}
-
-
/*
* Make the specified VGA/Mesa context the current one.
*/
void SVGAMesaMakeCurrent( SVGAMesaContext ctx )
{
+#ifndef DEV
SVGAMesa = ctx;
- svgamesa_update_state( ctx->gl_ctx );
- gl_make_current( ctx->gl_ctx, ctx->gl_buffer );
+ svgamesa_update_state( ctx->gl_ctx, ~0 );
+ _mesa_make_current( ctx->gl_ctx, ctx->gl_buffer );
if (ctx->width==0 || ctx->height==0) {
- /* setup initial viewport */
ctx->width = vga_getxdim();
ctx->height = vga_getydim();
- gl_Viewport( ctx->gl_ctx, 0, 0, ctx->width, ctx->height );
}
+#endif
}
-
-
/*
* Return a handle to the current VGA/Mesa context.
*/
return SVGAMesa;
}
-
/*
* Swap front/back buffers for current context if double buffered.
*/
void SVGAMesaSwapBuffers( void )
{
- FLUSH_VB( SVGAMesa->gl_ctx, "swap buffers" );
- if (SVGAMesa->gl_vis->DBflag) {
- vga_flip();
+#if 000
+ void * tmpptr;
+#endif
+
+ /* vga_waitretrace(); */
+ copy_buffer(SVGABuffer.BackBuffer);
+
+#ifndef DEV
+ _mesa_notifySwapBuffers( SVGAMesa->gl_ctx );
+ if (SVGAMesa->gl_vis->doubleBufferMode)
+#endif /* DEV */
+ {
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaSwapBuffers : Swapping...");
+ SVGAlog(cbuf);
+#endif /* SVGA_DEBUG */
+#if 000
+ tmpptr=SVGABuffer.BackBuffer;
+ SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
+ SVGABuffer.FrontBuffer=tmpptr;
+#endif
+#ifdef SVGA_DEBUG
+ sprintf(cbuf,"SVGAMesaSwapBuffers : WriteBuffer : %p\n"
+ " Readbuffer : %p", \
+ SVGABuffer.BackBuffer, SVGABuffer.FrontBuffer );
+ SVGAlog(cbuf);
+#endif /* SVGA_DEBUG */
}
}
-
-#else
+#else /*SVGA*/
/*
* Need this to provide at least one external definition when SVGA is
* not defined on the compiler command line.
*/
-
+extern int gl_svga_dummy_function(void);
int gl_svga_dummy_function(void)
{
return 0;
projects / mesa.git / blobdiff