-/* $Id: context.c,v 1.169 2002/06/16 01:10:41 brianp Exp $ */
+/* $Id: context.c,v 1.175 2002/07/09 01:22:50 brianp Exp $ */
/*
* Mesa 3-D graphics library
#include "state.h"
#include "teximage.h"
#include "texobj.h"
+#include "texstate.h"
#include "mtypes.h"
#include "varray.h"
#include "vpstate.h"
assert(buffer);
assert(visual);
+ BZERO(buffer, sizeof(GLframebuffer));
+
/* sanity checks */
if (softwareDepth ) {
assert(visual->depthBits > 0);
#endif
if (ctx->imports.getenv(ctx, "MESA_DEBUG")) {
_glapi_noop_enable_warnings(GL_TRUE);
+ _glapi_set_warning_func( (_glapi_warning_func) _mesa_warning );
}
else {
_glapi_noop_enable_warnings(GL_FALSE);
}
#if defined(DEBUG) && defined(__DATE__) && defined(__TIME__)
- fprintf(stderr, "Mesa DEBUG build %s %s\n", __DATE__, __TIME__);
+ _mesa_debug(ctx, "Mesa DEBUG build %s %s\n", __DATE__, __TIME__);
#endif
alreadyCalled = GL_TRUE;
ctx->Color.ColorLogicOpEnabled = GL_FALSE;
ctx->Color.LogicOp = GL_COPY;
ctx->Color.DitherFlag = GL_TRUE;
- ctx->Color.MultiDrawBuffer = GL_FALSE;
/* Current group */
ASSIGN_4V( ctx->Current.Attrib[VERT_ATTRIB_WEIGHT], 0.0, 0.0, 0.0, 0.0 );
_mesa_init_colortable(&ctx->ProxyPostColorMatrixColorTable);
/* GL_NV_vertex_program */
- ctx->VertexProgram.Current = NULL;
- ctx->VertexProgram.CurrentID = 0;
ctx->VertexProgram.Enabled = GL_FALSE;
ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
+ ctx->VertexProgram.CurrentID = 0;
+ ctx->VertexProgram.ErrorPos = -1;
+ ctx->VertexProgram.Current = NULL;
for (i = 0; i < VP_NUM_PROG_REGS / 4; i++) {
ctx->VertexProgram.TrackMatrix[i] = GL_NONE;
ctx->VertexProgram.TrackMatrixTransform[i] = GL_IDENTITY_NV;
ctx->NoDither = ctx->imports.getenv(ctx, "MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
if (ctx->NoDither) {
if (ctx->imports.getenv(ctx, "MESA_DEBUG")) {
- fprintf(stderr, "MESA_NO_DITHER set - dithering disabled\n");
+ _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
}
ctx->Color.DitherFlag = GL_FALSE;
}
if (visual->doubleBufferMode) {
ctx->Color.DrawBuffer = GL_BACK;
- ctx->Color.DriverDrawBuffer = GL_BACK_LEFT;
- ctx->Color.DrawDestMask = BACK_LEFT_BIT;
+ ctx->Color._DriverDrawBuffer = GL_BACK_LEFT;
+ ctx->Color._DrawDestMask = BACK_LEFT_BIT;
ctx->Pixel.ReadBuffer = GL_BACK;
- ctx->Pixel.DriverReadBuffer = GL_BACK_LEFT;
+ ctx->Pixel._DriverReadBuffer = GL_BACK_LEFT;
}
else {
ctx->Color.DrawBuffer = GL_FRONT;
- ctx->Color.DriverDrawBuffer = GL_FRONT_LEFT;
- ctx->Color.DrawDestMask = FRONT_LEFT_BIT;
+ ctx->Color._DriverDrawBuffer = GL_FRONT_LEFT;
+ ctx->Color._DrawDestMask = FRONT_LEFT_BIT;
ctx->Pixel.ReadBuffer = GL_FRONT;
- ctx->Pixel.DriverReadBuffer = GL_FRONT_LEFT;
+ ctx->Pixel._DriverReadBuffer = GL_FRONT_LEFT;
}
if (!alloc_proxy_textures(ctx)) {
_glapi_add_entrypoint("glCompressedTexSubImage2DARB", 558);
_glapi_add_entrypoint("glCompressedTexSubImage1DARB", 559);
_glapi_add_entrypoint("glGetCompressedTexImageARB", 560);
+ /* XXX we should add a bunch of new functions here */
+
/* Find the larger of Mesa's dispatch table and libGL's dispatch table.
* In practice, this'll be the same for stand-alone Mesa. But for DRI
_mesa_copy_context( const GLcontext *src, GLcontext *dst, GLuint mask )
{
if (mask & GL_ACCUM_BUFFER_BIT) {
- MEMCPY( &dst->Accum, &src->Accum, sizeof(struct gl_accum_attrib) );
+ /* OK to memcpy */
+ dst->Accum = src->Accum;
}
if (mask & GL_COLOR_BUFFER_BIT) {
- MEMCPY( &dst->Color, &src->Color, sizeof(struct gl_colorbuffer_attrib) );
+ /* OK to memcpy */
+ dst->Color = src->Color;
}
if (mask & GL_CURRENT_BIT) {
- MEMCPY( &dst->Current, &src->Current, sizeof(struct gl_current_attrib) );
+ /* OK to memcpy */
+ dst->Current = src->Current;
}
if (mask & GL_DEPTH_BUFFER_BIT) {
- MEMCPY( &dst->Depth, &src->Depth, sizeof(struct gl_depthbuffer_attrib) );
+ /* OK to memcpy */
+ dst->Depth = src->Depth;
}
if (mask & GL_ENABLE_BIT) {
/* no op */
}
if (mask & GL_EVAL_BIT) {
- MEMCPY( &dst->Eval, &src->Eval, sizeof(struct gl_eval_attrib) );
+ /* OK to memcpy */
+ dst->Eval = src->Eval;
}
if (mask & GL_FOG_BIT) {
- MEMCPY( &dst->Fog, &src->Fog, sizeof(struct gl_fog_attrib) );
+ /* OK to memcpy */
+ dst->Fog = src->Fog;
}
if (mask & GL_HINT_BIT) {
- MEMCPY( &dst->Hint, &src->Hint, sizeof(struct gl_hint_attrib) );
+ /* OK to memcpy */
+ dst->Hint = src->Hint;
}
if (mask & GL_LIGHTING_BIT) {
- MEMCPY( &dst->Light, &src->Light, sizeof(struct gl_light_attrib) );
- /* gl_reinit_light_attrib( &dst->Light ); */
+ GLuint i;
+ /* begin with memcpy */
+ MEMCPY( &dst->Light, &src->Light, sizeof(struct gl_light) );
+ /* fixup linked lists to prevent pointer insanity */
+ make_empty_list( &(dst->Light.EnabledList) );
+ for (i = 0; i < MAX_LIGHTS; i++) {
+ if (dst->Light.Light[i].Enabled) {
+ insert_at_tail(&(dst->Light.EnabledList), &(dst->Light.Light[i]));
+ }
+ }
}
if (mask & GL_LINE_BIT) {
- MEMCPY( &dst->Line, &src->Line, sizeof(struct gl_line_attrib) );
+ /* OK to memcpy */
+ dst->Line = src->Line;
}
if (mask & GL_LIST_BIT) {
- MEMCPY( &dst->List, &src->List, sizeof(struct gl_list_attrib) );
+ /* OK to memcpy */
+ dst->List = src->List;
}
if (mask & GL_PIXEL_MODE_BIT) {
- MEMCPY( &dst->Pixel, &src->Pixel, sizeof(struct gl_pixel_attrib) );
+ /* OK to memcpy */
+ dst->Pixel = src->Pixel;
}
if (mask & GL_POINT_BIT) {
- MEMCPY( &dst->Point, &src->Point, sizeof(struct gl_point_attrib) );
+ /* OK to memcpy */
+ dst->Point = src->Point;
}
if (mask & GL_POLYGON_BIT) {
- MEMCPY( &dst->Polygon, &src->Polygon, sizeof(struct gl_polygon_attrib) );
+ /* OK to memcpy */
+ dst->Polygon = src->Polygon;
}
if (mask & GL_POLYGON_STIPPLE_BIT) {
/* Use loop instead of MEMCPY due to problem with Portland Group's
* C compiler. Reported by John Stone.
*/
- int i;
- for (i=0;i<32;i++) {
+ GLuint i;
+ for (i = 0; i < 32; i++) {
dst->PolygonStipple[i] = src->PolygonStipple[i];
}
}
if (mask & GL_SCISSOR_BIT) {
- MEMCPY( &dst->Scissor, &src->Scissor, sizeof(struct gl_scissor_attrib) );
+ /* OK to memcpy */
+ dst->Scissor = src->Scissor;
}
if (mask & GL_STENCIL_BUFFER_BIT) {
- MEMCPY( &dst->Stencil, &src->Stencil, sizeof(struct gl_stencil_attrib) );
+ /* OK to memcpy */
+ dst->Stencil = src->Stencil;
}
if (mask & GL_TEXTURE_BIT) {
- MEMCPY( &dst->Texture, &src->Texture, sizeof(struct gl_texture_attrib) );
+ /* Cannot memcpy because of pointers */
+ _mesa_copy_texture_state(src, dst);
}
if (mask & GL_TRANSFORM_BIT) {
- MEMCPY( &dst->Transform, &src->Transform, sizeof(struct gl_transform_attrib) );
+ /* OK to memcpy */
+ dst->Transform = src->Transform;
}
if (mask & GL_VIEWPORT_BIT) {
- MEMCPY( &dst->Viewport, &src->Viewport, sizeof(struct gl_viewport_attrib) );
+ /* Cannot use memcpy, because of pointers in GLmatrix _WindowMap */
+ dst->Viewport.X = src->Viewport.X;
+ dst->Viewport.Y = src->Viewport.Y;
+ dst->Viewport.Width = src->Viewport.Width;
+ dst->Viewport.Height = src->Viewport.Height;
+ dst->Viewport.Near = src->Viewport.Near;
+ dst->Viewport.Far = src->Viewport.Far;
+ _math_matrix_copy(&dst->Viewport._WindowMap, &src->Viewport._WindowMap);
}
+
/* XXX FIXME: Call callbacks?
*/
dst->NewState = _NEW_ALL;
static void print_info( void )
{
- fprintf(stderr, "Mesa GL_VERSION = %s\n",
+ _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
(char *) _mesa_GetString(GL_VERSION));
- fprintf(stderr, "Mesa GL_RENDERER = %s\n",
+ _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
(char *) _mesa_GetString(GL_RENDERER));
- fprintf(stderr, "Mesa GL_VENDOR = %s\n",
+ _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
(char *) _mesa_GetString(GL_VENDOR));
- fprintf(stderr, "Mesa GL_EXTENSIONS = %s\n",
+ _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
(char *) _mesa_GetString(GL_EXTENSIONS));
#if defined(THREADS)
- fprintf(stderr, "Mesa thread-safe: YES\n");
+ _mesa_debug(NULL, "Mesa thread-safe: YES\n");
#else
- fprintf(stderr, "Mesa thread-safe: NO\n");
+ _mesa_debug(NULL, "Mesa thread-safe: NO\n");
#endif
#if defined(USE_X86_ASM)
- fprintf(stderr, "Mesa x86-optimized: YES\n");
+ _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
#else
- fprintf(stderr, "Mesa x86-optimized: NO\n");
+ _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
#endif
#if defined(USE_SPARC_ASM)
- fprintf(stderr, "Mesa sparc-optimized: YES\n");
+ _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
#else
- fprintf(stderr, "Mesa sparc-optimized: NO\n");
+ _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
#endif
}
newCtx->DrawBuffer = drawBuffer;
newCtx->ReadBuffer = readBuffer;
newCtx->NewState |= _NEW_BUFFERS;
- /* _mesa_update_state( newCtx ); */
+
+ if (drawBuffer->Width == 0 && drawBuffer->Height == 0) {
+ /* get initial window size */
+ GLuint bufWidth, bufHeight;
+
+ /* ask device driver for size of output buffer */
+ (*newCtx->Driver.GetBufferSize)( drawBuffer, &bufWidth, &bufHeight );
+
+ if (drawBuffer->Width == bufWidth && drawBuffer->Height == bufHeight)
+ return; /* size is as expected */
+
+ drawBuffer->Width = bufWidth;
+ drawBuffer->Height = bufHeight;
+
+ newCtx->Driver.ResizeBuffers( drawBuffer );
+ }
+
+ if (readBuffer != drawBuffer &&
+ readBuffer->Width == 0 && readBuffer->Height == 0) {
+ /* get initial window size */
+ GLuint bufWidth, bufHeight;
+
+ /* ask device driver for size of output buffer */
+ (*newCtx->Driver.GetBufferSize)( readBuffer, &bufWidth, &bufHeight );
+
+ if (readBuffer->Width == bufWidth && readBuffer->Height == bufHeight)
+ return; /* size is as expected */
+
+ readBuffer->Width = bufWidth;
+ readBuffer->Height = bufHeight;
+
+ newCtx->Driver.ResizeBuffers( readBuffer );
+ }
}
/* This is only for T&L - a bit out of place, or misnamed (BP) */
/*
- * This function is called when the Mesa user has stumbled into a code
- * path which may not be implemented fully or correctly.
- */
-void _mesa_problem( const GLcontext *ctx, const char *s )
-{
- if (ctx) {
- ctx->imports.fprintf((GLcontext *) ctx, stderr, "Mesa implementation error: %s\n", s);
-#ifdef XF86DRI
- ctx->imports.fprintf((GLcontext *) ctx, stderr, "Please report to the DRI bug database at dri.sourceforge.net\n");
-#else
- ctx->imports.fprintf((GLcontext *) ctx, stderr, "Please report to the Mesa bug database at www.mesa3d.org\n" );
-#endif
- }
- else {
- /* what can we do if we don't have a context???? */
- fprintf( stderr, "Mesa implementation error: %s\n", s );
-#ifdef XF86DRI
- fprintf( stderr, "Please report to the DRI bug database at dri.sourceforge.net\n");
-#else
- fprintf( stderr, "Please report to the Mesa bug database at www.mesa3d.org\n" );
-#endif
- }
-}
-
-
-
-/*
- * This is called to inform the user that he or she has tried to do
- * something illogical or if there's likely a bug in their program
- * (like enabled depth testing without a depth buffer).
- */
-void
-_mesa_warning( const GLcontext *ctx, const char *s )
-{
- (*ctx->imports.warning)((__GLcontext *) ctx, (char *) s);
-}
-
-
-
-/*
- * This is Mesa's error handler. Normally, all that's done is the updating
- * of the current error value. If Mesa is compiled with -DDEBUG or if the
- * environment variable "MESA_DEBUG" is defined then a real error message
- * is printed to stderr.
- * Input: ctx - the GL context
- * error - the error value
- * where - usually the name of function where error was detected
+ * Record the given error code and call the driver's Error function if defined.
+ * This is called via _mesa_error().
*/
void
-_mesa_error( GLcontext *ctx, GLenum error, const char *where )
+_mesa_record_error( GLcontext *ctx, GLenum error )
{
- const char *debugEnv;
- GLboolean debug;
-
- if (ctx)
- debugEnv = ctx->imports.getenv(ctx, "MESA_DEBUG");
- else
- /* what can we do??? */
- debugEnv = "";
-
-#ifdef DEBUG
- if (debugEnv && strstr(debugEnv, "silent"))
- debug = GL_FALSE;
- else
- debug = GL_TRUE;
-#else
- if (debugEnv)
- debug = GL_TRUE;
- else
- debug = GL_FALSE;
-#endif
-
- if (debug) {
- const char *errstr;
- switch (error) {
- case GL_NO_ERROR:
- errstr = "GL_NO_ERROR";
- break;
- case GL_INVALID_VALUE:
- errstr = "GL_INVALID_VALUE";
- break;
- case GL_INVALID_ENUM:
- errstr = "GL_INVALID_ENUM";
- break;
- case GL_INVALID_OPERATION:
- errstr = "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- errstr = "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- errstr = "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- errstr = "GL_OUT_OF_MEMORY";
- break;
- case GL_TABLE_TOO_LARGE:
- errstr = "GL_TABLE_TOO_LARGE";
- break;
- default:
- errstr = "unknown";
- break;
- }
- fprintf(stderr, "Mesa user error: %s in %s\n", errstr, where);
- }
-
if (!ctx)
return;
}
-/*
- * Call this to report debug information. Uses stderr.
- */
-void
-_mesa_debug( const GLcontext *ctx, const char *fmtString, ... )
-{
- va_list args;
- va_start( args, fmtString );
- (void) ctx->imports.fprintf( (__GLcontext *) ctx, stderr, fmtString, args );
- va_end( args );
-}
-
-
-/*
- * A wrapper for printf. Uses stdout.
- */
-void
-_mesa_printf( const GLcontext *ctx, const char *fmtString, ... )
-{
- va_list args;
- va_start( args, fmtString );
- (void) ctx->imports.fprintf( (__GLcontext *) ctx, stdout, fmtString, args );
- va_end( args );
-}
-
-
-
void
_mesa_Finish( void )
{
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