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authorBrian Paul <brian.paul@tungstengraphics.com>2001-01-23 23:39:36 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2001-01-23 23:39:36 +0000
commitb6bcae5698df88f7730d40004ce7ce0462e97a20 (patch)
tree14c77826b5016293914eb529822e609792150964 /src/mesa/main/context.c
parentab0c886a6c0dd38ac6168c2a239720a761e6578f (diff)
Replaced struct gl_visual with struct __GLcontextModesRec from glcore.h.
Replace "RGBAMode" with "rgbMode", etc. Other minor clean-ups.
Diffstat (limited to 'src/mesa/main/context.c')
-rw-r--r--src/mesa/main/context.c101
1 files changed, 52 insertions, 49 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 4b951c89f7..736d13a2e9 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1,10 +1,10 @@
-/* $Id: context.c,v 1.116 2001/01/08 04:09:41 keithw Exp $ */
+/* $Id: context.c,v 1.117 2001/01/23 23:39:36 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2001 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"),
@@ -239,6 +239,8 @@ _mesa_initialize_visual( GLvisual *vis,
GLint accumAlphaBits,
GLint numSamples )
{
+ (void) numSamples;
+
assert(vis);
/* This is to catch bad values from device drivers not updated for
@@ -266,43 +268,21 @@ _mesa_initialize_visual( GLvisual *vis,
return GL_FALSE;
}
- vis->RGBAflag = rgbFlag;
- vis->DBflag = dbFlag;
- vis->StereoFlag = stereoFlag;
- vis->RedBits = redBits;
- vis->GreenBits = greenBits;
- vis->BlueBits = blueBits;
- vis->AlphaBits = alphaBits;
-
- vis->IndexBits = indexBits;
- vis->DepthBits = depthBits;
- vis->AccumRedBits = (accumRedBits > 0) ? (8 * sizeof(GLaccum)) : 0;
- vis->AccumGreenBits = (accumGreenBits > 0) ? (8 * sizeof(GLaccum)) : 0;
- vis->AccumBlueBits = (accumBlueBits > 0) ? (8 * sizeof(GLaccum)) : 0;
- vis->AccumAlphaBits = (accumAlphaBits > 0) ? (8 * sizeof(GLaccum)) : 0;
- vis->StencilBits = (stencilBits > 0) ? (8 * sizeof(GLstencil)) : 0;
+ vis->rgbMode = rgbFlag;
+ vis->doubleBufferMode = dbFlag;
+ vis->stereoMode = stereoFlag;
+ vis->redBits = redBits;
+ vis->greenBits = greenBits;
+ vis->blueBits = blueBits;
+ vis->alphaBits = alphaBits;
- if (depthBits == 0) {
- /* Special case. Even if we don't have a depth buffer we need
- * good values for DepthMax for Z vertex transformation purposes
- * and for per-fragment fog computation.
- */
- vis->DepthMax = 1 << 16;
- vis->DepthMaxF = (GLfloat) vis->DepthMax;
- }
- else if (depthBits < 32) {
- vis->DepthMax = (1 << depthBits) - 1;
- vis->DepthMaxF = (GLfloat) vis->DepthMax;
- }
- else {
- /* Special case since shift values greater than or equal to the
- * number of bits in the left hand expression's type are
- * undefined.
- */
- vis->DepthMax = 0xffffffff;
- vis->DepthMaxF = (GLfloat) vis->DepthMax;
- }
- vis->MRD = 2.0; /* XXX temporary value */
+ vis->indexBits = indexBits;
+ vis->depthBits = depthBits;
+ vis->accumRedBits = (accumRedBits > 0) ? (8 * sizeof(GLaccum)) : 0;
+ vis->accumGreenBits = (accumGreenBits > 0) ? (8 * sizeof(GLaccum)) : 0;
+ vis->accumBlueBits = (accumBlueBits > 0) ? (8 * sizeof(GLaccum)) : 0;
+ vis->accumAlphaBits = (accumAlphaBits > 0) ? (8 * sizeof(GLaccum)) : 0;
+ vis->stencilBits = (stencilBits > 0) ? (8 * sizeof(GLstencil)) : 0;
return GL_TRUE;
}
@@ -367,20 +347,20 @@ _mesa_initialize_framebuffer( GLframebuffer *buffer,
/* sanity checks */
if (softwareDepth ) {
- assert(visual->DepthBits > 0);
+ assert(visual->depthBits > 0);
}
if (softwareStencil) {
- assert(visual->StencilBits > 0);
+ assert(visual->stencilBits > 0);
}
if (softwareAccum) {
- assert(visual->RGBAflag);
- assert(visual->AccumRedBits > 0);
- assert(visual->AccumGreenBits > 0);
- assert(visual->AccumBlueBits > 0);
+ assert(visual->rgbMode);
+ assert(visual->accumRedBits > 0);
+ assert(visual->accumGreenBits > 0);
+ assert(visual->accumBlueBits > 0);
}
if (softwareAlpha) {
- assert(visual->RGBAflag);
- assert(visual->AlphaBits > 0);
+ assert(visual->rgbMode);
+ assert(visual->alphaBits > 0);
}
buffer->Visual = visual;
@@ -1159,8 +1139,8 @@ init_attrib_groups( GLcontext *ctx )
#define Sz 10
#define Tz 14
- ctx->Viewport._WindowMap.m[Sz] = 0.5 * ctx->Visual.DepthMaxF;
- ctx->Viewport._WindowMap.m[Tz] = 0.5 * ctx->Visual.DepthMaxF;
+ ctx->Viewport._WindowMap.m[Sz] = 0.5 * ctx->DepthMaxF;
+ ctx->Viewport._WindowMap.m[Tz] = 0.5 * ctx->DepthMaxF;
#undef Sz
#undef Tz
@@ -1408,7 +1388,7 @@ _mesa_initialize_context( GLcontext *ctx,
init_attrib_groups( ctx );
- if (visual->DBflag) {
+ if (visual->doubleBufferMode) {
ctx->Color.DrawBuffer = GL_BACK;
ctx->Color.DriverDrawBuffer = GL_BACK_LEFT;
ctx->Color.DrawDestMask = BACK_LEFT_BIT;
@@ -1461,6 +1441,29 @@ _mesa_initialize_context( GLcontext *ctx,
ctx->ExecPrefersFloat = GL_FALSE;
ctx->SavePrefersFloat = GL_FALSE;
+ /* Z buffer stuff */
+ if (ctx->Visual.depthBits == 0) {
+ /* Special case. Even if we don't have a depth buffer we need
+ * good values for DepthMax for Z vertex transformation purposes
+ * and for per-fragment fog computation.
+ */
+ ctx->DepthMax = 1 << 16;
+ ctx->DepthMaxF = (GLfloat) ctx->DepthMax;
+ }
+ else if (ctx->Visual.depthBits < 32) {
+ ctx->DepthMax = (1 << ctx->Visual.depthBits) - 1;
+ ctx->DepthMaxF = (GLfloat) ctx->DepthMax;
+ }
+ else {
+ /* Special case since shift values greater than or equal to the
+ * number of bits in the left hand expression's type are undefined.
+ */
+ ctx->DepthMax = 0xffffffff;
+ ctx->DepthMaxF = (GLfloat) ctx->DepthMax;
+ }
+ ctx->MRD = 2.0; /* XXX temporary value */
+
+
#if defined(MESA_TRACE)
ctx->TraceCtx = CALLOC( sizeof(trace_context_t) );
#if 0