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changed gl_frame_buffer Xmax and Ymax to be exclusive boundary values

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This commit is contained in:
Brian Paul
2000-09-08 21:28:04 +00:00
parent e18e0e98fe
commit 48c6a6ecd2
7 changed files with 57 additions and 39 deletions
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15
src/mesa/main/buffers.c
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@@ -1,7 +1,8 @@
/* $Id: buffers.c,v 1.11 2000/09/08 21:28:04 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
* Version: 3.5
*
* Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
@@ -90,8 +91,8 @@ clear_color_buffer_with_masking( GLcontext *ctx )
{
const GLint x = ctx->DrawBuffer->Xmin;
const GLint y = ctx->DrawBuffer->Ymin;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin + 1;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin + 1;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin;
if (ctx->Visual->RGBAflag) {
/* RGBA mode */
@@ -140,8 +141,8 @@ clear_color_buffer(GLcontext *ctx)
{
const GLint x = ctx->DrawBuffer->Xmin;
const GLint y = ctx->DrawBuffer->Ymin;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin + 1;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin + 1;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin;
const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask);
if (ctx->Visual->RGBAflag) {
@@ -255,8 +256,8 @@ _mesa_Clear( GLbitfield mask )
if (ctx->RenderMode==GL_RENDER) {
const GLint x = ctx->DrawBuffer->Xmin;
const GLint y = ctx->DrawBuffer->Ymin;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin + 1;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin + 1;
const GLint height = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin;
const GLint width = ctx->DrawBuffer->Xmax - ctx->DrawBuffer->Xmin;
GLbitfield ddMask;
GLbitfield newMask;