OpenHarmony/third_party_mesa3d
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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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6
src/mesa/main/depth.c
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@@ -1,4 +1,4 @@
/* $Id: depth.c,v 1.17 2000/04/11 20:42:22 brianp Exp $ */
/* $Id: depth.c,v 1.18 2000/09/08 21:28:04 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -1629,7 +1629,7 @@ _mesa_clear_depth_buffer( GLcontext *ctx )
/* only clear scissor region */
if (ctx->Visual->DepthBits <= 16) {
const GLushort clearValue = (GLushort) (ctx->Depth.Clear * ctx->Visual->DepthMax);
const GLint rows = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin + 1;
const GLint rows = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin;
const GLint width = ctx->DrawBuffer->Width;
GLushort *dRow = (GLushort *) ctx->DrawBuffer->DepthBuffer
+ ctx->DrawBuffer->Ymin * width + ctx->DrawBuffer->Xmin;
@@ -1643,7 +1643,7 @@ _mesa_clear_depth_buffer( GLcontext *ctx )
}
else {
const GLuint clearValue = (GLuint) (ctx->Depth.Clear * ctx->Visual->DepthMax);
const GLint rows = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin + 1;
const GLint rows = ctx->DrawBuffer->Ymax - ctx->DrawBuffer->Ymin;
const GLint width = ctx->DrawBuffer->Width;
GLuint *dRow = (GLuint *) ctx->DrawBuffer->DepthBuffer
+ ctx->DrawBuffer->Ymin * width + ctx->DrawBuffer->Xmin;