OpenHarmony/third_party_mesa3d
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Implemented support for software-based AUX color buffers.

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Only available with Xlib driver for now.
Assorted clean-ups related to Draw/ReadBuffer().
Renamed FRONT_LEFT_BIT -> DD_FRONT_LEFT_BIT, etc.
This commit is contained in:
Brian Paul
2004-03-21 17:05:03 +00:00
parent 0095016425
commit 894844a8d9
62 changed files with 492 additions and 275 deletions
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72
src/mesa/main/buffers.c
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@@ -5,7 +5,7 @@
/*
* Mesa 3-D graphics library
* Version: 6.0.1
* Version: 6.1
*
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
@@ -192,9 +192,9 @@ _mesa_DrawBuffer( GLenum mode )
case GL_FRONT:
/* never an error */
if (ctx->Visual.stereoMode)
ctx->Color._DrawDestMask = FRONT_LEFT_BIT | FRONT_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_FRONT_RIGHT_BIT;
else
ctx->Color._DrawDestMask = FRONT_LEFT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT;
break;
case GL_BACK:
if (!ctx->Visual.doubleBufferMode) {
@@ -202,9 +202,9 @@ _mesa_DrawBuffer( GLenum mode )
return;
}
if (ctx->Visual.stereoMode)
ctx->Color._DrawDestMask = BACK_LEFT_BIT | BACK_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT | DD_BACK_RIGHT_BIT;
else
ctx->Color._DrawDestMask = BACK_LEFT_BIT;
ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT;
break;
case GL_NONE:
/* never an error */
@@ -216,30 +216,30 @@ _mesa_DrawBuffer( GLenum mode )
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_RIGHT)");
return;}
if (ctx->Visual.doubleBufferMode)
ctx->Color._DrawDestMask = FRONT_RIGHT_BIT | BACK_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT;
else
ctx->Color._DrawDestMask = FRONT_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT;
break;
case GL_FRONT_RIGHT:
if (!ctx->Visual.stereoMode) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_FRONT_RIGHT)");
return;
}
ctx->Color._DrawDestMask = FRONT_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_RIGHT_BIT;
break;
case GL_BACK_RIGHT:
if (!ctx->Visual.stereoMode || !ctx->Visual.doubleBufferMode) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_BACK_RIGHT)");
return;
}
ctx->Color._DrawDestMask = BACK_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_BACK_RIGHT_BIT;
break;
case GL_BACK_LEFT:
if (!ctx->Visual.doubleBufferMode) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_BACK_LEFT)");
return;
}
ctx->Color._DrawDestMask = BACK_LEFT_BIT;
ctx->Color._DrawDestMask = DD_BACK_LEFT_BIT;
break;
case GL_FRONT_AND_BACK:
if (!ctx->Visual.doubleBufferMode) {
@@ -247,25 +247,25 @@ _mesa_DrawBuffer( GLenum mode )
return;
}
if (ctx->Visual.stereoMode)
ctx->Color._DrawDestMask = FRONT_LEFT_BIT | BACK_LEFT_BIT
| FRONT_RIGHT_BIT | BACK_RIGHT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT
| DD_FRONT_RIGHT_BIT | DD_BACK_RIGHT_BIT;
else
ctx->Color._DrawDestMask = FRONT_LEFT_BIT | BACK_LEFT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT;
break;
case GL_LEFT:
/* never an error */
if (ctx->Visual.doubleBufferMode)
ctx->Color._DrawDestMask = FRONT_LEFT_BIT | BACK_LEFT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT;
else
ctx->Color._DrawDestMask = FRONT_LEFT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT;
break;
case GL_FRONT_LEFT:
/* never an error */
ctx->Color._DrawDestMask = FRONT_LEFT_BIT;
ctx->Color._DrawDestMask = DD_FRONT_LEFT_BIT;
break;
case GL_AUX0:
if (ctx->Const.NumAuxBuffers >= 1) {
ctx->Color._DrawDestMask = AUX0_BIT;
if (ctx->Visual.numAuxBuffers >= 1) {
ctx->Color._DrawDestMask = DD_AUX0_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX0)" );
@@ -273,8 +273,8 @@ _mesa_DrawBuffer( GLenum mode )
}
break;
case GL_AUX1:
if (ctx->Const.NumAuxBuffers >= 2) {
ctx->Color._DrawDestMask = AUX1_BIT;
if (ctx->Visual.numAuxBuffers >= 2) {
ctx->Color._DrawDestMask = DD_AUX1_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX1)" );
@@ -282,8 +282,8 @@ _mesa_DrawBuffer( GLenum mode )
}
break;
case GL_AUX2:
if (ctx->Const.NumAuxBuffers >= 3) {
ctx->Color._DrawDestMask = AUX2_BIT;
if (ctx->Visual.numAuxBuffers >= 3) {
ctx->Color._DrawDestMask = DD_AUX2_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX2)" );
@@ -291,8 +291,8 @@ _mesa_DrawBuffer( GLenum mode )
}
break;
case GL_AUX3:
if (ctx->Const.NumAuxBuffers >= 4) {
ctx->Color._DrawDestMask = AUX3_BIT;
if (ctx->Visual.numAuxBuffers >= 4) {
ctx->Color._DrawDestMask = DD_AUX3_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glDrawBuffer(GL_AUX3)" );
@@ -344,7 +344,7 @@ _mesa_ReadBuffer( GLenum mode )
case GL_FRONT:
case GL_FRONT_LEFT:
/* Front-Left buffer, always exists */
ctx->Pixel._ReadSrcMask = FRONT_LEFT_BIT;
ctx->Pixel._ReadSrcMask = DD_FRONT_LEFT_BIT;
break;
case GL_BACK:
case GL_BACK_LEFT:
@@ -353,7 +353,7 @@ _mesa_ReadBuffer( GLenum mode )
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" );
return;
}
ctx->Pixel._ReadSrcMask = BACK_LEFT_BIT;
ctx->Pixel._ReadSrcMask = DD_BACK_LEFT_BIT;
break;
#if _HAVE_FULL_GL
case GL_FRONT_RIGHT:
@@ -362,18 +362,18 @@ _mesa_ReadBuffer( GLenum mode )
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" );
return;
}
ctx->Pixel._ReadSrcMask = FRONT_RIGHT_BIT;
ctx->Pixel._ReadSrcMask = DD_FRONT_RIGHT_BIT;
break;
case GL_BACK_RIGHT:
if (!ctx->Visual.stereoMode || !ctx->Visual.doubleBufferMode) {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer" );
return;
}
ctx->Pixel._ReadSrcMask = BACK_RIGHT_BIT;
ctx->Pixel._ReadSrcMask = DD_BACK_RIGHT_BIT;
break;
case GL_AUX0:
if (ctx->Const.NumAuxBuffers >= 1) {
ctx->Pixel._ReadSrcMask = AUX0_BIT;
if (ctx->Visual.numAuxBuffers >= 1) {
ctx->Pixel._ReadSrcMask = DD_AUX0_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX0)" );
@@ -381,8 +381,8 @@ _mesa_ReadBuffer( GLenum mode )
}
break;
case GL_AUX1:
if (ctx->Const.NumAuxBuffers >= 2) {
ctx->Pixel._ReadSrcMask = AUX1_BIT;
if (ctx->Visual.numAuxBuffers >= 2) {
ctx->Pixel._ReadSrcMask = DD_AUX1_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX1)" );
@@ -390,8 +390,8 @@ _mesa_ReadBuffer( GLenum mode )
}
break;
case GL_AUX2:
if (ctx->Const.NumAuxBuffers >= 3) {
ctx->Pixel._ReadSrcMask = AUX2_BIT;
if (ctx->Visual.numAuxBuffers >= 3) {
ctx->Pixel._ReadSrcMask = DD_AUX2_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX2)" );
@@ -399,8 +399,8 @@ _mesa_ReadBuffer( GLenum mode )
}
break;
case GL_AUX3:
if (ctx->Const.NumAuxBuffers >= 4) {
ctx->Pixel._ReadSrcMask = AUX3_BIT;
if (ctx->Visual.numAuxBuffers >= 4) {
ctx->Pixel._ReadSrcMask = DD_AUX3_BIT;
}
else {
_mesa_error( ctx, GL_INVALID_OPERATION, "glReadBuffer(GL_AUX3)" );