mesa: refactor: move scissor functions into new scissor.c file

(cherry picked from commit 4be7296bfc)
This commit is contained in:
Brian Paul
2008-06-09 14:55:24 -06:00
committed by Keith Whitwell
parent 18d2822905
commit 55e341c4c2
9 changed files with 151 additions and 85 deletions

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@@ -79,6 +79,7 @@
#endif
#include "rastpos.h"
#include "readpix.h"
#include "scissor.h"
#include "state.h"
#include "stencil.h"
#include "teximage.h"

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@@ -43,6 +43,7 @@
#include "matrix.h"
#include "points.h"
#include "polygon.h"
#include "scissor.h"
#include "simple_list.h"
#include "stencil.h"
#include "texobj.h"

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@@ -751,79 +751,6 @@ _mesa_SampleCoverageARB(GLclampf value, GLboolean invert)
/**
* Define the scissor box.
*
* \param x, y coordinates of the scissor box lower-left corner.
* \param width width of the scissor box.
* \param height height of the scissor box.
*
* \sa glScissor().
*
* Verifies the parameters and updates __GLcontextRec::Scissor. On a
* change flushes the vertices and notifies the driver via
* the dd_function_table::Scissor callback.
*/
void
_mesa_set_scissor(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height)
{
if (x == ctx->Scissor.X &&
y == ctx->Scissor.Y &&
width == ctx->Scissor.Width &&
height == ctx->Scissor.Height)
return;
FLUSH_VERTICES(ctx, _NEW_SCISSOR);
ctx->Scissor.X = x;
ctx->Scissor.Y = y;
ctx->Scissor.Width = width;
ctx->Scissor.Height = height;
if (ctx->Driver.Scissor)
ctx->Driver.Scissor( ctx, x, y, width, height );
}
void GLAPIENTRY
_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glScissor" );
return;
}
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glScissor %d %d %d %d\n", x, y, width, height);
_mesa_set_scissor(ctx, x, y, width, height);
}
/**********************************************************************/
/** \name Initialization */
/*@{*/
/**
* Initialize the context's scissor state.
* \param ctx the GL context.
*/
void
_mesa_init_scissor(GLcontext *ctx)
{
/* Scissor group */
ctx->Scissor.Enabled = GL_FALSE;
ctx->Scissor.X = 0;
ctx->Scissor.Y = 0;
ctx->Scissor.Width = 0;
ctx->Scissor.Height = 0;
}
/**
* Initialize the context's multisample state.
* \param ctx the GL context.
@@ -838,5 +765,3 @@ _mesa_init_multisample(GLcontext *ctx)
ctx->Multisample.SampleCoverageValue = 1.0;
ctx->Multisample.SampleCoverageInvert = GL_FALSE;
}
/*@}*/

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@@ -65,22 +65,12 @@ _mesa_ReadBuffer( GLenum mode );
extern void GLAPIENTRY
_mesa_ResizeBuffersMESA( void );
extern void GLAPIENTRY
_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height );
extern void GLAPIENTRY
_mesa_SampleCoverageARB(GLclampf value, GLboolean invert);
extern void
_mesa_init_scissor(GLcontext *ctx);
extern void
_mesa_init_multisample(GLcontext *ctx);
extern void
_mesa_set_scissor(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height);
extern void _mesa_resizebuffers( GLcontext *ctx );
#endif

View File

@@ -111,6 +111,7 @@
#include "polygon.h"
#include "queryobj.h"
#include "rastpos.h"
#include "scissor.h"
#include "simple_list.h"
#include "state.h"
#include "stencil.h"

99
src/mesa/main/scissor.c Normal file
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@@ -0,0 +1,99 @@
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2007 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"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "main/glheader.h"
#include "main/context.h"
#include "main/scissor.h"
/**
* Called via glScissor
*/
void GLAPIENTRY
_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glScissor" );
return;
}
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glScissor %d %d %d %d\n", x, y, width, height);
_mesa_set_scissor(ctx, x, y, width, height);
}
/**
* Define the scissor box.
*
* \param x, y coordinates of the scissor box lower-left corner.
* \param width width of the scissor box.
* \param height height of the scissor box.
*
* \sa glScissor().
*
* Verifies the parameters and updates __GLcontextRec::Scissor. On a
* change flushes the vertices and notifies the driver via
* the dd_function_table::Scissor callback.
*/
void
_mesa_set_scissor(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height)
{
if (x == ctx->Scissor.X &&
y == ctx->Scissor.Y &&
width == ctx->Scissor.Width &&
height == ctx->Scissor.Height)
return;
FLUSH_VERTICES(ctx, _NEW_SCISSOR);
ctx->Scissor.X = x;
ctx->Scissor.Y = y;
ctx->Scissor.Width = width;
ctx->Scissor.Height = height;
if (ctx->Driver.Scissor)
ctx->Driver.Scissor( ctx, x, y, width, height );
}
/**
* Initialize the context's scissor state.
* \param ctx the GL context.
*/
void
_mesa_init_scissor(GLcontext *ctx)
{
/* Scissor group */
ctx->Scissor.Enabled = GL_FALSE;
ctx->Scissor.X = 0;
ctx->Scissor.Y = 0;
ctx->Scissor.Width = 0;
ctx->Scissor.Height = 0;
}

46
src/mesa/main/scissor.h Normal file
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@@ -0,0 +1,46 @@
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* Copyright (C) 1999-2007 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"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SCISSOR_H
#define SCISSOR_H
#include "main/mtypes.h"
extern void GLAPIENTRY
_mesa_Scissor( GLint x, GLint y, GLsizei width, GLsizei height );
extern void
_mesa_set_scissor(GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height);
extern void
_mesa_init_scissor(GLcontext *ctx);
#endif

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@@ -50,6 +50,7 @@ readpix.c \
rastpos.c \
rbadaptors.c \
renderbuffer.c \
scissor.c \
state.c \
stencil.c \
texcompress.c \
@@ -127,6 +128,7 @@ rbadaptors.h \
readpix.h \
renderbuffer.h \
simple_list.h \
scissor.h \
state.h \
stencil.h \
texcompress.h \

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@@ -52,6 +52,7 @@ MAIN_SOURCES = \
main/rbadaptors.c \
main/readpix.c \
main/renderbuffer.c \
main/scissor.c \
main/shaders.c \
main/state.c \
main/stencil.c \