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

(cherry picked from commit 4be7296bfcba22a849f949d105ea385e6964cc25)

9 files changed, 151 insertions, 85 deletions

diff --git a/src/mesa/main/api_exec.c b/src/mesa/main/api_exec.c
index e0f081bdbc..a9696a6842 100644
--- a/src/mesa/main/api_exec.c
+++ b/src/mesa/main/api_exec.c
@@ -79,6 +79,7 @@
 #endif
 #include "rastpos.h"
 #include "readpix.h"
+#include "scissor.h"
 #include "state.h"
 #include "stencil.h"
 #include "teximage.h"
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c
index 80ebaf7d38..108532a94d 100644
--- a/src/mesa/main/attrib.c
+++ b/src/mesa/main/attrib.c
@@ -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"
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index a4aa5e9cf4..00f6fb3e64 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -752,79 +752,6 @@ _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;
 }
-
-/*@}*/
diff --git a/src/mesa/main/buffers.h b/src/mesa/main/buffers.h
index 9c0070e00f..0af34757e0 100644
--- a/src/mesa/main/buffers.h
+++ b/src/mesa/main/buffers.h
@@ -66,21 +66,11 @@ 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
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index ef1c417903..a40055075a 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -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"
diff --git a/src/mesa/main/scissor.c b/src/mesa/main/scissor.c
new file mode 100644
index 0000000000..b5f4cde789
--- /dev/null
+++ b/src/mesa/main/scissor.c
@@ -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;
+}
diff --git a/src/mesa/main/scissor.h b/src/mesa/main/scissor.h
new file mode 100644
index 0000000000..b852a2122d
--- /dev/null
+++ b/src/mesa/main/scissor.h
@@ -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
diff --git a/src/mesa/main/sources b/src/mesa/main/sources
index 06f32f2275..60b6b5dc3f 100644
--- a/src/mesa/main/sources
+++ b/src/mesa/main/sources
@@ -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 \
diff --git a/src/mesa/sources b/src/mesa/sources
index 3d7616635d..ee8753365d 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -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 \