_mesa_init_driver_functions() to initialize dd_function_table

1 files changed, 206 insertions, 0 deletions

diff --git a/src/mesa/drivers/common/driverfuncs.c b/src/mesa/drivers/common/driverfuncs.c
new file mode 100644
index 00000000000..2ab1b82cb50
--- /dev/null
+++ b/src/mesa/drivers/common/driverfuncs.c
@@ -0,0 +1,206 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.1
+ *
+ * Copyright (C) 1999-2004  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 "glheader.h"
+#include "imports.h"
+#include "buffers.h"
+#include "context.h"
+#include "texformat.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "texstore.h"
+#include "bufferobj.h"
+
+#include "driverfuncs.h"
+#include "swrast/swrast.h"
+
+
+
+/**
+ * Plug in default functions for all pointers in the dd_function_table
+ * structure.
+ * Device drivers should call this function and then plug in any
+ * functions which it wants to override.
+ * Some functions (pointers) MUST be implemented by all drivers (REQUIRED).
+ *
+ * \param table the dd_function_table to initialize
+ */
+void
+_mesa_init_driver_functions(struct dd_function_table *driver)
+{
+   _mesa_bzero(driver, sizeof(*driver));
+
+   driver->GetString = NULL;  /* REQUIRED! */
+   driver->UpdateState = NULL;  /* REQUIRED! */
+   driver->GetBufferSize = NULL;  /* REQUIRED! */
+   driver->ResizeBuffers = _swrast_alloc_buffers;
+   driver->Error = NULL;
+
+   driver->Finish = NULL;
+   driver->Flush = NULL;
+
+   /* framebuffer/image functions */
+   driver->Clear = _swrast_Clear;
+   driver->Accum = _swrast_Accum;
+   driver->DrawPixels = _swrast_DrawPixels;
+   driver->ReadPixels = _swrast_ReadPixels;
+   driver->CopyPixels = _swrast_CopyPixels;
+   driver->Bitmap = _swrast_Bitmap;
+
+   /* Texture functions */
+   driver->ChooseTextureFormat = _mesa_choose_tex_format;
+   driver->TexImage1D = _mesa_store_teximage1d;
+   driver->TexImage2D = _mesa_store_teximage2d;
+   driver->TexImage3D = _mesa_store_teximage3d;
+   driver->TexSubImage1D = _mesa_store_texsubimage1d;
+   driver->TexSubImage2D = _mesa_store_texsubimage2d;
+   driver->TexSubImage3D = _mesa_store_texsubimage3d;
+   driver->CopyTexImage1D = _swrast_copy_teximage1d;
+   driver->CopyTexImage2D = _swrast_copy_teximage2d;
+   driver->CopyTexSubImage1D = _swrast_copy_texsubimage1d;
+   driver->CopyTexSubImage2D = _swrast_copy_texsubimage2d;
+   driver->CopyTexSubImage3D = _swrast_copy_texsubimage3d;
+   driver->TestProxyTexImage = _mesa_test_proxy_teximage;
+   driver->CompressedTexImage1D = _mesa_store_compressed_teximage1d;
+   driver->CompressedTexImage2D = _mesa_store_compressed_teximage2d;
+   driver->CompressedTexImage3D = _mesa_store_compressed_teximage3d;
+   driver->CompressedTexSubImage1D = _mesa_store_compressed_texsubimage1d;
+   driver->CompressedTexSubImage2D = _mesa_store_compressed_texsubimage2d;
+   driver->CompressedTexSubImage3D = _mesa_store_compressed_texsubimage3d;
+   driver->IsCompressedFormat = NULL; /* XXX?? */
+   driver->CompressedTextureSize = NULL; /* XXX?? */
+   driver->BindTexture = NULL;
+   driver->NewTextureObject = _mesa_new_texture_object;
+   driver->DeleteTexture = _mesa_delete_texture_object;
+   driver->NewTextureImage = _mesa_new_texture_image;
+   driver->IsTextureResident = NULL;
+   driver->PrioritizeTexture = NULL;
+   driver->ActiveTexture = NULL;
+   driver->UpdateTexturePalette = NULL;
+
+   /* imaging */
+   driver->CopyColorTable = _swrast_CopyColorTable;
+   driver->CopyColorSubTable = _swrast_CopyColorSubTable;
+   driver->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
+   driver->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+
+   /* simple state commands */
+   driver->AlphaFunc = NULL;
+   driver->BlendColor = NULL;
+   driver->BlendEquation = NULL;
+   driver->BlendFunc = NULL;
+   driver->BlendFuncSeparate = NULL;
+   driver->ClearColor = NULL;
+   driver->ClearDepth = NULL;
+   driver->ClearIndex = NULL;
+   driver->ClearStencil = NULL;
+   driver->ClipPlane = NULL;
+   driver->ColorMask = NULL;
+   driver->ColorMaterial = NULL;
+   driver->CullFace = NULL;
+   driver->DrawBuffer = _swrast_DrawBuffer;
+   driver->FrontFace = NULL;
+   driver->DepthFunc = NULL;
+   driver->DepthMask = NULL;
+   driver->DepthRange = NULL;
+   driver->Enable = NULL;
+   driver->Fogfv = NULL;
+   driver->Hint = NULL;
+   driver->IndexMask = NULL;
+   driver->Lightfv = NULL;
+   driver->LightModelfv = NULL;
+   driver->LineStipple = NULL;
+   driver->LineWidth = NULL;
+   driver->LogicOpcode = NULL;
+   driver->PointParameterfv = NULL;
+   driver->PointSize = NULL;
+   driver->PolygonMode = NULL;
+   driver->PolygonOffset = NULL;
+   driver->PolygonStipple = NULL;
+   driver->ReadBuffer = NULL;
+   driver->RenderMode = NULL;
+   driver->Scissor = NULL;
+   driver->ShadeModel = NULL;
+   driver->StencilFunc = NULL;
+   driver->StencilMask = NULL;
+   driver->StencilOp = NULL;
+   driver->ActiveStencilFace = NULL;
+   driver->TexGen = NULL;
+   driver->TexEnv = NULL;
+   driver->TexParameter = NULL;
+   driver->TextureMatrix = NULL;
+   driver->Viewport = NULL;
+
+   /* vertex arrays */
+   driver->VertexPointer = NULL;
+   driver->NormalPointer = NULL;
+   driver->ColorPointer = NULL;
+   driver->FogCoordPointer = NULL;
+   driver->IndexPointer = NULL;
+   driver->SecondaryColorPointer = NULL;
+   driver->TexCoordPointer = NULL;
+   driver->EdgeFlagPointer = NULL;
+   driver->VertexAttribPointer = NULL;
+   driver->LockArraysEXT = NULL;
+   driver->UnlockArraysEXT = NULL;
+
+   /* state queries */
+   driver->GetBooleanv = NULL;
+   driver->GetDoublev = NULL;
+   driver->GetFloatv = NULL;
+   driver->GetIntegerv = NULL;
+   driver->GetPointerv = NULL;
+   
+#if FEATURE_ARB_vertex_buffer_object
+   driver->NewBufferObject = _mesa_new_buffer_object;
+   driver->DeleteBuffer = _mesa_delete_buffer_object;
+   driver->BindBuffer = NULL;
+   driver->BufferData = _mesa_buffer_data;
+   driver->BufferSubData = _mesa_buffer_subdata;
+   driver->GetBufferSubData = _mesa_buffer_get_subdata;
+   driver->MapBuffer = _mesa_buffer_map;
+   driver->UnmapBuffer = NULL;
+#endif
+
+   /* T&L stuff */
+   driver->NeedValidate = GL_FALSE;
+   driver->ValidateTnlModule = NULL;
+   driver->CurrentExecPrimitive = 0;
+   driver->CurrentSavePrimitive = 0;
+   driver->NeedFlush = 0;
+   driver->SaveNeedFlush = 0;
+
+   driver->FlushVertices = NULL;
+   driver->SaveFlushVertices = NULL;
+   driver->NotifySaveBegin = NULL;
+   driver->LightingSpaceChange = NULL;
+   driver->MakeCurrent = NULL;
+
+   /* display list */
+   driver->NewList = NULL;
+   driver->EndList = NULL;
+   driver->BeginCallList = NULL;
+   driver->EndCallList = NULL;
+}