diff options
Diffstat (limited to 'src/mesa/main/varray.c')
| -rw-r--r-- | src/mesa/main/varray.c | 183 |
1 files changed, 141 insertions, 42 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index 8f6621ee45f..3d5b8faecff 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -1,8 +1,9 @@ /* * Mesa 3-D graphics library - * Version: 7.2 + * Version: 7.6 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. 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"), @@ -29,6 +30,7 @@ #include "context.h" #include "enable.h" #include "enums.h" +#include "hash.h" #include "mtypes.h" #include "varray.h" #include "arrayobj.h" @@ -36,26 +38,39 @@ /** - * Update the fields of a vertex array object. - * We need to do a few special things for arrays that live in - * vertex buffer objects. + * Set the fields of a vertex array. + * Also do an error check for GL_ARB_vertex_array_object: check that + * all arrays reside in VBOs when using a vertex array object. * * \param array the array to update * \param dirtyBit which bit to set in ctx->Array.NewState for this array * \param elementSize size of each array element, in bytes * \param size components per element (1, 2, 3 or 4) * \param type datatype of each component (GL_FLOAT, GL_INT, etc) + * \param format either GL_RGBA or GL_BGRA * \param stride stride between elements, in elements * \param normalized are integer types converted to floats in [-1, 1]? * \param ptr the address (or offset inside VBO) of the array data + * \return GL_TRUE if no error, GL_FALSE if error */ -static void +static GLboolean update_array(GLcontext *ctx, struct gl_client_array *array, GLbitfield dirtyBit, GLsizei elementSize, GLint size, GLenum type, GLenum format, GLsizei stride, GLboolean normalized, const GLvoid *ptr) { ASSERT(format == GL_RGBA || format == GL_BGRA); + + if (ctx->Array.ArrayObj->VBOonly && + ctx->Array.ArrayBufferObj->Name == 0) { + /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs. + * Generate GL_INVALID_OPERATION if that's not true. + */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glVertex/Normal/EtcPointer(non-VBO array)"); + return GL_FALSE; + } + array->Size = size; array->Type = type; array->Format = format; @@ -63,24 +78,15 @@ update_array(GLcontext *ctx, struct gl_client_array *array, array->StrideB = stride ? stride : elementSize; array->Normalized = normalized; array->Ptr = (const GLubyte *) ptr; -#if FEATURE_ARB_vertex_buffer_object + array->_ElementSize = elementSize; + _mesa_reference_buffer_object(ctx, &array->BufferObj, ctx->Array.ArrayBufferObj); - /* Compute the index of the last array element that's inside the buffer. - * Later in glDrawArrays we'll check if start + count > _MaxElement to - * be sure we won't go out of bounds. - */ - if (ctx->Array.ArrayBufferObj->Name) - array->_MaxElement = ((GLsizeiptrARB) ctx->Array.ArrayBufferObj->Size - - (GLsizeiptrARB) array->Ptr + array->StrideB - - elementSize) / array->StrideB; - else -#endif - array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */ - ctx->NewState |= _NEW_ARRAY; ctx->Array.NewState |= dirtyBit; + + return GL_TRUE; } @@ -133,8 +139,9 @@ _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) return; } - update_array(ctx, &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX, - elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX, + elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; if (ctx->Driver.VertexPointer) ctx->Driver.VertexPointer( ctx, size, type, stride, ptr ); @@ -183,8 +190,9 @@ _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) return; } - update_array(ctx, &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL, - elementSize, 3, type, GL_RGBA, stride, GL_TRUE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL, + elementSize, 3, type, GL_RGBA, stride, GL_TRUE, ptr)) + return; if (ctx->Driver.NormalPointer) ctx->Driver.NormalPointer( ctx, type, stride, ptr ); @@ -261,8 +269,9 @@ _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) return; } - update_array(ctx, &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0, - elementSize, size, type, format, stride, GL_TRUE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0, + elementSize, size, type, format, stride, GL_TRUE, ptr)) + return; if (ctx->Driver.ColorPointer) ctx->Driver.ColorPointer( ctx, size, type, stride, ptr ); @@ -293,8 +302,9 @@ _mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) return; } - update_array(ctx, &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD, - elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD, + elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; if (ctx->Driver.FogCoordPointer) ctx->Driver.FogCoordPointer( ctx, type, stride, ptr ); @@ -334,8 +344,9 @@ _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) return; } - update_array(ctx, &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX, - elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX, + elementSize, 1, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; if (ctx->Driver.IndexPointer) ctx->Driver.IndexPointer( ctx, type, stride, ptr ); @@ -408,8 +419,10 @@ _mesa_SecondaryColorPointerEXT(GLint size, GLenum type, return; } - update_array(ctx, &ctx->Array.ArrayObj->SecondaryColor, _NEW_ARRAY_COLOR1, - elementSize, size, type, format, stride, GL_TRUE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->SecondaryColor, + _NEW_ARRAY_COLOR1, elementSize, size, type, + format, stride, GL_TRUE, ptr)) + return; if (ctx->Driver.SecondaryColorPointer) ctx->Driver.SecondaryColorPointer( ctx, size, type, stride, ptr ); @@ -467,9 +480,10 @@ _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, return; } - update_array(ctx, &ctx->Array.ArrayObj->TexCoord[unit], - _NEW_ARRAY_TEXCOORD(unit), - elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->TexCoord[unit], + _NEW_ARRAY_TEXCOORD(unit), + elementSize, size, type, GL_RGBA, stride, GL_FALSE, ptr)) + return; if (ctx->Driver.TexCoordPointer) ctx->Driver.TexCoordPointer( ctx, size, type, stride, ptr ); @@ -487,9 +501,10 @@ _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr) return; } - update_array(ctx, &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG, - sizeof(GLboolean), 1, GL_UNSIGNED_BYTE, GL_RGBA, - stride, GL_FALSE, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG, + sizeof(GLboolean), 1, GL_UNSIGNED_BYTE, GL_RGBA, + stride, GL_FALSE, ptr)) + return; if (ctx->Driver.EdgeFlagPointer) ctx->Driver.EdgeFlagPointer( ctx, stride, ptr ); @@ -528,6 +543,12 @@ _mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr) #if FEATURE_NV_vertex_program +/** + * Set a vertex attribute array. + * Note that these arrays DO alias the conventional GL vertex arrays + * (position, normal, color, fog, texcoord, etc). + * The generic attribute slots at #16 and above are not touched. + */ void GLAPIENTRY _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) @@ -593,9 +614,10 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, return; } - update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], - _NEW_ARRAY_ATTRIB(index), - elementSize, size, type, format, stride, normalized, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], + _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, format, stride, normalized, ptr)) + return; if (ctx->Driver.VertexAttribPointer) ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr ); @@ -604,6 +626,11 @@ _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, #if FEATURE_ARB_vertex_program +/** + * Set a generic vertex attribute array. + * Note that these arrays DO NOT alias the conventional GL vertex arrays + * (position, normal, color, fog, texcoord, etc). + */ void GLAPIENTRY _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, GLboolean normalized, @@ -687,9 +714,10 @@ _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, return; } - update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], - _NEW_ARRAY_ATTRIB(index), - elementSize, size, type, format, stride, normalized, ptr); + if (!update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index], + _NEW_ARRAY_ATTRIB(index), + elementSize, size, type, format, stride, normalized, ptr)) + return; if (ctx->Driver.VertexAttribPointer) ctx->Driver.VertexAttribPointer(ctx, index, size, type, stride, ptr); @@ -1065,6 +1093,52 @@ _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count, /** + * Print vertex array's fields. + */ +static void +print_array(const char *name, GLint index, const struct gl_client_array *array) +{ + if (index >= 0) + _mesa_printf(" %s[%d]: ", name, index); + else + _mesa_printf(" %s: ", name); + _mesa_printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %u), MaxElem=%u\n", + array->Ptr, array->Type, array->Size, + array->_ElementSize, array->StrideB, + array->BufferObj->Name, array->BufferObj->Size, + array->_MaxElement); +} + + +/** + * Print current vertex object/array info. For debug. + */ +void +_mesa_print_arrays(GLcontext *ctx) +{ + struct gl_array_object *arrayObj = ctx->Array.ArrayObj; + GLuint i; + + _mesa_update_array_object_max_element(ctx, arrayObj); + + _mesa_printf("Array Object %u\n", arrayObj->Name); + if (arrayObj->Vertex.Enabled) + print_array("Vertex", -1, &arrayObj->Vertex); + if (arrayObj->Normal.Enabled) + print_array("Normal", -1, &arrayObj->Normal); + if (arrayObj->Color.Enabled) + print_array("Color", -1, &arrayObj->Color); + for (i = 0; i < Elements(arrayObj->TexCoord); i++) + if (arrayObj->TexCoord[i].Enabled) + print_array("TexCoord", i, &arrayObj->TexCoord[i]); + for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) + if (arrayObj->VertexAttrib[i].Enabled) + print_array("Attrib", i, &arrayObj->VertexAttrib[i]); + _mesa_printf(" _MaxElement = %u\n", arrayObj->_MaxElement); +} + + +/** * Initialize vertex array state for given context. */ void @@ -1074,4 +1148,29 @@ _mesa_init_varray(GLcontext *ctx) _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, ctx->Array.DefaultArrayObj); ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */ + + ctx->Array.Objects = _mesa_NewHashTable(); +} + + +/** + * Callback for deleting an array object. Called by _mesa_HashDeleteAll(). + */ +static void +delete_arrayobj_cb(GLuint id, void *data, void *userData) +{ + struct gl_array_object *arrayObj = (struct gl_array_object *) data; + GLcontext *ctx = (GLcontext *) userData; + _mesa_delete_array_object(ctx, arrayObj); +} + + +/** + * Free vertex array state for given context. + */ +void +_mesa_free_varray_data(GLcontext *ctx) +{ + _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx); + _mesa_DeleteHashTable(ctx->Array.Objects); } |