From e2b72495550980198dcc0580af8de1fe9dfd8c67 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Mon, 22 Jun 2009 16:56:35 -0600 Subject: mesa: enforce the rule that arrays live in VBOs for GL_ARB_vertex_array_object --- src/mesa/main/varray.c | 77 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 52 insertions(+), 25 deletions(-) (limited to 'src/mesa/main/varray.c') diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c index 3fbc730dc2..3d5b8faecf 100644 --- a/src/mesa/main/varray.c +++ b/src/mesa/main/varray.c @@ -39,6 +39,8 @@ /** * 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 @@ -49,14 +51,26 @@ * \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; @@ -71,6 +85,8 @@ update_array(GLcontext *ctx, struct gl_client_array *array, ctx->NewState |= _NEW_ARRAY; ctx->Array.NewState |= dirtyBit; + + return GL_TRUE; } @@ -123,8 +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 ); @@ -173,8 +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 ); @@ -251,8 +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 ); @@ -283,8 +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 ); @@ -324,8 +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 ); @@ -398,8 +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 ); @@ -457,9 +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 ); @@ -477,9 +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 ); @@ -589,9 +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 ); @@ -688,9 +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); -- cgit v1.2.3