diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/api_validate.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/api_validate.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/api_validate.c b/nx-X11/extras/Mesa/src/mesa/main/api_validate.c deleted file mode 100644 index d1c8f42e7..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/api_validate.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.1 - * - * Copyright (C) 1999-2003 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 "api_validate.h" -#include "context.h" -#include "imports.h" -#include "mtypes.h" -#include "state.h" - - -GLboolean -_mesa_validate_DrawElements(GLcontext *ctx, - GLenum mode, GLsizei count, GLenum type, - const GLvoid *indices) -{ - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - - if (count <= 0) { - if (count < 0) - _mesa_error(ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); - return GL_FALSE; - } - - if (mode > GL_POLYGON) { - _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(mode)" ); - return GL_FALSE; - } - - if (type != GL_UNSIGNED_INT && - type != GL_UNSIGNED_BYTE && - type != GL_UNSIGNED_SHORT) - { - _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); - return GL_FALSE; - } - - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Always need vertex positions */ - if (!ctx->Array.Vertex.Enabled - && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled)) - return GL_FALSE; - - /* Vertex buffer object tests */ - if (ctx->Array.ElementArrayBufferObj->Name) { - GLuint indexBytes; - - /* use indices in the buffer object */ - if (!ctx->Array.ElementArrayBufferObj->Data) { - _mesa_warning(ctx, "DrawElements with empty vertex elements buffer!"); - return GL_FALSE; - } - - /* make sure count doesn't go outside buffer bounds */ - if (type == GL_UNSIGNED_INT) { - indexBytes = count * sizeof(GLuint); - } - else if (type == GL_UNSIGNED_BYTE) { - indexBytes = count * sizeof(GLubyte); - } - else { - ASSERT(type == GL_UNSIGNED_SHORT); - indexBytes = count * sizeof(GLushort); - } - - if ((GLubyte *) indices + indexBytes > - ctx->Array.ElementArrayBufferObj->Data + - ctx->Array.ElementArrayBufferObj->Size) { - _mesa_warning(ctx, "glDrawElements index out of buffer bounds"); - return GL_FALSE; - } - - /* Actual address is the sum of pointers. Indices may be used below. */ - if (ctx->Const.CheckArrayBounds) { - indices = (const GLvoid *) - ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data, - (const GLubyte *) indices); - } - } - - if (ctx->Const.CheckArrayBounds) { - /* find max array index */ - GLuint max = 0; - GLint i; - if (type == GL_UNSIGNED_INT) { - for (i = 0; i < count; i++) - if (((GLuint *) indices)[i] > max) - max = ((GLuint *) indices)[i]; - } - else if (type == GL_UNSIGNED_SHORT) { - for (i = 0; i < count; i++) - if (((GLushort *) indices)[i] > max) - max = ((GLushort *) indices)[i]; - } - else { - ASSERT(type == GL_UNSIGNED_BYTE); - for (i = 0; i < count; i++) - if (((GLubyte *) indices)[i] > max) - max = ((GLubyte *) indices)[i]; - } - if (max >= ctx->Array._MaxElement) { - /* the max element is out of bounds of one or more enabled arrays */ - return GL_FALSE; - } - } - - return GL_TRUE; -} - - -GLboolean -_mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, - GLuint start, GLuint end, - GLsizei count, GLenum type, - const GLvoid *indices) -{ - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - - if (count <= 0) { - if (count < 0) - _mesa_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements(count)" ); - return GL_FALSE; - } - - if (mode > GL_POLYGON) { - _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(mode)" ); - return GL_FALSE; - } - - if (end < start) { - _mesa_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements(end<start)"); - return GL_FALSE; - } - - if (type != GL_UNSIGNED_INT && - type != GL_UNSIGNED_BYTE && - type != GL_UNSIGNED_SHORT) { - _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(type)" ); - return GL_FALSE; - } - - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Always need vertex positions */ - if (!ctx->Array.Vertex.Enabled - && !(ctx->VertexProgram._Enabled && ctx->Array.VertexAttrib[0].Enabled)) - return GL_FALSE; - - if (ctx->Const.CheckArrayBounds) { - /* Find max array index. - * We don't trust the user's start and end values. - */ - GLuint max = 0; - GLint i; - if (type == GL_UNSIGNED_INT) { - for (i = 0; i < count; i++) - if (((GLuint *) indices)[i] > max) - max = ((GLuint *) indices)[i]; - } - else if (type == GL_UNSIGNED_SHORT) { - for (i = 0; i < count; i++) - if (((GLushort *) indices)[i] > max) - max = ((GLushort *) indices)[i]; - } - else { - ASSERT(type == GL_UNSIGNED_BYTE); - for (i = 0; i < count; i++) - if (((GLubyte *) indices)[i] > max) - max = ((GLubyte *) indices)[i]; - } - if (max >= ctx->Array._MaxElement) { - /* the max element is out of bounds of one or more enabled arrays */ - return GL_FALSE; - } - } - - return GL_TRUE; -} - - -/** - * Called from the tnl module to error check the function parameters and - * verify that we really can draw something. - */ -GLboolean -_mesa_validate_DrawArrays(GLcontext *ctx, - GLenum mode, GLint start, GLsizei count) -{ - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); - - if (count < 0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glDrawArrays(count)" ); - return GL_FALSE; - } - - if (mode > GL_POLYGON) { - _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); - return GL_FALSE; - } - - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Always need vertex positions */ - if (!ctx->Array.Vertex.Enabled && !ctx->Array.VertexAttrib[0].Enabled) - return GL_FALSE; - - if (ctx->Const.CheckArrayBounds) { - if (start + count > (GLint) ctx->Array._MaxElement) - return GL_FALSE; - } - - return GL_TRUE; -} |