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| Rev | Author | Line No. | Line |
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| 55 | pj | 1 | /* $Id: api_validate.c,v 1.1 2003-02-28 11:41:57 pj Exp $ */ |
| 2 | |||
| 3 | /* |
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| 4 | * Mesa 3-D graphics library |
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| 5 | * Version: 4.1 |
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| 6 | * |
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| 7 | * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. |
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| 8 | * |
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 10 | * copy of this software and associated documentation files (the "Software"), |
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| 11 | * to deal in the Software without restriction, including without limitation |
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 14 | * Software is furnished to do so, subject to the following conditions: |
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| 15 | * |
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| 16 | * The above copyright notice and this permission notice shall be included |
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| 17 | * in all copies or substantial portions of the Software. |
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| 18 | * |
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | */ |
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| 26 | |||
| 27 | #include "glheader.h" |
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| 28 | #include "api_validate.h" |
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| 29 | #include "context.h" |
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| 30 | #include "imports.h" |
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| 31 | #include "mtypes.h" |
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| 32 | #include "state.h" |
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| 33 | |||
| 34 | |||
| 35 | GLboolean |
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| 36 | _mesa_validate_DrawElements(GLcontext *ctx, |
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| 37 | GLenum mode, GLsizei count, GLenum type, |
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| 38 | const GLvoid *indices) |
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| 39 | { |
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| 40 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); |
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| 41 | |||
| 42 | if (count <= 0) { |
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| 43 | if (count < 0) |
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| 44 | _mesa_error(ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); |
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| 45 | return GL_FALSE; |
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| 46 | } |
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| 47 | |||
| 48 | if (mode < 0 || |
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| 49 | mode > GL_POLYGON) { |
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| 50 | _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); |
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| 51 | return GL_FALSE; |
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| 52 | } |
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| 53 | |||
| 54 | if (type != GL_UNSIGNED_INT && |
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| 55 | type != GL_UNSIGNED_BYTE && |
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| 56 | type != GL_UNSIGNED_SHORT) |
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| 57 | { |
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| 58 | _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); |
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| 59 | return GL_FALSE; |
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| 60 | } |
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| 61 | |||
| 62 | if (ctx->NewState) |
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| 63 | _mesa_update_state( ctx ); |
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| 64 | |||
| 65 | if (ctx->Array.Vertex.Enabled |
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| 66 | || (ctx->VertexProgram.Enabled && ctx->Array.VertexAttrib[0].Enabled)) |
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| 67 | return GL_TRUE; |
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| 68 | else |
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| 69 | return GL_FALSE; |
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| 70 | |||
| 71 | return GL_TRUE; |
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| 72 | } |
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| 73 | |||
| 74 | |||
| 75 | GLboolean |
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| 76 | _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, |
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| 77 | GLuint start, GLuint end, |
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| 78 | GLsizei count, GLenum type, |
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| 79 | const GLvoid *indices) |
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| 80 | { |
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| 81 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); |
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| 82 | |||
| 83 | if (count <= 0) { |
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| 84 | if (count < 0) |
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| 85 | _mesa_error(ctx, GL_INVALID_VALUE, "glDrawElements(count)" ); |
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| 86 | return GL_FALSE; |
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| 87 | } |
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| 88 | |||
| 89 | if (mode < 0 || mode > GL_POLYGON) { |
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| 90 | _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); |
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| 91 | return GL_FALSE; |
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| 92 | } |
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| 93 | |||
| 94 | if (end < start) { |
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| 95 | _mesa_error(ctx, GL_INVALID_VALUE, "glDrawRangeElements(end<start)"); |
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| 96 | return GL_FALSE; |
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| 97 | } |
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| 98 | |||
| 99 | if (type != GL_UNSIGNED_INT && |
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| 100 | type != GL_UNSIGNED_BYTE && |
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| 101 | type != GL_UNSIGNED_SHORT) { |
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| 102 | _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" ); |
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| 103 | return GL_FALSE; |
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| 104 | } |
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| 105 | |||
| 106 | if (ctx->NewState) |
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| 107 | _mesa_update_state( ctx ); |
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| 108 | |||
| 109 | if (ctx->Array.Vertex.Enabled |
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| 110 | || (ctx->VertexProgram.Enabled && ctx->Array.VertexAttrib[0].Enabled)) |
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| 111 | return GL_TRUE; |
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| 112 | else |
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| 113 | return GL_FALSE; |
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| 114 | } |
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| 115 | |||
| 116 | |||
| 117 | |||
| 118 | GLboolean |
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| 119 | _mesa_validate_DrawArrays(GLcontext *ctx, |
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| 120 | GLenum mode, GLint start, GLsizei count) |
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| 121 | { |
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| 122 | ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); |
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| 123 | |||
| 124 | if (count<0) { |
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| 125 | _mesa_error(ctx, GL_INVALID_VALUE, "glDrawArrays(count)" ); |
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| 126 | return GL_FALSE; |
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| 127 | } |
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| 128 | |||
| 129 | if (mode < 0 || mode > GL_POLYGON) { |
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| 130 | _mesa_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)" ); |
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| 131 | return GL_FALSE; |
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| 132 | } |
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| 133 | |||
| 134 | if (ctx->NewState) |
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| 135 | _mesa_update_state( ctx ); |
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| 136 | |||
| 137 | if (ctx->Array.Vertex.Enabled |
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| 138 | || (ctx->VertexProgram.Enabled && ctx->Array.VertexAttrib[0].Enabled)) |
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| 139 | return GL_TRUE; |
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| 140 | else |
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| 141 | return GL_FALSE; |
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| 142 | } |