diff options
Diffstat (limited to 'mesalib/src/mesa/main/api_validate.c')
-rw-r--r-- | mesalib/src/mesa/main/api_validate.c | 82 |
1 files changed, 76 insertions, 6 deletions
diff --git a/mesalib/src/mesa/main/api_validate.c b/mesalib/src/mesa/main/api_validate.c index 02495a15a..631bceecf 100644 --- a/mesalib/src/mesa/main/api_validate.c +++ b/mesalib/src/mesa/main/api_validate.c @@ -272,7 +272,7 @@ _mesa_validate_DrawElements(struct gl_context *ctx, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -318,6 +318,76 @@ _mesa_validate_DrawElements(struct gl_context *ctx, /** + * Error checking for glMultiDrawElements(). Includes parameter checking + * and VBO bounds checking. + * \return GL_TRUE if OK to render, GL_FALSE if error found + */ +GLboolean +_mesa_validate_MultiDrawElements(struct gl_context *ctx, + GLenum mode, const GLsizei *count, + GLenum type, const GLvoid * const *indices, + GLuint primcount, const GLint *basevertex) +{ + unsigned i; + + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); + + for (i = 0; i < primcount; i++) { + if (count[i] <= 0) { + if (count[i] < 0) + _mesa_error(ctx, GL_INVALID_VALUE, + "glMultiDrawElements(count)" ); + return GL_FALSE; + } + } + + if (!_mesa_valid_prim_mode(ctx, mode, "glMultiDrawElements")) { + return GL_FALSE; + } + + if (type != GL_UNSIGNED_INT && + type != GL_UNSIGNED_BYTE && + type != GL_UNSIGNED_SHORT) + { + _mesa_error(ctx, GL_INVALID_ENUM, "glMultiDrawElements(type)" ); + return GL_FALSE; + } + + if (!check_valid_to_render(ctx, "glMultiDrawElements")) + return GL_FALSE; + + /* Vertex buffer object tests */ + if (_mesa_is_bufferobj(ctx->Array.ArrayObj->ElementArrayBufferObj)) { + /* use indices in the buffer object */ + /* make sure count doesn't go outside buffer bounds */ + for (i = 0; i < primcount; i++) { + if (index_bytes(type, count[i]) > + ctx->Array.ArrayObj->ElementArrayBufferObj->Size) { + _mesa_warning(ctx, + "glMultiDrawElements index out of buffer bounds"); + return GL_FALSE; + } + } + } + else { + /* not using a VBO */ + for (i = 0; i < primcount; i++) { + if (!indices[i]) + return GL_FALSE; + } + } + + for (i = 0; i < primcount; i++) { + if (!check_index_bounds(ctx, count[i], type, indices[i], + basevertex ? basevertex[i] : 0)) + return GL_FALSE; + } + + return GL_TRUE; +} + + +/** * Error checking for glDrawRangeElements(). Includes parameter checking * and VBO bounds checking. * \return GL_TRUE if OK to render, GL_FALSE if error found @@ -328,7 +398,7 @@ _mesa_validate_DrawRangeElements(struct gl_context *ctx, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -386,7 +456,7 @@ GLboolean _mesa_validate_DrawArrays(struct gl_context *ctx, GLenum mode, GLint start, GLsizei count) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -414,7 +484,7 @@ GLboolean _mesa_validate_DrawArraysInstanced(struct gl_context *ctx, GLenum mode, GLint first, GLsizei count, GLsizei numInstances) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -458,7 +528,7 @@ _mesa_validate_DrawElementsInstanced(struct gl_context *ctx, const GLvoid *indices, GLsizei numInstances, GLint basevertex) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -519,7 +589,7 @@ _mesa_validate_DrawTransformFeedback(struct gl_context *ctx, GLenum mode, struct gl_transform_feedback_object *obj) { - ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, GL_FALSE); if (!_mesa_valid_prim_mode(ctx, mode, "glDrawTransformFeedback")) { return GL_FALSE; |