diff options
| -rw-r--r-- | src/mesa/main/api_validate.c | 107 | ||||
| -rw-r--r-- | src/mesa/main/api_validate.h | 10 |
2 files changed, 116 insertions, 1 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c index 4fb7b5ad61f..f6da86d2961 100644 --- a/src/mesa/main/api_validate.c +++ b/src/mesa/main/api_validate.c @@ -175,7 +175,7 @@ _mesa_validate_DrawElements(GLcontext *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_WITH_RETVAL(ctx, GL_FALSE); if (count <= 0) { if (count < 0) @@ -314,3 +314,108 @@ _mesa_validate_DrawArrays(GLcontext *ctx, return GL_TRUE; } + + +GLboolean +_mesa_validate_DrawArraysInstanced(GLcontext *ctx, GLenum mode, GLint first, + GLsizei count, GLsizei primcount) +{ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (count <= 0) { + if (count < 0) + _mesa_error(ctx, GL_INVALID_VALUE, + "glDrawArraysInstanced(count=%d)", count); + return GL_FALSE; + } + + if (mode > GL_POLYGON) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glDrawArraysInstanced(mode=0x%x)", mode); + return GL_FALSE; + } + + if (primcount <= 0) { + if (primcount < 0) + _mesa_error(ctx, GL_INVALID_VALUE, + "glDrawArraysInstanced(primcount=%d)", primcount); + return GL_FALSE; + } + + if (!check_valid_to_render(ctx, "glDrawArraysInstanced(invalid to render)")) + return GL_FALSE; + + if (ctx->CompileFlag) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glDrawArraysInstanced(display list"); + return GL_FALSE; + } + + if (ctx->Const.CheckArrayBounds) { + if (first + count > (GLint) ctx->Array.ArrayObj->_MaxElement) + return GL_FALSE; + } + + return GL_TRUE; +} + + +GLboolean +_mesa_validate_DrawElementsInstanced(GLcontext *ctx, + GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices, GLsizei primcount) +{ + ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + + if (count <= 0) { + if (count < 0) + _mesa_error(ctx, GL_INVALID_VALUE, + "glDrawElementsInstanced(count=%d)", count); + return GL_FALSE; + } + + if (mode > GL_POLYGON) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glDrawElementsInstanced(mode = 0x%x)", mode); + return GL_FALSE; + } + + if (type != GL_UNSIGNED_INT && + type != GL_UNSIGNED_BYTE && + type != GL_UNSIGNED_SHORT) { + _mesa_error(ctx, GL_INVALID_ENUM, + "glDrawElementsInstanced(type=0x%x)", type); + return GL_FALSE; + } + + if (primcount <= 0) { + if (primcount < 0) + _mesa_error(ctx, GL_INVALID_VALUE, + "glDrawElementsInstanced(primcount=%d)", primcount); + return GL_FALSE; + } + + if (!check_valid_to_render(ctx, "glDrawElementsInstanced")) + return GL_FALSE; + + /* Vertex buffer object tests */ + if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj)) { + /* use indices in the buffer object */ + /* make sure count doesn't go outside buffer bounds */ + if (index_bytes(type, count) > ctx->Array.ElementArrayBufferObj->Size) { + _mesa_warning(ctx, + "glDrawElementsInstanced index out of buffer bounds"); + return GL_FALSE; + } + } + else { + /* not using a VBO */ + if (!indices) + return GL_FALSE; + } + + if (!check_index_bounds(ctx, count, type, indices, 0)) + return GL_FALSE; + + return GL_TRUE; +} diff --git a/src/mesa/main/api_validate.h b/src/mesa/main/api_validate.h index 6064d15fe6c..cd27d58aa7d 100644 --- a/src/mesa/main/api_validate.h +++ b/src/mesa/main/api_validate.h @@ -52,4 +52,14 @@ _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, const GLvoid *indices, GLint basevertex); +extern GLboolean +_mesa_validate_DrawArraysInstanced(GLcontext *ctx, GLenum mode, GLint first, + GLsizei count, GLsizei primcount); + +extern GLboolean +_mesa_validate_DrawElementsInstanced(GLcontext *ctx, + GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices, GLsizei primcount); + + #endif |