diff options
Diffstat (limited to 'src/mesa/main/api_validate.c')
| -rw-r--r-- | src/mesa/main/api_validate.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c index 98dfbb105f..5c8955d7c8 100644 --- a/src/mesa/main/api_validate.c +++ b/src/mesa/main/api_validate.c @@ -78,6 +78,23 @@ max_buffer_index(GLcontext *ctx, GLuint count, GLenum type, return max; } +static GLboolean +check_valid_to_render(GLcontext *ctx, char *function) +{ + if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { + _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, + "glDraw%s(incomplete framebuffer)", function); + return GL_FALSE; + } + + /* Always need vertex positions, unless a vertex program is in use */ + if (!ctx->VertexProgram._Current && + !ctx->Array.ArrayObj->Vertex.Enabled && + !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + return GL_FALSE; + + return GL_TRUE; +} GLboolean _mesa_validate_DrawElements(GLcontext *ctx, @@ -108,10 +125,7 @@ _mesa_validate_DrawElements(GLcontext *ctx, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "Elements")) return GL_FALSE; /* Vertex buffer object tests */ @@ -119,6 +133,12 @@ _mesa_validate_DrawElements(GLcontext *ctx, /* use indices in the buffer object */ GLuint indexBytes; + if (!ctx->Array.ElementArrayBufferObj->Size) { + _mesa_warning(ctx, + "glDrawElements called with empty array elements buffer"); + return GL_FALSE; + } + if (type == GL_UNSIGNED_INT) { indexBytes = count * sizeof(GLuint); } @@ -155,7 +175,6 @@ _mesa_validate_DrawElements(GLcontext *ctx, return GL_TRUE; } - GLboolean _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, GLuint start, GLuint end, @@ -190,10 +209,7 @@ _mesa_validate_DrawRangeElements(GLcontext *ctx, GLenum mode, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "RangeElements")) return GL_FALSE; /* Vertex buffer object tests */ @@ -261,10 +277,7 @@ _mesa_validate_DrawArrays(GLcontext *ctx, if (ctx->NewState) _mesa_update_state(ctx); - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && - !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) + if (!check_valid_to_render(ctx, "Arrays")) return GL_FALSE; if (ctx->Const.CheckArrayBounds) { |