From 7942e6a5ae0113f1cbdf62b772849cf6cdd4eca1 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 20 Feb 2011 16:50:48 +0100 Subject: [PATCH] st/mesa: fix crash when DrawBuffer->_ColorDrawBuffers[0] is NULL This fixes the game Tiny and Big. --- src/mesa/state_tracker/st_cb_clear.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index d81e554..0e0c432 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -300,9 +300,11 @@ clear_with_quad(struct gl_context *ctx, cso_set_fragment_shader_handle(st->cso_context, st->clear.fs); cso_set_vertex_shader_handle(st->cso_context, st->clear.vs); - st_translate_color(ctx->Color.ClearColor, - ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat, - clearColor); + if (ctx->DrawBuffer->_ColorDrawBuffers[0]) { + st_translate_color(ctx->Color.ClearColor, + ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat, + clearColor); + } /* draw quad matching scissor rect */ draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, clearColor); @@ -555,9 +557,11 @@ st_Clear(struct gl_context *ctx, GLbitfield mask) ctx->DrawBuffer->Visual.stencilBits == 0)) clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL; - st_translate_color(ctx->Color.ClearColor, - ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat, - clearColor); + if (ctx->DrawBuffer->_ColorDrawBuffers[0]) { + st_translate_color(ctx->Color.ClearColor, + ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat, + clearColor); + } st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor, ctx->Depth.Clear, ctx->Stencil.Clear); -- 2.7.4