From fb3b9060d48934ca4faa72e966c00aee627ce96d Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Mon, 16 Jul 2007 18:09:30 +0200 Subject: [PATCH] fix segfault with i915 drivers in swrast drawpixels path when resizing windows --- src/mesa/drivers/dri/i915/intel_pixel.c | 6 ++++++ src/mesa/drivers/dri/i915tex/intel_pixel_draw.c | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/src/mesa/drivers/dri/i915/intel_pixel.c b/src/mesa/drivers/dri/i915/intel_pixel.c index d175870a0c5..c3030d42b04 100644 --- a/src/mesa/drivers/dri/i915/intel_pixel.c +++ b/src/mesa/drivers/dri/i915/intel_pixel.c @@ -450,10 +450,16 @@ intelDrawPixels( GLcontext *ctx, * wise happily run the fragment program on each pixel in the image). */ struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current; + /* can't just set current frag prog to 0 here as on buffer resize + we'll get new state checks which will segfault. Remains a hack. */ ctx->FragmentProgram._Current = NULL; + ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE; + ctx->FragmentProgram._Active = GL_FALSE; _swrast_DrawPixels( ctx, x, y, width, height, format, type, unpack, pixels ); ctx->FragmentProgram._Current = fpSave; + ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; + ctx->FragmentProgram._Active = GL_TRUE; } else { _swrast_DrawPixels( ctx, x, y, width, height, format, type, diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c b/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c index 77c67c821eb..e4e57cb3a7e 100644 --- a/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/i915tex/intel_pixel_draw.c @@ -370,10 +370,16 @@ intelDrawPixels(GLcontext * ctx, * wise happily run the fragment program on each pixel in the image). */ struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current; + /* can't just set current frag prog to 0 here as on buffer resize + we'll get new state checks which will segfault. Remains a hack. */ ctx->FragmentProgram._Current = NULL; + ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE; + ctx->FragmentProgram._Active = GL_FALSE; _swrast_DrawPixels( ctx, x, y, width, height, format, type, unpack, pixels ); ctx->FragmentProgram._Current = fpSave; + ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; + ctx->FragmentProgram._Active = GL_TRUE; } else { _swrast_DrawPixels( ctx, x, y, width, height, format, type, -- 2.30.2