diff options
| author | Ian Romanick <[email protected]> | 2017-05-24 16:36:28 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2017-05-31 21:14:44 -0700 |
| commit | 2dcec62075d8da8b7d8741df75b09907e1eea460 (patch) | |
| tree | 57a804ae65c3f9a2ce1d1815a5d86b7f388f0355 /src/mesa | |
| parent | f42fb0012a04576884f7dcf227df640ed60d9655 (diff) | |
r100: Don't assume that the base mipmap of a texture exists
Fixes crashes in piglit's gl-1.2-texture-base-level.
Signed-off-by: Ian Romanick <[email protected]>
Cc: [email protected]
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_texstate.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_texstate.c b/src/mesa/drivers/dri/radeon/radeon_texstate.c index 35b1538d9e1..5cabba1227f 100644 --- a/src/mesa/drivers/dri/radeon/radeon_texstate.c +++ b/src/mesa/drivers/dri/radeon/radeon_texstate.c @@ -199,6 +199,12 @@ do { \ * Texture unit state management */ +static GLenum +texture_base_format(const struct gl_texture_object *t) +{ + return t->Image[0][t->BaseLevel]->_BaseFormat; +} + static GLboolean radeonUpdateTextureEnv( struct gl_context *ctx, int unit ) { r100ContextPtr rmesa = R100_CONTEXT(ctx); @@ -251,7 +257,7 @@ static GLboolean radeonUpdateTextureEnv( struct gl_context *ctx, int unit ) assert(op <= 3); switch ( srcRGBi ) { case GL_TEXTURE: - if (texUnit->_Current->Image[0][0]->_BaseFormat == GL_ALPHA) + if (texture_base_format(texUnit->_Current) == GL_ALPHA) color_arg[i] = radeon_zero_color[op]; else color_arg[i] = radeon_texture_color[op][unit]; @@ -275,7 +281,7 @@ static GLboolean radeonUpdateTextureEnv( struct gl_context *ctx, int unit ) case GL_TEXTURE1: case GL_TEXTURE2: { GLuint txunit = srcRGBi - GL_TEXTURE0; - if (ctx->Texture.Unit[txunit]._Current->Image[0][0]->_BaseFormat == GL_ALPHA) + if (texture_base_format(ctx->Texture.Unit[txunit]._Current) == GL_ALPHA) color_arg[i] = radeon_zero_color[op]; else /* implement ogl 1.4/1.5 core spec here, not specification of @@ -296,7 +302,7 @@ static GLboolean radeonUpdateTextureEnv( struct gl_context *ctx, int unit ) assert(op <= 1); switch ( srcAi ) { case GL_TEXTURE: - if (texUnit->_Current->Image[0][0]->_BaseFormat == GL_LUMINANCE) + if (texture_base_format(texUnit->_Current) == GL_LUMINANCE) alpha_arg[i] = radeon_zero_alpha[op+1]; else alpha_arg[i] = radeon_texture_alpha[op][unit]; @@ -320,7 +326,7 @@ static GLboolean radeonUpdateTextureEnv( struct gl_context *ctx, int unit ) case GL_TEXTURE1: case GL_TEXTURE2: { GLuint txunit = srcAi - GL_TEXTURE0; - if (ctx->Texture.Unit[txunit]._Current->Image[0][0]->_BaseFormat == GL_LUMINANCE) + if (texture_base_format(ctx->Texture.Unit[txunit]._Current) == GL_LUMINANCE) alpha_arg[i] = radeon_zero_alpha[op+1]; else alpha_arg[i] = radeon_texture_alpha[op][txunit]; |