Iago Toral

Ourense (Spain)

Iago has been a member of Igalia since 2003 and became a partner of the company in 2006.

Latest Updates

Iago Toral 08/07/2015

Implementing ARB_shader_storage_buffer

In my previous post I introduced ARB_shader_storage_buffer, an OpenGL 4.3 feature that is coming soon to Mesa and the Intel i965 driver. While that post focused on explaining the features introduced by the extension, in this post I’ll dive into some...

Iago Toral 20/05/2015

Bringing ARB_shader_storage_buffer_object to Mesa and i965

In the last weeks I have been working together with my colleague Samuel on bringing support for ARB_shader_storage_buffer_object, an OpenGL 4.3 feature, to Mesa and the Intel i965 driver, so I figured I would write a bit on what this brings to OpenGL/GLSL...

Iago Toral 27/04/2015

Free access to Valve-produced games on Steam for Mesa contributors

Just like they did for Debian developers before, it is Valve’s way of saying thanks and giving something back to the community. This is great news for all Mesa contributors, now we can play some great Valve games for free and we can also have an...

Iago Toral 06/03/2015

An introduction to Mesa’s GLSL compiler (II)

Recap My previous post served as an initial look into Mesa’s GLSL compiler, where we discussed the Mesa IR, which is a core aspect of the compiler. In this post I’ll introduce another relevant aspect: IR lowering. IR lowering There are...

Iago Toral 03/03/2015

An introduction to Mesa’s GLSL compiler (I)

Recap In my last post I explained that modern 3D pipelines are programmable and how this has impacted graphics drivers. In the following posts we will go deeper into this aspect by looking at different parts of Mesa’s GLSL compiler. Specifically,...


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glsl: fix emit_inline_matrix_constructor for doubles

Specifically, for the case where we initialize a dmat with a source matrix that has fewer columns/rows. Reviewed-by: Kenneth Graunke

Iago Toral19/02/2016

Revert "nir/copy_propagate: do not copy-propagate MOV srcs with source modifiers"

The change proposed in the review leads to piglit regressions because is_move() is used in other places and relies on the checks for source modifiers to be there. Revert this until we agree on a better solution.

Iago Toral13/11/2015