Commit 8c6a0eba authored by Dave Airlie's avatar Dave Airlie

st/mesa: add st fp64 support (v7.1)

This adds support to the state tracker for

The details are explained in comments
within the code.

v2 : add double to int/unsigned conversion
v3: handle fp64 consts better
v4: use DRSQ
v4.1: add d2b
v4.2: drop DDIV

v5: split out some prep patches.
v5.1: add some comments.
v5.2: more comments

v6: simplify down the double instruction
    generation loop.

v7: Merge Ilia's two cleanup patches.
v7.1: minor fixups for Ilia patch + cleanups
Reviewed-by: Ilia Mirkin's avatarIlia Mirkin <>
Signed-off-by: default avatarDave Airlie <>
parent 0178358a
......@@ -900,4 +900,10 @@ void st_init_extensions(struct pipe_screen *screen,
extensions->NV_vdpau_interop = GL_TRUE;
if (screen->get_shader_param(screen, PIPE_SHADER_VERTEX,
screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
extensions->ARB_gpu_shader_fp64 = GL_TRUE;
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