diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index 0bdf58202f0..37e75ba0616 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -129,7 +129,7 @@ static const float * get_shader_constant( struct rc_constant * constant, struct r300_constant_buffer * externals) { - static float vec[4] = { 0.0, 0.0, 0.0, 0.0 }; + static float vec[4] = { 0.0, 0.0, 0.0, 1.0 }; struct pipe_texture *tex; switch(constant->Type) { @@ -140,26 +140,30 @@ static const float * get_shader_constant( return constant->u.Immediate; case RC_CONSTANT_STATE: - switch (constant->u.State[0]) - { - /* R3xx-specific */ + switch (constant->u.State[0]) { + /* Factor for converting rectangle coords to + * normalized coords. Should only show up on non-r500. */ case RC_STATE_R300_TEXRECT_FACTOR: tex = &r300->textures[constant->u.State[1]]->tex; vec[0] = 1.0 / tex->width[0]; vec[1] = 1.0 / tex->height[0]; - vec[2] = vec[3] = 1; break; default: - assert(0); + debug_printf("r300: Implementation error: " + "Unknown RC_CONSTANT type %d\n", constant->u.State[0]); } - return vec; + break; default: - debug_printf("r300: Implementation error: Unhandled constant type %i\n", - constant->Type); - return vec; + debug_printf("r300: Implementation error: " + "Unhandled constant type %d\n", constant->Type); } + + /* This should either be (0, 0, 0, 1), which should be a relatively safe + * RGBA or STRQ value, or it could be one of the RC_CONSTANT_STATE + * state factors. */ + return vec; } /* Convert a normal single-precision float into the 7.16 format |