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i965: set ctx->Const.MaxViewport{Width,Height} to 32k

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From ARB_viewport_array spec:

" * On GL3-capable hardware the VIEWPORT_BOUNDS_RANGE should be at least
    [-16384, 16383].
  * On GL4-capable hardware the VIEWPORT_BOUNDS_RANGE should be at least
    [-32768, 32767]."

This range is set using ctx->Const.MaxViewportWidth value, so just bump
those constants to 32k for gen7+ which can support OpenGL 4.0.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Samuel Iglesias Gonsálvez 2016-02-26 08:27:48 +01:00
parent add57b3fa8
commit e8fd60e789
1 changed files with 5 additions and 0 deletions
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5
src/mesa/drivers/dri/i965/brw_context.c
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@ -682,6 +682,11 @@ brw_initialize_context_constants(struct brw_context *brw)
brw->intelScreen->compiler->glsl_compiler_options[i];
}
if (brw->gen >= 7) {
ctx->Const.MaxViewportWidth = 32768;
ctx->Const.MaxViewportHeight = 32768;
}
/* ARB_viewport_array */
if (brw->gen >= 6 && ctx->API == API_OPENGL_CORE) {
ctx->Const.MaxViewports = GEN6_NUM_VIEWPORTS;