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st/mesa: set the MaxVarying GLSL constant

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This commit is contained in:
Marek Olšák
2010-08-25 05:25:41 +02:00
parent 77dac1945f
commit 007bac8331
1 changed files with 7 additions and 0 deletions
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7
src/mesa/state_tracker/st_extensions.c
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@@ -161,6 +161,13 @@ void st_init_limits(struct st_context *st)
pc->MaxNativeTemps = screen->get_param(screen, PIPE_CAP_MAX_VS_TEMPS);
pc->MaxNativeAddressRegs = screen->get_param(screen, PIPE_CAP_MAX_VS_ADDRS);
pc->MaxNativeParameters = screen->get_param(screen, PIPE_CAP_MAX_VS_CONSTS);
/* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs
* and is set in MaxNativeAttribs. It's always 2 colors + N generic
* attributes. The GLSL compiler never uses COLORn for varyings, so we
* subtract the 2 colors to get the maximum number of varyings (generic
* attributes) supported by a driver. */
c->MaxVarying = screen->get_param(screen, PIPE_CAP_MAX_FS_INPUTS) - 2;
}