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gallium: add new properties for clip and cull distance usage

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The TGSI usage mask can't be used, because these are declared as an output
array of 2 elements.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák
2015-10-17 23:15:28 +02:00
parent 67f489ded3
commit e70c66197e
3 changed files with 15 additions and 1 deletions
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2
src/gallium/auxiliary/tgsi/tgsi_strings.c
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@@ -137,6 +137,8 @@ const char *tgsi_property_names[TGSI_PROPERTY_COUNT] =
"TES_SPACING", "TES_SPACING",
"TES_VERTEX_ORDER_CW", "TES_VERTEX_ORDER_CW",
"TES_POINT_MODE", "TES_POINT_MODE",
"NUM_CLIPDIST_ENABLED",
"NUM_CULLDIST_ENABLED",
}; };
const char *tgsi_return_type_names[TGSI_RETURN_TYPE_COUNT] = const char *tgsi_return_type_names[TGSI_RETURN_TYPE_COUNT] =

10
src/gallium/docs/source/tgsi.rst
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@@ -3126,6 +3126,16 @@ TES_POINT_MODE
If set to a non-zero value, this turns on point mode for the tessellator, If set to a non-zero value, this turns on point mode for the tessellator,
which means that points will be generated instead of primitives. which means that points will be generated instead of primitives.
NUM_CLIPDIST_ENABLED
""""""""""""""""
How many clip distance scalar outputs are enabled.
NUM_CULLDIST_ENABLED
""""""""""""""""
How many cull distance scalar outputs are enabled.
Texture Sampling and Texture Formats Texture Sampling and Texture Formats
------------------------------------ ------------------------------------

4
src/gallium/include/pipe/p_shader_tokens.h
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@@ -267,7 +267,9 @@ union tgsi_immediate_data
#define TGSI_PROPERTY_TES_SPACING 12 #define TGSI_PROPERTY_TES_SPACING 12
#define TGSI_PROPERTY_TES_VERTEX_ORDER_CW 13 #define TGSI_PROPERTY_TES_VERTEX_ORDER_CW 13
#define TGSI_PROPERTY_TES_POINT_MODE 14 #define TGSI_PROPERTY_TES_POINT_MODE 14
#define TGSI_PROPERTY_COUNT 15 #define TGSI_PROPERTY_NUM_CLIPDIST_ENABLED 15
#define TGSI_PROPERTY_NUM_CULLDIST_ENABLED 16
#define TGSI_PROPERTY_COUNT 17
struct tgsi_property { struct tgsi_property {
unsigned Type : 4; /**< TGSI_TOKEN_TYPE_PROPERTY */ unsigned Type : 4; /**< TGSI_TOKEN_TYPE_PROPERTY */