X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Fshader_enums.h;h=0f402f427413e0e50b8dfd53328f3be5bec94b56;hb=272f9cfe6a19212354c89dc443959473ac5d398e;hp=fb78ad384cbc790da1123b951445919d22bc6721;hpb=186f03cfb021223f0a6f238da036517fbf240d26;p=mesa.git

diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index fb78ad384cb..0f402f42741 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -26,6 +26,9 @@
 #ifndef SHADER_ENUMS_H
 #define SHADER_ENUMS_H
 
+#include <stdbool.h>
+#include "mesa/main/config.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -46,8 +49,24 @@ typedef enum
    MESA_SHADER_GEOMETRY = 3,
    MESA_SHADER_FRAGMENT = 4,
    MESA_SHADER_COMPUTE = 5,
+   /* must be last so it doesn't affect the GL pipeline */
+   MESA_SHADER_KERNEL = 6,
 } gl_shader_stage;
 
+static inline bool
+gl_shader_stage_is_compute(gl_shader_stage stage)
+{
+   return stage == MESA_SHADER_COMPUTE || stage == MESA_SHADER_KERNEL;
+}
+
+/**
+ * Number of STATE_* values we need to address any GL state.
+ * Used to dimension arrays.
+ */
+#define STATE_LENGTH 5
+
+typedef short gl_state_index16; /* see enum gl_state_index */
+
 const char *gl_shader_stage_name(gl_shader_stage stage);
 
 /**
@@ -62,8 +81,16 @@ const char *_mesa_shader_stage_to_string(unsigned stage);
  */
 const char *_mesa_shader_stage_to_abbrev(unsigned stage);
 
+/**
+ * GL related stages (not including CL)
+ */
 #define MESA_SHADER_STAGES (MESA_SHADER_COMPUTE + 1)
 
+/**
+ * All stages
+ */
+#define MESA_ALL_SHADER_STAGES (MESA_SHADER_KERNEL + 1)
+
 
 /**
  * Indexes for vertex program attributes.
@@ -389,6 +416,14 @@ typedef enum
    SYSTEM_VALUE_SUBGROUP_LT_MASK,
    /*@}*/
 
+   /**
+    * Builtin variables added by VK_KHR_subgroups
+    */
+   /*@{*/
+   SYSTEM_VALUE_NUM_SUBGROUPS,
+   SYSTEM_VALUE_SUBGROUP_ID,
+   /*@}*/
+
    /*@}*/
 
    /**
@@ -487,6 +522,27 @@ typedef enum
     */
    SYSTEM_VALUE_BASE_VERTEX,
 
+   /**
+    * Depending on the type of the draw call (indexed or non-indexed),
+    * is the value of \c basevertex passed to \c glDrawElementsBaseVertex and
+    * similar, or is the value of \c first passed to \c glDrawArrays and
+    * similar.
+    *
+    * \note
+    * It can be used to calculate the \c SYSTEM_VALUE_VERTEX_ID as
+    * \c SYSTEM_VALUE_VERTEX_ID_ZERO_BASE plus \c SYSTEM_VALUE_FIRST_VERTEX.
+    *
+    * \sa SYSTEM_VALUE_VERTEX_ID_ZERO_BASE, SYSTEM_VALUE_VERTEX_ID
+    */
+   SYSTEM_VALUE_FIRST_VERTEX,
+
+   /**
+    * If the Draw command used to start the rendering was an indexed draw
+    * or not (~0/0). Useful to calculate \c SYSTEM_VALUE_BASE_VERTEX as
+    * \c SYSTEM_VALUE_IS_INDEXED_DRAW & \c SYSTEM_VALUE_FIRST_VERTEX.
+    */
+   SYSTEM_VALUE_IS_INDEXED_DRAW,
+
    /**
     * Value of \c baseinstance passed to instanced draw entry points
     *
@@ -520,11 +576,14 @@ typedef enum
     */
    /*@{*/
    SYSTEM_VALUE_FRAG_COORD,
+   SYSTEM_VALUE_POINT_COORD,
    SYSTEM_VALUE_FRONT_FACE,
    SYSTEM_VALUE_SAMPLE_ID,
    SYSTEM_VALUE_SAMPLE_POS,
    SYSTEM_VALUE_SAMPLE_MASK_IN,
    SYSTEM_VALUE_HELPER_INVOCATION,
+   SYSTEM_VALUE_COLOR0,
+   SYSTEM_VALUE_COLOR1,
    /*@}*/
 
    /**
@@ -536,6 +595,8 @@ typedef enum
    SYSTEM_VALUE_PRIMITIVE_ID,
    SYSTEM_VALUE_TESS_LEVEL_OUTER, /**< TES input */
    SYSTEM_VALUE_TESS_LEVEL_INNER, /**< TES input */
+   SYSTEM_VALUE_TESS_LEVEL_OUTER_DEFAULT, /**< TCS input for passthru TCS */
+   SYSTEM_VALUE_TESS_LEVEL_INNER_DEFAULT, /**< TCS input for passthru TCS */
    /*@}*/
 
    /**
@@ -545,11 +606,18 @@ typedef enum
    SYSTEM_VALUE_LOCAL_INVOCATION_ID,
    SYSTEM_VALUE_LOCAL_INVOCATION_INDEX,
    SYSTEM_VALUE_GLOBAL_INVOCATION_ID,
+   SYSTEM_VALUE_GLOBAL_INVOCATION_INDEX,
    SYSTEM_VALUE_WORK_GROUP_ID,
    SYSTEM_VALUE_NUM_WORK_GROUPS,
    SYSTEM_VALUE_LOCAL_GROUP_SIZE,
+   SYSTEM_VALUE_GLOBAL_GROUP_SIZE,
+   SYSTEM_VALUE_WORK_DIM,
+   SYSTEM_VALUE_USER_DATA_AMD,
    /*@}*/
 
+   /** Required for VK_KHR_device_group */
+   SYSTEM_VALUE_DEVICE_INDEX,
+
    /** Required for VK_KHX_multiview */
    SYSTEM_VALUE_VIEW_INDEX,
 
@@ -559,6 +627,18 @@ typedef enum
     */
    SYSTEM_VALUE_VERTEX_CNT,
 
+   /**
+    * Driver internal varying-coords, used for varying-fetch instructions.
+    * Not externally visible.
+    *
+    * The _SIZE value is "primitive size", used to scale i/j in primitive
+    * space to pixel space.
+    */
+   SYSTEM_VALUE_BARYCENTRIC_PIXEL,
+   SYSTEM_VALUE_BARYCENTRIC_SAMPLE,
+   SYSTEM_VALUE_BARYCENTRIC_CENTROID,
+   SYSTEM_VALUE_BARYCENTRIC_SIZE,
+
    SYSTEM_VALUE_MAX             /**< Number of values */
 } gl_system_value;
 
@@ -642,11 +722,27 @@ enum gl_frag_depth_layout
 /**
  * \brief Buffer access qualifiers
  */
-enum gl_buffer_access_qualifier
+enum gl_access_qualifier
 {
-   ACCESS_COHERENT = 1,
-   ACCESS_RESTRICT = 2,
-   ACCESS_VOLATILE = 4,
+   ACCESS_COHERENT      = (1 << 0),
+   ACCESS_RESTRICT      = (1 << 1),
+   ACCESS_VOLATILE      = (1 << 2),
+   ACCESS_NON_READABLE  = (1 << 3),
+   ACCESS_NON_WRITEABLE = (1 << 4),
+
+   /** The access may use a non-uniform buffer or image index */
+   ACCESS_NON_UNIFORM   = (1 << 5),
+
+   /* This has the same semantics as NIR_INTRINSIC_CAN_REORDER, only to be
+    * used with loads. In other words, it means that the load can be
+    * arbitrarily reordered, or combined with other loads to the same address.
+    * It is implied by ACCESS_NON_WRITEABLE together with ACCESS_RESTRICT, and
+    * a lack of ACCESS_COHERENT and ACCESS_VOLATILE.
+    */
+   ACCESS_CAN_REORDER = (1 << 6),
+
+   /** Use as little cache space as possible. */
+   ACCESS_STREAM_CACHE_POLICY = (1 << 7),
 };
 
 /**
@@ -675,6 +771,27 @@ enum gl_advanced_blend_mode
    BLEND_ALL            = 0x7fff,
 };
 
+enum blend_func
+{
+   BLEND_FUNC_ADD,
+   BLEND_FUNC_SUBTRACT,
+   BLEND_FUNC_REVERSE_SUBTRACT,
+   BLEND_FUNC_MIN,
+   BLEND_FUNC_MAX,
+};
+
+enum blend_factor
+{
+   BLEND_FACTOR_ZERO,
+   BLEND_FACTOR_SRC_COLOR,
+   BLEND_FACTOR_DST_COLOR,
+   BLEND_FACTOR_SRC_ALPHA,
+   BLEND_FACTOR_DST_ALPHA,
+   BLEND_FACTOR_CONSTANT_COLOR,
+   BLEND_FACTOR_CONSTANT_ALPHA,
+   BLEND_FACTOR_SRC_ALPHA_SATURATE,
+};
+
 enum gl_tess_spacing
 {
    TESS_SPACING_UNSPECIFIED,
@@ -700,6 +817,47 @@ enum compare_func
    COMPARE_FUNC_ALWAYS,
 };
 
+/**
+ * Arrangements for grouping invocations from NV_compute_shader_derivatives.
+ *
+ *   The extension provides new layout qualifiers that support two different
+ *   arrangements of compute shader invocations for the purpose of derivative
+ *   computation.  When specifying
+ *
+ *     layout(derivative_group_quadsNV) in;
+ *
+ *   compute shader invocations are grouped into 2x2x1 arrays whose four local
+ *   invocation ID values follow the pattern:
+ *
+ *       +-----------------+------------------+
+ *       | (2x+0, 2y+0, z) |  (2x+1, 2y+0, z) |
+ *       +-----------------+------------------+
+ *       | (2x+0, 2y+1, z) |  (2x+1, 2y+1, z) |
+ *       +-----------------+------------------+
+ *
+ *   where Y increases from bottom to top.  When specifying
+ *
+ *     layout(derivative_group_linearNV) in;
+ *
+ *   compute shader invocations are grouped into 2x2x1 arrays whose four local
+ *   invocation index values follow the pattern:
+ *
+ *       +------+------+
+ *       | 4n+0 | 4n+1 |
+ *       +------+------+
+ *       | 4n+2 | 4n+3 |
+ *       +------+------+
+ *
+ *   If neither layout qualifier is specified, derivatives in compute shaders
+ *   return zero, which is consistent with the handling of built-in texture
+ *   functions like texture() in GLSL 4.50 compute shaders.
+ */
+enum gl_derivative_group {
+   DERIVATIVE_GROUP_NONE = 0,
+   DERIVATIVE_GROUP_QUADS,
+   DERIVATIVE_GROUP_LINEAR,
+};
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif