#ifndef SHADER_ENUMS_H
#define SHADER_ENUMS_H
+#include <stdbool.h>
+
#ifdef __cplusplus
extern "C" {
#endif
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.
*/
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.
*/
/*@{*/
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,
/*@}*/
/**
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 */
/*@}*/
/**
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_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;
/**
* \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),
};
/**
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,
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