--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PIPELINE_H
+#define PIPELINE_H
+
+/**
+ * Bitflags for system values.
+ */
+#define SYSTEM_BIT_SAMPLE_ID ((uint64_t)1 << SYSTEM_VALUE_SAMPLE_ID)
+#define SYSTEM_BIT_SAMPLE_POS ((uint64_t)1 << SYSTEM_VALUE_SAMPLE_POS)
+#define SYSTEM_BIT_SAMPLE_MASK_IN ((uint64_t)1 << SYSTEM_VALUE_SAMPLE_MASK_IN)
+/**
+ * If the gl_register_file is PROGRAM_SYSTEM_VALUE, the register index will be
+ * one of these values. If a NIR variable's mode is nir_var_system_value, it
+ * will be one of these values.
+ */
+typedef enum
+{
+ /**
+ * \name Vertex shader system values
+ */
+ /*@{*/
+ /**
+ * OpenGL-style vertex ID.
+ *
+ * Section 2.11.7 (Shader Execution), subsection Shader Inputs, of the
+ * OpenGL 3.3 core profile spec says:
+ *
+ * "gl_VertexID holds the integer index i implicitly passed by
+ * DrawArrays or one of the other drawing commands defined in section
+ * 2.8.3."
+ *
+ * Section 2.8.3 (Drawing Commands) of the same spec says:
+ *
+ * "The commands....are equivalent to the commands with the same base
+ * name (without the BaseVertex suffix), except that the ith element
+ * transferred by the corresponding draw call will be taken from
+ * element indices[i] + basevertex of each enabled array."
+ *
+ * Additionally, the overview in the GL_ARB_shader_draw_parameters spec
+ * says:
+ *
+ * "In unextended GL, vertex shaders have inputs named gl_VertexID and
+ * gl_InstanceID, which contain, respectively the index of the vertex
+ * and instance. The value of gl_VertexID is the implicitly passed
+ * index of the vertex being processed, which includes the value of
+ * baseVertex, for those commands that accept it."
+ *
+ * gl_VertexID gets basevertex added in. This differs from DirectX where
+ * SV_VertexID does \b not get basevertex added in.
+ *
+ * \note
+ * If all system values are available, \c SYSTEM_VALUE_VERTEX_ID will be
+ * equal to \c SYSTEM_VALUE_VERTEX_ID_ZERO_BASE plus
+ * \c SYSTEM_VALUE_BASE_VERTEX.
+ *
+ * \sa SYSTEM_VALUE_VERTEX_ID_ZERO_BASE, SYSTEM_VALUE_BASE_VERTEX
+ */
+ SYSTEM_VALUE_VERTEX_ID,
+
+ /**
+ * Instanced ID as supplied to gl_InstanceID
+ *
+ * Values assigned to gl_InstanceID always begin with zero, regardless of
+ * the value of baseinstance.
+ *
+ * Section 11.1.3.9 (Shader Inputs) of the OpenGL 4.4 core profile spec
+ * says:
+ *
+ * "gl_InstanceID holds the integer instance number of the current
+ * primitive in an instanced draw call (see section 10.5)."
+ *
+ * Through a big chain of pseudocode, section 10.5 describes that
+ * baseinstance is not counted by gl_InstanceID. In that section, notice
+ *
+ * "If an enabled vertex attribute array is instanced (it has a
+ * non-zero divisor as specified by VertexAttribDivisor), the element
+ * index that is transferred to the GL, for all vertices, is given by
+ *
+ * floor(instance/divisor) + baseinstance
+ *
+ * If an array corresponding to an attribute required by a vertex
+ * shader is not enabled, then the corresponding element is taken from
+ * the current attribute state (see section 10.2)."
+ *
+ * Note that baseinstance is \b not included in the value of instance.
+ */
+ SYSTEM_VALUE_INSTANCE_ID,
+
+ /**
+ * DirectX-style vertex ID.
+ *
+ * Unlike \c SYSTEM_VALUE_VERTEX_ID, this system value does \b not include
+ * the value of basevertex.
+ *
+ * \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_BASE_VERTEX
+ */
+ SYSTEM_VALUE_VERTEX_ID_ZERO_BASE,
+
+ /**
+ * Value of \c basevertex passed to \c glDrawElementsBaseVertex and similar
+ * functions.
+ *
+ * \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE
+ */
+ SYSTEM_VALUE_BASE_VERTEX,
+ /*@}*/
+
+ /**
+ * \name Geometry shader system values
+ */
+ /*@{*/
+ SYSTEM_VALUE_INVOCATION_ID,
+ /*@}*/
+
+ /**
+ * \name Fragment shader system values
+ */
+ /*@{*/
+ SYSTEM_VALUE_FRONT_FACE, /**< (not done yet) */
+ SYSTEM_VALUE_SAMPLE_ID,
+ SYSTEM_VALUE_SAMPLE_POS,
+ SYSTEM_VALUE_SAMPLE_MASK_IN,
+ /*@}*/
+
+ SYSTEM_VALUE_MAX /**< Number of values */
+} gl_system_value;
+
+
+/**
+ * The possible interpolation qualifiers that can be applied to a fragment
+ * shader input in GLSL.
+ *
+ * Note: INTERP_QUALIFIER_NONE must be 0 so that memsetting the
+ * gl_fragment_program data structure to 0 causes the default behavior.
+ */
+enum glsl_interp_qualifier
+{
+ INTERP_QUALIFIER_NONE = 0,
+ INTERP_QUALIFIER_SMOOTH,
+ INTERP_QUALIFIER_FLAT,
+ INTERP_QUALIFIER_NOPERSPECTIVE,
+ INTERP_QUALIFIER_COUNT /**< Number of interpolation qualifiers */
+};
+
+
+#endif /* PIPELINE_H */
#include "main/config.h"
#include "glapi/glapi.h"
#include "math/m_matrix.h" /* GLmatrix */
+#include "glsl/shader_enums.h"
#include "util/simple_list.h" /* struct simple_node */
#include "main/formats.h" /* MESA_FORMAT_COUNT */
#define VARYING_BIT_VAR(V) BITFIELD64_BIT(VARYING_SLOT_VAR0 + (V))
/*@}*/
-/**
- * Bitflags for system values.
- */
-#define SYSTEM_BIT_SAMPLE_ID BITFIELD64_BIT(SYSTEM_VALUE_SAMPLE_ID)
-#define SYSTEM_BIT_SAMPLE_POS BITFIELD64_BIT(SYSTEM_VALUE_SAMPLE_POS)
-#define SYSTEM_BIT_SAMPLE_MASK_IN BITFIELD64_BIT(SYSTEM_VALUE_SAMPLE_MASK_IN)
-
/**
* Determine if the given gl_varying_slot appears in the fragment shader.
*/
} gl_register_file;
-/**
- * If the register file is PROGRAM_SYSTEM_VALUE, the register index will be
- * one of these values.
- */
-typedef enum
-{
- /**
- * \name Vertex shader system values
- */
- /*@{*/
- /**
- * OpenGL-style vertex ID.
- *
- * Section 2.11.7 (Shader Execution), subsection Shader Inputs, of the
- * OpenGL 3.3 core profile spec says:
- *
- * "gl_VertexID holds the integer index i implicitly passed by
- * DrawArrays or one of the other drawing commands defined in section
- * 2.8.3."
- *
- * Section 2.8.3 (Drawing Commands) of the same spec says:
- *
- * "The commands....are equivalent to the commands with the same base
- * name (without the BaseVertex suffix), except that the ith element
- * transferred by the corresponding draw call will be taken from
- * element indices[i] + basevertex of each enabled array."
- *
- * Additionally, the overview in the GL_ARB_shader_draw_parameters spec
- * says:
- *
- * "In unextended GL, vertex shaders have inputs named gl_VertexID and
- * gl_InstanceID, which contain, respectively the index of the vertex
- * and instance. The value of gl_VertexID is the implicitly passed
- * index of the vertex being processed, which includes the value of
- * baseVertex, for those commands that accept it."
- *
- * gl_VertexID gets basevertex added in. This differs from DirectX where
- * SV_VertexID does \b not get basevertex added in.
- *
- * \note
- * If all system values are available, \c SYSTEM_VALUE_VERTEX_ID will be
- * equal to \c SYSTEM_VALUE_VERTEX_ID_ZERO_BASE plus
- * \c SYSTEM_VALUE_BASE_VERTEX.
- *
- * \sa SYSTEM_VALUE_VERTEX_ID_ZERO_BASE, SYSTEM_VALUE_BASE_VERTEX
- */
- SYSTEM_VALUE_VERTEX_ID,
-
- /**
- * Instanced ID as supplied to gl_InstanceID
- *
- * Values assigned to gl_InstanceID always begin with zero, regardless of
- * the value of baseinstance.
- *
- * Section 11.1.3.9 (Shader Inputs) of the OpenGL 4.4 core profile spec
- * says:
- *
- * "gl_InstanceID holds the integer instance number of the current
- * primitive in an instanced draw call (see section 10.5)."
- *
- * Through a big chain of pseudocode, section 10.5 describes that
- * baseinstance is not counted by gl_InstanceID. In that section, notice
- *
- * "If an enabled vertex attribute array is instanced (it has a
- * non-zero divisor as specified by VertexAttribDivisor), the element
- * index that is transferred to the GL, for all vertices, is given by
- *
- * floor(instance/divisor) + baseinstance
- *
- * If an array corresponding to an attribute required by a vertex
- * shader is not enabled, then the corresponding element is taken from
- * the current attribute state (see section 10.2)."
- *
- * Note that baseinstance is \b not included in the value of instance.
- */
- SYSTEM_VALUE_INSTANCE_ID,
-
- /**
- * DirectX-style vertex ID.
- *
- * Unlike \c SYSTEM_VALUE_VERTEX_ID, this system value does \b not include
- * the value of basevertex.
- *
- * \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_BASE_VERTEX
- */
- SYSTEM_VALUE_VERTEX_ID_ZERO_BASE,
-
- /**
- * Value of \c basevertex passed to \c glDrawElementsBaseVertex and similar
- * functions.
- *
- * \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE
- */
- SYSTEM_VALUE_BASE_VERTEX,
- /*@}*/
-
- /**
- * \name Geometry shader system values
- */
- /*@{*/
- SYSTEM_VALUE_INVOCATION_ID,
- /*@}*/
-
- /**
- * \name Fragment shader system values
- */
- /*@{*/
- SYSTEM_VALUE_FRONT_FACE, /**< (not done yet) */
- SYSTEM_VALUE_SAMPLE_ID,
- SYSTEM_VALUE_SAMPLE_POS,
- SYSTEM_VALUE_SAMPLE_MASK_IN,
- /*@}*/
-
- SYSTEM_VALUE_MAX /**< Number of values */
-} gl_system_value;
-
-
-/**
- * The possible interpolation qualifiers that can be applied to a fragment
- * shader input in GLSL.
- *
- * Note: INTERP_QUALIFIER_NONE must be 0 so that memsetting the
- * gl_fragment_program data structure to 0 causes the default behavior.
- */
-enum glsl_interp_qualifier
-{
- INTERP_QUALIFIER_NONE = 0,
- INTERP_QUALIFIER_SMOOTH,
- INTERP_QUALIFIER_FLAT,
- INTERP_QUALIFIER_NOPERSPECTIVE,
- INTERP_QUALIFIER_COUNT /**< Number of interpolation qualifiers */
-};
-
-
/**
* \brief Layout qualifiers for gl_FragDepth.
*
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