#include "main/config.h"
#include "glapi/glapi.h"
#include "math/m_matrix.h" /* GLmatrix */
-#include "main/simple_list.h" /* struct simple_node */
+#include "util/simple_list.h" /* struct simple_node */
#include "main/formats.h" /* MESA_FORMAT_COUNT */
GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */
GLfloat OffsetFactor; /**< Polygon offset factor, from user */
GLfloat OffsetUnits; /**< Polygon offset units, from user */
+ GLfloat OffsetClamp; /**< Polygon offset clamp, from user */
GLboolean OffsetPoint; /**< Offset in GL_POINT mode */
GLboolean OffsetLine; /**< Offset in GL_LINE mode */
GLboolean OffsetFill; /**< Offset in GL_FILL mode */
GLboolean Purgeable; /**< Is the buffer purgeable under memory
pressure? */
GLboolean Immutable; /**< GL_ARB_texture_storage */
+ GLboolean _IsFloat; /**< GL_OES_float_texture */
+ GLboolean _IsHalfFloat; /**< GL_OES_half_float_texture */
GLuint MinLevel; /**< GL_ARB_texture_view */
GLuint MinLayer; /**< GL_ARB_texture_view */
GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
GLboolean DepthClamp; /**< GL_ARB_depth_clamp */
+ /** GL_ARB_clip_control */
+ GLenum ClipOrigin; /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
+ GLenum ClipDepthMode; /**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
};
/**
+ * Usages we've seen for a buffer object.
+ */
+typedef enum {
+ USAGE_UNIFORM_BUFFER = 0x1,
+ USAGE_TEXTURE_BUFFER = 0x2,
+ USAGE_ATOMIC_COUNTER_BUFFER = 0x4,
+} gl_buffer_usage;
+
+
+/**
* GL_ARB_vertex/pixel_buffer_object buffer object
*/
struct gl_buffer_object
GLboolean Written; /**< Ever written to? (for debugging) */
GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
GLboolean Immutable; /**< GL_ARB_buffer_storage */
+ gl_buffer_usage UsageHistory; /**< How has this buffer been used so far? */
struct gl_buffer_mapping Mappings[MAP_COUNT];
};
GLuint _ElementSize; /**< size of each element in bytes */
struct gl_buffer_object *BufferObj;/**< GL_ARB_vertex_buffer_object */
- GLuint _MaxElement; /**< max element index into array buffer + 1 */
};
/** Mask of VERT_BIT_* values indicating changed/dirty arrays */
GLbitfield64 NewArrays;
- /**
- * Min of all enabled arrays' _MaxElement. When arrays reside inside VBOs
- * we can determine the max legal (in bounds) glDrawElements array index.
- */
- GLuint _MaxElement;
-
/** The index buffer (also known as the element array buffer in OpenGL). */
struct gl_buffer_object *IndexBufferObj;
};
DRAW_ARRAYS
} gl_draw_method;
+/**
+ * Enum for the OpenGL APIs we know about and may support.
+ *
+ * NOTE: This must match the api_enum table in
+ * src/mesa/main/get_hash_generator.py
+ */
+typedef enum
+{
+ API_OPENGL_COMPAT, /* legacy / compatibility contexts */
+ API_OPENGLES,
+ API_OPENGLES2,
+ API_OPENGL_CORE,
+ API_OPENGL_LAST = API_OPENGL_CORE
+} gl_api;
/**
* Vertex array state
/** One of the DRAW_xxx flags, not consumed by drivers */
gl_draw_method DrawMethod;
- /** Legal array datatypes */
+ /** Legal array datatypes and the API for which they have been computed */
GLbitfield LegalTypesMask;
+ gl_api LegalTypesMaskAPI;
};
* \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,
/*@}*/
/**
struct gl_geometry_program *_Current;
GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
-
- /** Cache of fixed-function programs */
- struct gl_program_cache *Cache;
};
/**
/**
+ * Context state for compute programs.
+ */
+struct gl_compute_program_state
+{
+ struct gl_compute_program *Current; /**< user-bound compute program */
+
+ /** Currently enabled and valid program (including internal programs
+ * and compiled shader programs).
+ */
+ struct gl_compute_program *_Current;
+};
+
+
+/**
* ATI_fragment_shader runtime state
*/
#define ATI_FS_INPUT_PRIMARY 0
* Transform feedback varyings last specified by
* glTransformFeedbackVaryings().
*
- * For the current set of transform feeedback varyings used for transform
+ * For the current set of transform feedback varyings used for transform
* feedback output, see LinkedTransformFeedback.
*/
struct {
/* post-link info: */
unsigned NumUserUniformStorage;
+ unsigned NumHiddenUniforms;
struct gl_uniform_storage *UniformStorage;
/**
GLboolean LinkStatus; /**< GL_LINK_STATUS */
GLboolean Validated;
GLboolean _Used; /**< Ever used for drawing? */
+ GLboolean SamplersValidated; /**< Samplers validated against texture units? */
GLchar *InfoLog;
unsigned Version; /**< GLSL version used for linking */
mtx_t Mutex;
+ GLchar *Label; /**< GL_KHR_debug */
+
/**
* Programs used for rendering
*
GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */
GLboolean EmitNoNoise; /**< Emit NOISE opcodes? */
GLboolean EmitNoPow; /**< Emit POW opcodes? */
+ GLboolean EmitNoSat; /**< Emit SAT opcodes? */
GLboolean LowerClipDistance; /**< Lower gl_ClipDistance from float[8] to vec4[2]? */
/**
GLuint PrimitivesWritten;
} QueryCounterBits;
- /** vertex array / buffer object bounds checking */
- GLboolean CheckArrayBounds;
-
GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */
GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */
GLuint MaxGeometryOutputVertices;
GLuint MaxGeometryTotalOutputComponents;
- GLuint GLSLVersion; /**< GLSL version supported (ex: 120 = 1.20) */
+ GLuint GLSLVersion; /**< Desktop GLSL version supported (ex: 120 = 1.20) */
/**
* Changes default GLSL extension behavior from "error" to "warn". It's out
GLboolean NativeIntegers;
/**
+ * Does VertexID count from zero or from base vertex?
+ *
+ * \note
+ * If desktop GLSL 1.30 or GLSL ES 3.00 are not supported, this field is
+ * ignored and need not be set.
+ */
+ bool VertexID_is_zero_based;
+
+ /**
* If the driver supports real 32-bit integers, what integer value should be
* used for boolean true in uniform uploads? (Usually 1 or ~0.)
*/
/** OpenGL version 3.2 */
GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
+ /** OpenGL version 4.4 */
+ GLuint MaxVertexAttribStride;
+
/** GL_EXT_transform_feedback */
GLuint MaxTransformFeedbackBuffers;
GLuint MaxTransformFeedbackSeparateComponents;
GLboolean GLSLSkipStrictMaxUniformLimitCheck;
/**
- * Force software support for primitive restart in the VBO module.
- */
- GLboolean PrimitiveRestartInSoftware;
-
- /**
* Always use the GetTransformFeedbackVertexCount() driver hook, rather
* than passing the transform feedback object to the drawing function.
*/
*/
GLboolean DisableVaryingPacking;
+ /**
+ * Should meaningful names be generated for compiler temporary variables?
+ *
+ * Generally, it is not useful to have the compiler generate "meaningful"
+ * names for temporary variables that it creates. This can, however, be a
+ * useful debugging aid. In Mesa debug builds or release builds when
+ * MESA_GLSL is set at run-time, meaningful names will be generated.
+ * Drivers can also force names to be generated by setting this field.
+ * For example, the i965 driver may set it when INTEL_DEBUG=vs (to dump
+ * vertex shader assembly) is set at run-time.
+ */
+ bool GenerateTemporaryNames;
+
/*
* Maximum value supported for an index in DrawElements and friends.
*
GLint MaxDepthTextureSamples;
GLint MaxIntegerSamples;
+ /**
+ * GL_EXT_texture_multisample_blit_scaled implementation assumes that
+ * samples are laid out in a rectangular grid roughly corresponding to
+ * sample locations within a pixel. Below SampleMap{2,4,8}x variables
+ * are used to map indices of rectangular grid to sample numbers within
+ * a pixel. This mapping of indices to sample numbers must be initialized
+ * by the driver for the target hardware. For example, if we have the 8X
+ * MSAA sample number layout (sample positions) for XYZ hardware:
+ *
+ * sample indices layout sample number layout
+ * --------- ---------
+ * | 0 | 1 | | a | b |
+ * --------- ---------
+ * | 2 | 3 | | c | d |
+ * --------- ---------
+ * | 4 | 5 | | e | f |
+ * --------- ---------
+ * | 6 | 7 | | g | h |
+ * --------- ---------
+ *
+ * Where a,b,c,d,e,f,g,h are integers between [0-7].
+ *
+ * Then, initialize the SampleMap8x variable for XYZ hardware as shown
+ * below:
+ * SampleMap8x = {a, b, c, d, e, f, g, h};
+ *
+ * Follow the logic for other sample counts.
+ */
+ uint8_t SampleMap2x[2];
+ uint8_t SampleMap4x[4];
+ uint8_t SampleMap8x[8];
+
/** GL_ARB_shader_atomic_counters */
GLuint MaxAtomicBufferBindings;
GLuint MaxAtomicBufferSize;
GLboolean FakeSWMSAA;
+ /** GL_KHR_context_flush_control */
+ GLenum ContextReleaseBehavior;
+
struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_STAGES];
};
GLboolean ARB_blend_func_extended;
GLboolean ARB_buffer_storage;
GLboolean ARB_clear_texture;
+ GLboolean ARB_clip_control;
GLboolean ARB_color_buffer_float;
GLboolean ARB_compute_shader;
+ GLboolean ARB_conditional_render_inverted;
GLboolean ARB_conservative_depth;
GLboolean ARB_copy_image;
GLboolean ARB_depth_buffer_float;
GLboolean ARB_shader_atomic_counters;
GLboolean ARB_shader_bit_encoding;
GLboolean ARB_shader_image_load_store;
+ GLboolean ARB_shader_precision;
GLboolean ARB_shader_stencil_export;
GLboolean ARB_shader_texture_lod;
GLboolean ARB_shading_language_packing;
GLboolean EXT_packed_float;
GLboolean EXT_pixel_buffer_object;
GLboolean EXT_point_parameters;
+ GLboolean EXT_polygon_offset_clamp;
GLboolean EXT_provoking_vertex;
GLboolean EXT_shader_integer_mix;
GLboolean EXT_stencil_two_side;
GLboolean OES_draw_texture;
GLboolean OES_depth_texture_cube_map;
GLboolean OES_EGL_image_external;
+ GLboolean OES_texture_float;
+ GLboolean OES_texture_float_linear;
+ GLboolean OES_texture_half_float;
+ GLboolean OES_texture_half_float_linear;
GLboolean OES_compressed_ETC1_RGB8_texture;
GLboolean extension_sentinel;
/** The extension string */
/** @} */
/**
- * Enum for the OpenGL APIs we know about and may support.
- *
- * NOTE: This must match the api_enum table in
- * src/mesa/main/get_hash_generator.py
- */
-typedef enum
-{
- API_OPENGL_COMPAT, /* legacy / compatibility contexts */
- API_OPENGLES,
- API_OPENGLES2,
- API_OPENGL_CORE,
- API_OPENGL_LAST = API_OPENGL_CORE
-} gl_api;
-
-/**
* Driver-specific state flags.
*
* These are or'd with gl_context::NewDriverState to notify a driver about
struct gl_driver_flags
{
/** gl_context::Array::_DrawArrays (vertex array state) */
- GLbitfield NewArray;
+ uint64_t NewArray;
/** gl_context::TransformFeedback::CurrentObject */
- GLbitfield NewTransformFeedback;
+ uint64_t NewTransformFeedback;
/** gl_context::TransformFeedback::CurrentObject::shader_program */
- GLbitfield NewTransformFeedbackProg;
+ uint64_t NewTransformFeedbackProg;
/** gl_context::RasterDiscard */
- GLbitfield NewRasterizerDiscard;
+ uint64_t NewRasterizerDiscard;
/**
* gl_context::UniformBufferBindings
* gl_shader_program::UniformBlocks
*/
- GLbitfield NewUniformBuffer;
+ uint64_t NewUniformBuffer;
+
+ uint64_t NewTextureBuffer;
/**
* gl_context::AtomicBufferBindings
*/
- GLbitfield NewAtomicBuffer;
+ uint64_t NewAtomicBuffer;
/**
* gl_context::ImageUnits
*/
- GLbitfield NewImageUnits;
+ uint64_t NewImageUnits;
};
struct gl_uniform_buffer_binding
struct gl_vertex_program_state VertexProgram;
struct gl_fragment_program_state FragmentProgram;
struct gl_geometry_program_state GeometryProgram;
+ struct gl_compute_program_state ComputeProgram;
struct gl_ati_fragment_shader_state ATIFragmentShader;
struct gl_pipeline_shader_state Pipeline; /**< GLSL pipeline shader object state */
GLuint ErrorDebugCount;
/* GL_ARB_debug_output/GL_KHR_debug */
+ mtx_t DebugMutex;
struct gl_debug_state *Debug;
GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
GLbitfield NewState; /**< bitwise-or of _NEW_* flags */
- GLbitfield NewDriverState;/**< bitwise-or of flags from DriverFlags */
+ uint64_t NewDriverState; /**< bitwise-or of flags from DriverFlags */
struct gl_driver_flags DriverFlags;
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