#include "main/glheader.h"
#include "main/config.h"
-#include "main/compiler.h"
#include "main/mfeatures.h"
#include "glapi/glapi.h"
#include "math/m_matrix.h" /* GLmatrix */
#include "main/simple_list.h" /* struct simple_node */
+/* Shader stages. Note that these will become 5 with tessellation.
+ * These MUST have the same values as PIPE_SHADER_*
+ */
+#define MESA_SHADER_VERTEX 0
+#define MESA_SHADER_FRAGMENT 1
+#define MESA_SHADER_GEOMETRY 2
+#define MESA_SHADER_TYPES 3
+
/**
* Color channel data type.
} gl_vert_result;
+/*********************************************/
+
+/**
+ * Indexes for geometry program attributes.
+ */
+typedef enum
+{
+ GEOM_ATTRIB_POSITION = 0,
+ GEOM_ATTRIB_COLOR0 = 1,
+ GEOM_ATTRIB_COLOR1 = 2,
+ GEOM_ATTRIB_SECONDARY_COLOR0 = 3,
+ GEOM_ATTRIB_SECONDARY_COLOR1 = 4,
+ GEOM_ATTRIB_FOG_FRAG_COORD = 5,
+ GEOM_ATTRIB_POINT_SIZE = 6,
+ GEOM_ATTRIB_CLIP_VERTEX = 7,
+ GEOM_ATTRIB_PRIMITIVE_ID = 8,
+ GEOM_ATTRIB_TEX_COORD = 9,
+
+ GEOM_ATTRIB_VAR0 = 16,
+ GEOM_ATTRIB_MAX = (GEOM_ATTRIB_VAR0 + MAX_VARYING)
+} gl_geom_attrib;
+
+/**
+ * Bitflags for geometry attributes.
+ * These are used in bitfields in many places.
+ */
+/*@{*/
+#define GEOM_BIT_COLOR0 (1 << GEOM_ATTRIB_COLOR0)
+#define GEOM_BIT_COLOR1 (1 << GEOM_ATTRIB_COLOR1)
+#define GEOM_BIT_SCOLOR0 (1 << GEOM_ATTRIB_SECONDARY_COLOR0)
+#define GEOM_BIT_SCOLOR1 (1 << GEOM_ATTRIB_SECONDARY_COLOR1)
+#define GEOM_BIT_TEX_COORD (1 << GEOM_ATTRIB_TEX_COORD)
+#define GEOM_BIT_FOG_COORD (1 << GEOM_ATTRIB_FOG_FRAG_COORD)
+#define GEOM_BIT_POSITION (1 << GEOM_ATTRIB_POSITION)
+#define GEOM_BIT_POINT_SIDE (1 << GEOM_ATTRIB_POINT_SIZE)
+#define GEOM_BIT_CLIP_VERTEX (1 << GEOM_ATTRIB_CLIP_VERTEX)
+#define GEOM_BIT_PRIM_ID (1 << GEOM_ATTRIB_PRIMITIVE_ID)
+#define GEOM_BIT_VAR0 (1 << GEOM_ATTRIB_VAR0)
+
+#define GEOM_BIT_VAR(g) (1 << (GEOM_BIT_VAR0 + (g)))
+/*@}*/
+
+
+/**
+ * Indexes for geometry program result attributes
+ */
+/*@{*/
+typedef enum {
+ GEOM_RESULT_POS = 0,
+ GEOM_RESULT_COL0 = 1,
+ GEOM_RESULT_COL1 = 2,
+ GEOM_RESULT_SCOL0 = 3,
+ GEOM_RESULT_SCOL1 = 4,
+ GEOM_RESULT_FOGC = 5,
+ GEOM_RESULT_TEX0 = 6,
+ GEOM_RESULT_TEX1 = 7,
+ GEOM_RESULT_TEX2 = 8,
+ GEOM_RESULT_TEX3 = 9,
+ GEOM_RESULT_TEX4 = 10,
+ GEOM_RESULT_TEX5 = 11,
+ GEOM_RESULT_TEX6 = 12,
+ GEOM_RESULT_TEX7 = 13,
+ GEOM_RESULT_PSIZ = 14,
+ GEOM_RESULT_CLPV = 15,
+ GEOM_RESULT_PRID = 16,
+ GEOM_RESULT_LAYR = 17,
+ GEOM_RESULT_VAR0 = 18, /**< shader varying, should really be 16 */
+ /* ### we need to -2 because var0 is 18 instead 16 like in the others */
+ GEOM_RESULT_MAX = (GEOM_RESULT_VAR0 + MAX_VARYING - 2)
+} gl_geom_result;
+/*@}*/
+
/**
* Indexes for fragment program input attributes.
*/
#define T_BIT 2
#define R_BIT 4
#define Q_BIT 8
+#define STR_BITS (S_BIT | T_BIT | R_BIT)
/*@}*/
GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
+ /** GL 3.1 (slightly different from GL_NV_primitive_restart) */
+ GLboolean PrimitiveRestart;
+ GLuint RestartIndex;
+
GLbitfield NewState; /**< mask of _NEW_ARRAY_* values */
-#if FEATURE_ARB_vertex_buffer_object
+ /* GL_ARB_vertex_buffer_object */
struct gl_buffer_object *ArrayBufferObj;
struct gl_buffer_object *ElementArrayBufferObj;
-#endif
};
/** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
gl_texture_index SamplerTargets[MAX_SAMPLERS];
+ /** Bitmask of which register files are read/written with indirect
+ * addressing. Mask of (1 << PROGRAM_x) bits.
+ */
+ GLbitfield IndirectRegisterFiles;
+
/** Logical counts */
/*@{*/
GLuint NumInstructions;
};
+/** Geometry program object */
+struct gl_geometry_program
+{
+ struct gl_program Base; /**< base class */
+
+ GLint VerticesOut;
+ GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
+ GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
+ GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
+};
+
+
/** Fragment program object */
struct gl_fragment_program
{
};
+/**
+ * Context state for geometry programs.
+ */
+struct gl_geometry_program_state
+{
+ GLboolean Enabled; /**< GL_ARB_GEOMETRY_SHADER4 */
+ GLboolean _Enabled; /**< Enabled and valid program? */
+ struct gl_geometry_program *Current; /**< user-bound geometry program */
+
+ /** Currently enabled and valid program (including internal programs
+ * and compiled shader programs).
+ */
+ 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 fragment programs.
*/
/** GL_NV_conditional_render */
struct gl_query_object *CondRenderQuery;
+
+ /** GL_EXT_transform_feedback */
+ struct gl_query_object *PrimitivesGenerated;
+ struct gl_query_object *PrimitivesWritten;
+
+ /** GL_ARB_timer_query */
+ struct gl_query_object *TimeElapsed;
+
GLenum CondRenderMode;
};
*/
struct gl_shader
{
- GLenum Type; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER (first field!) */
+ GLenum Type; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB (first field!) */
GLuint Name; /**< AKA the handle */
GLint RefCount; /**< Reference count */
GLboolean DeletePending;
struct gl_program *Program; /**< Post-compile assembly code */
GLchar *InfoLog;
struct gl_sl_pragmas Pragmas;
+
+ unsigned Version; /**< GLSL version used for linking */
+
+ struct exec_list *ir;
+ struct glsl_symbol_table *symbols;
+
+ /** Shaders containing built-in functions that are used for linking. */
+ struct gl_shader *builtins_to_link[16];
+ unsigned num_builtins_to_link;
};
/** User-defined attribute bindings (glBindAttribLocation) */
struct gl_program_parameter_list *Attributes;
+ /** Transform feedback varyings */
+ struct {
+ GLenum BufferMode;
+ GLuint NumVarying;
+ GLchar **VaryingNames; /**< Array [NumVarying] of char * */
+ } TransformFeedback;
+
+ /** Geometry shader state - copied into gl_geometry_program at link time */
+ struct {
+ GLint VerticesOut;
+ GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
+ GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
+ GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
+ } Geom;
+
/* post-link info: */
struct gl_vertex_program *VertexProgram; /**< Linked vertex program */
struct gl_fragment_program *FragmentProgram; /**< Linked fragment prog */
+ struct gl_geometry_program *GeometryProgram; /**< Linked geometry prog */
struct gl_uniform_list *Uniforms;
struct gl_program_parameter_list *Varying;
GLboolean LinkStatus; /**< GL_LINK_STATUS */
GLboolean Validated;
GLboolean _Used; /**< Ever used for drawing? */
GLchar *InfoLog;
+
+ unsigned Version; /**< GLSL version used for linking */
+
+ /**
+ * Per-stage shaders resulting from the first stage of linking.
+ */
+ /*@{*/
+ GLuint _NumLinkedShaders;
+ struct gl_shader *_LinkedShaders[2];
+ /*@}*/
};
struct gl_shader_state
{
struct gl_shader_program *CurrentProgram; /**< The user-bound program */
+ void *MemPool;
+
+ GLbitfield Flags; /**< Mask of GLSL_x flags */
+};
+
+/**
+ * Compiler options for a single GLSL shaders type
+ */
+struct gl_shader_compiler_options
+{
/** Driver-selectable options: */
- GLboolean EmitHighLevelInstructions; /**< IF/ELSE/ENDIF vs. BRA, etc. */
- GLboolean EmitContReturn; /**< Emit CONT/RET opcodes? */
GLboolean EmitCondCodes; /**< Use condition codes? */
- GLboolean EmitComments; /**< Annotated instructions */
GLboolean EmitNVTempInitialization; /**< 0-fill NV temp registers */
- void *MemPool;
- GLbitfield Flags; /**< Mask of GLSL_x flags */
+ /**
+ * Attempts to flatten all ir_if (OPCODE_IF) for GPUs that can't
+ * support control flow.
+ */
+ GLboolean EmitNoIfs;
+ GLboolean EmitNoLoops;
+ GLboolean EmitNoFunctions;
+ GLboolean EmitNoCont; /**< Emit CONT opcode? */
+ GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */
+ GLboolean EmitNoNoise; /**< Emit NOISE opcodes? */
+
+ /**
+ * \name Forms of indirect addressing the driver cannot do.
+ */
+ /*@{*/
+ GLboolean EmitNoIndirectInput; /**< No indirect addressing of inputs */
+ GLboolean EmitNoIndirectOutput; /**< No indirect addressing of outputs */
+ GLboolean EmitNoIndirectTemp; /**< No indirect addressing of temps */
+ GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */
+ /*@}*/
+
+ GLuint MaxUnrollIterations;
+
struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
};
+/**
+ * Transform feedback object state
+ */
+struct gl_transform_feedback_object
+{
+ GLuint Name; /**< AKA the object ID */
+ GLint RefCount;
+ GLboolean Active; /**< Is transform feedback enabled? */
+ GLboolean Paused; /**< Is transform feedback paused? */
+
+ /** The feedback buffers */
+ GLuint BufferNames[MAX_FEEDBACK_ATTRIBS];
+ struct gl_buffer_object *Buffers[MAX_FEEDBACK_ATTRIBS];
+
+ /** Start of feedback data in dest buffer */
+ GLintptr Offset[MAX_FEEDBACK_ATTRIBS];
+ /** Max data to put into dest buffer (in bytes) */
+ GLsizeiptr Size[MAX_FEEDBACK_ATTRIBS];
+};
+
+
+/**
+ * Context state for transform feedback.
+ */
+struct gl_transform_feedback
+{
+ GLenum Mode; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
+
+ GLboolean RasterDiscard; /**< GL_RASTERIZER_DISCARD */
+
+ /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
+ struct gl_buffer_object *CurrentBuffer;
+
+ /** The table of all transform feedback objects */
+ struct _mesa_HashTable *Objects;
+
+ /** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */
+ struct gl_transform_feedback_object *CurrentObject;
+
+ /** The default xform-fb object (Name==0) */
+ struct gl_transform_feedback_object *DefaultObject;
+};
+
+
/**
* State which can be shared by multiple contexts:
struct gl_buffer_object *NullBufferObj;
/**
- * \name Vertex/fragment programs
+ * \name Vertex/geometry/fragment programs
*/
/*@{*/
struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */
-#if FEATURE_ARB_vertex_program
struct gl_vertex_program *DefaultVertexProgram;
-#endif
-#if FEATURE_ARB_fragment_program
struct gl_fragment_program *DefaultFragmentProgram;
-#endif
+ struct gl_geometry_program *DefaultGeometryProgram;
/*@}*/
-#if FEATURE_ATI_fragment_shader
+ /* GL_ATI_fragment_shader */
struct _mesa_HashTable *ATIShaders;
struct ati_fragment_shader *DefaultFragmentShader;
-#endif
-#if FEATURE_ARB_vertex_buffer_object || FEATURE_ARB_pixel_buffer_object
struct _mesa_HashTable *BufferObjects;
-#endif
-#if FEATURE_ARB_shader_objects
/** Table of both gl_shader and gl_shader_program objects */
struct _mesa_HashTable *ShaderObjects;
-#endif
-#if FEATURE_EXT_framebuffer_object
+ /* GL_EXT_framebuffer_object */
struct _mesa_HashTable *RenderBuffers;
struct _mesa_HashTable *FrameBuffers;
-#endif
-#if FEATURE_ARB_sync
+ /* GL_ARB_sync */
struct simple_node SyncObjects;
-#endif
void *DriverData; /**< Device driver shared state */
};
/**
- * Limits for vertex and fragment programs.
+ * Limits for vertex and fragment programs/shaders.
*/
struct gl_program_constants
{
/* logical limits */
GLuint MaxInstructions;
- GLuint MaxAluInstructions; /* fragment programs only, for now */
- GLuint MaxTexInstructions; /* fragment programs only, for now */
- GLuint MaxTexIndirections; /* fragment programs only, for now */
+ GLuint MaxAluInstructions;
+ GLuint MaxTexInstructions;
+ GLuint MaxTexIndirections;
GLuint MaxAttribs;
GLuint MaxTemps;
- GLuint MaxAddressRegs; /* vertex program only, for now */
+ GLuint MaxAddressRegs;
GLuint MaxParameters;
GLuint MaxLocalParams;
GLuint MaxEnvParams;
/* native/hardware limits */
GLuint MaxNativeInstructions;
- GLuint MaxNativeAluInstructions; /* fragment programs only, for now */
- GLuint MaxNativeTexInstructions; /* fragment programs only, for now */
- GLuint MaxNativeTexIndirections; /* fragment programs only, for now */
+ GLuint MaxNativeAluInstructions;
+ GLuint MaxNativeTexInstructions;
+ GLuint MaxNativeTexIndirections;
GLuint MaxNativeAttribs;
GLuint MaxNativeTemps;
- GLuint MaxNativeAddressRegs; /* vertex program only, for now */
+ GLuint MaxNativeAddressRegs;
GLuint MaxNativeParameters;
/* For shaders */
GLuint MaxUniformComponents;
+ /* GL_ARB_geometry_shader4 */
+ GLuint MaxGeometryTextureImageUnits;
+ GLuint MaxGeometryVaryingComponents;
+ GLuint MaxVertexVaryingComponents;
+ GLuint MaxGeometryUniformComponents;
+ GLuint MaxGeometryOutputVertices;
+ GLuint MaxGeometryTotalOutputComponents;
};
struct gl_program_constants VertexProgram; /**< GL_ARB_vertex_program */
struct gl_program_constants FragmentProgram; /**< GL_ARB_fragment_program */
+ struct gl_program_constants GeometryProgram; /**< GL_ARB_geometry_shader4 */
GLuint MaxProgramMatrices;
GLuint MaxProgramMatrixStackDepth;
GLuint MaxVarying; /**< Number of float[4] varying parameters */
- GLbitfield SupportedBumpUnits; /**> units supporting GL_ATI_envmap_bumpmap as targets */
+ GLuint GLSLVersion; /**< GLSL version supported (ex: 120 = 1.20) */
+
+ /** Which texture units support GL_ATI_envmap_bumpmap as targets */
+ GLbitfield SupportedBumpUnits;
/**
* Maximum amount of time, measured in nanseconds, that the server can wait.
*/
GLuint64 MaxServerWaitTimeout;
-
- /**< GL_EXT_provoking_vertex */
+ /** GL_EXT_provoking_vertex */
GLboolean QuadsFollowProvokingVertexConvention;
+
+ /** OpenGL version 3.0 */
+ GLbitfield ContextFlags; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
+
+ /** OpenGL version 3.2 */
+ GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
+
+ /** GL_EXT_transform_feedback */
+ GLuint MaxTransformFeedbackSeparateAttribs;
+ GLuint MaxTransformFeedbackSeparateComponents;
+ GLuint MaxTransformFeedbackInterleavedComponents;
};
struct gl_extensions
{
GLboolean dummy; /* don't remove this! */
+ GLboolean ARB_blend_func_extended;
GLboolean ARB_copy_buffer;
- GLboolean ARB_depth_texture;
+ GLboolean ARB_depth_buffer_float;
GLboolean ARB_depth_clamp;
+ GLboolean ARB_depth_texture;
GLboolean ARB_draw_buffers;
GLboolean ARB_draw_elements_base_vertex;
+ GLboolean ARB_draw_instanced;
GLboolean ARB_fragment_coord_conventions;
GLboolean ARB_fragment_program;
GLboolean ARB_fragment_program_shadow;
GLboolean ARB_fragment_shader;
GLboolean ARB_framebuffer_object;
+ GLboolean ARB_explicit_attrib_location;
+ GLboolean ARB_geometry_shader4;
GLboolean ARB_half_float_pixel;
GLboolean ARB_half_float_vertex;
- GLboolean ARB_imaging;
+ GLboolean ARB_instanced_arrays;
GLboolean ARB_map_buffer_range;
GLboolean ARB_multisample;
GLboolean ARB_multitexture;
GLboolean ARB_occlusion_query;
+ GLboolean ARB_occlusion_query2;
GLboolean ARB_point_sprite;
+ GLboolean ARB_sampler_objects;
GLboolean ARB_seamless_cube_map;
GLboolean ARB_shader_objects;
GLboolean ARB_shading_language_100;
- GLboolean ARB_shading_language_120;
GLboolean ARB_shadow;
- GLboolean ARB_shadow_ambient; /* or GL_ARB_shadow_ambient */
+ GLboolean ARB_shadow_ambient;
GLboolean ARB_sync;
GLboolean ARB_texture_border_clamp;
+ GLboolean ARB_texture_buffer_object;
GLboolean ARB_texture_compression;
GLboolean ARB_texture_cube_map;
GLboolean ARB_texture_env_combine;
GLboolean ARB_texture_env_dot3;
GLboolean ARB_texture_float;
GLboolean ARB_texture_mirrored_repeat;
+ GLboolean ARB_texture_multisample;
GLboolean ARB_texture_non_power_of_two;
+ GLboolean ARB_texture_rg;
+ GLboolean ARB_texture_rgb10_a2ui;
+ GLboolean ARB_timer_query;
+ GLboolean ARB_transform_feedback2;
GLboolean ARB_transpose_matrix;
+ GLboolean ARB_uniform_buffer_object;
GLboolean ARB_vertex_array_object;
GLboolean ARB_vertex_buffer_object;
GLboolean ARB_vertex_program;
GLboolean ARB_vertex_shader;
+ GLboolean ARB_vertex_type_2_10_10_10_rev;
GLboolean ARB_window_pos;
GLboolean EXT_abgr;
GLboolean EXT_bgra;
GLboolean EXT_framebuffer_blit;
GLboolean EXT_framebuffer_multisample;
GLboolean EXT_framebuffer_object;
+ GLboolean EXT_framebuffer_sRGB;
GLboolean EXT_gpu_program_parameters;
GLboolean EXT_histogram;
GLboolean EXT_multi_draw_arrays;
GLboolean EXT_paletted_texture;
GLboolean EXT_packed_depth_stencil;
+ GLboolean EXT_packed_float;
GLboolean EXT_packed_pixels;
GLboolean EXT_pixel_buffer_object;
GLboolean EXT_point_parameters;
GLboolean EXT_texture3D;
GLboolean EXT_texture_array;
GLboolean EXT_texture_compression_s3tc;
+ GLboolean EXT_texture_compression_rgtc;
GLboolean EXT_texture_env_add;
GLboolean EXT_texture_env_combine;
GLboolean EXT_texture_env_dot3;
GLboolean EXT_texture_filter_anisotropic;
+ GLboolean EXT_texture_integer;
GLboolean EXT_texture_lod_bias;
GLboolean EXT_texture_mirror_clamp;
+ GLboolean EXT_texture_shared_exponent;
GLboolean EXT_texture_sRGB;
GLboolean EXT_texture_swizzle;
+ GLboolean EXT_transform_feedback;
GLboolean EXT_timer_query;
GLboolean EXT_vertex_array;
GLboolean EXT_vertex_array_bgra;
GLboolean NV_fragment_program_option;
GLboolean NV_light_max_exponent;
GLboolean NV_point_sprite;
+ GLboolean NV_primitive_restart;
GLboolean NV_texgen_reflection;
GLboolean NV_texture_env_combine4;
GLboolean NV_texture_rectangle;
GLboolean SGIS_texture_lod;
GLboolean TDFX_texture_compression_FXT1;
GLboolean S3_s3tc;
-#if FEATURE_OES_draw_texture
+ GLboolean OES_EGL_image;
GLboolean OES_draw_texture;
-#endif /* FEATURE_OES_draw_texture */
/** The extension string */
const GLubyte *String;
/** Number of supported extensions */
} Current;
};
+/**
+ * Enum for the OpenGL APIs we know about and may support.
+ */
+typedef enum {
+ API_OPENGL,
+ API_OPENGLES,
+ API_OPENGLES2
+} gl_api;
/**
* Mesa rendering context.
/** \name API function pointer tables */
/*@{*/
+ gl_api API;
struct _glapi_table *Save; /**< Display list save functions */
struct _glapi_table *Exec; /**< Execute functions */
struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */
struct gl_program_state Program; /**< general program state */
struct gl_vertex_program_state VertexProgram;
struct gl_fragment_program_state FragmentProgram;
+ struct gl_geometry_program_state GeometryProgram;
struct gl_ati_fragment_shader_state ATIFragmentShader;
struct gl_shader_state Shader; /**< GLSL shader object state */
+ struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_TYPES];
struct gl_query_state Query; /**< occlusion, timer queries */
+ struct gl_transform_feedback TransformFeedback;
+
struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */
struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */
/*@}*/
struct gl_meta_state *Meta; /**< for "meta" operations */
-#if FEATURE_EXT_framebuffer_object
+ /* GL_EXT_framebuffer_object */
struct gl_renderbuffer *CurrentRenderbuffer;
-#endif
GLenum ErrorValue; /**< Last error code */
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