#include "arraystate.h"
#include "bufferstate.h"
#include "gldecoder.h"
+#include "programstate.h"
#include "texturestate.h"
struct Vector3
/**
Tracks OpenGL state based on the command stream. This class is essentially a
(partial) OpenGL implementation in itself.
-
-XXX Should determine the number of texture units the target implementation
-actually supports.
*/
class GlState
{
public:
typedef std::map<unsigned, TextureState> TextureMap;
typedef std::map<unsigned, BufferState> BufferMap;
+ typedef std::map<unsigned, ShaderState> ShaderMap;
+ typedef std::map<unsigned, ProgramState> ProgramMap;
private:
GlDecoder *decoder;
Vector4 color;
- Vector4 texcoord[8];
+ std::vector<Vector4> texcoord;
Vector3 normal;
unsigned active_tex;
unsigned client_active_tex;
TextureMap textures;
- TexUnitState texunits[8];
+ std::vector<TexUnitState> texunits;
BufferMap buffers;
BufferState *array_buffer;
BufferState *element_buffer;
ArrayState vertex_array;
ArrayState normal_array;
ArrayState color_array;
- ArrayState texcoord_arrays[8];
- std::map<unsigned, ArrayState> attrib_arrays;
+ std::vector<ArrayState> texcoord_arrays;
+ std::vector<ArrayState> attrib_arrays;
+ ShaderMap shaders;
+ ProgramMap programs;
public:
GlState();
~GlState();
int decode(const char *, unsigned);
- const Vector4 &get_color() const { return color; }
- const Vector4 &get_texcoord(unsigned i) const { return texcoord[i]; }
- const Vector3 &get_normal() const { return normal; }
- const TextureMap &get_textures() const { return textures; }
- const TextureState &get_texture(unsigned) const;
- const TexUnitState &get_texture_unit(unsigned i) const { return texunits[i]; }
- const BufferMap &get_buffers() const { return buffers; }
- const BufferState &get_buffer(unsigned) const;
- const BufferState *get_current_buffer(GLenum) const;
- const BufferBindingState &get_buffer_binding(GLenum, unsigned) const;
- const ArrayState &get_array(GLenum) const;
- const ArrayState &get_texture_coord_array(unsigned) const;
- const ArrayState &get_attrib_array(unsigned) const;
+
private:
- bool &get_boolean_state(GLenum);
- TextureState *get_current_texture(GLenum);
- BufferState *get_buffer_object(unsigned);
- BufferState *get_current_buffer(GLenum);
- BufferBindingState *get_buffer_binding(GLenum, unsigned);
- void set_current_texture(GLenum, unsigned);
- void set_current_buffer(GLenum, unsigned);
- ArrayState &get_attrib_array(unsigned);
+ static void glGetIntegerv(void *, GLenum, int *);
+
+public:
+ unsigned get_max_texture_units() const { return texunits.size(); }
+ unsigned get_max_vertex_attribs() const { return attrib_arrays.size(); }
+ unsigned get_max_uniform_buffer_bindings() const { return uniform_bind_points.size(); }
+private:
+ bool &get_boolean_state(GLenum);
static void glEnableClientState(void *, GLenum);
static void glDisableClientState(void *, GLenum);
- static void glEnableVertexAttribArray(void *, unsigned);
- static void glDisableVertexAttribArray(void *, unsigned);
static void glColor3f(void *, float, float, float);
static void glColor4f(void *, float, float, float, float);
static void glTexCoord4f(void *, float, float, float, float);
static void glMultiTexCoord4f(void *, unsigned, float, float, float, float);
- static void glActiveTexture(void *, unsigned);
- static void glBindTexture(void *, GLenum, unsigned);
- static void glTexImage2D(void *, GLenum, int, int, int, int, int, GLenum, GLenum, const void *);
- static void glTexParameteri(void *, GLenum, GLenum, int);
- static void glTexParameteriv(void *, GLenum, GLenum, const int *);
- static void glDeleteTextures(void *, int, const unsigned *);
+public:
+ const Vector4 &get_color() const { return color; }
+ const Vector4 &get_texcoord(unsigned i) const { return texcoord[i]; }
+ const Vector3 &get_normal() const { return normal; }
+private:
static void glVertexPointer(void *, int, GLenum, int, const void *);
static void glNormalPointer(void *, GLenum, int, const void *);
static void glColorPointer(void *, int, GLenum, int, const void *);
static void glClientActiveTexture(void *, unsigned);
static void glTexCoordPointer(void *, int, GLenum, int, const void *);
+ static void glEnableVertexAttribArray(void *, unsigned);
+ static void glDisableVertexAttribArray(void *, unsigned);
static void glVertexAttribPointer(void *, unsigned, int, GLenum, unsigned char, int, const void *);
+public:
+ const ArrayState &get_array(GLenum) const;
+ const ArrayState &get_texture_coord_array(unsigned) const;
+ const ArrayState &get_attrib_array(unsigned) const;
+
+private:
+ static void glDrawElements(void *, GLenum, int, GLenum, const void *);
+ static void glDrawRangeElements(void *, GLenum, unsigned, unsigned, int, GLenum, const void *);
+
+ void set_current_buffer(GLenum, unsigned);
+ BufferState *get_buffer_object(unsigned);
+ BufferState *get_current_buffer(GLenum);
+ BufferBindingState *get_buffer_binding(GLenum, unsigned);
+
static void glBindBuffer(void *, GLenum, unsigned);
static void glBindBufferBase(void *, GLenum, unsigned, unsigned);
static void glBindBufferRange(void *, GLenum, unsigned, unsigned, int, int);
static void glBufferSubData(void *, GLenum, int, int, const void *);
static void glDeleteBuffers(void *, int, const unsigned *);
- static void glDrawElements(void *, GLenum, int, GLenum, const void *);
- static void glDrawRangeElements(void *, GLenum, unsigned, unsigned, int, GLenum, const void *);
+public:
+ const BufferMap &get_buffers() const { return buffers; }
+ const BufferState &get_buffer(unsigned) const;
+ const BufferState *get_current_buffer(GLenum) const;
+ const BufferBindingState &get_buffer_binding(GLenum, unsigned) const;
+
+private:
+ void set_current_texture(GLenum, unsigned);
+ TextureState *get_current_texture(GLenum);
+
+ static void glActiveTexture(void *, unsigned);
+ static void glBindTexture(void *, GLenum, unsigned);
+ static void glTexImage2D(void *, GLenum, int, int, int, int, int, GLenum, GLenum, const void *);
+ static void glTexParameteri(void *, GLenum, GLenum, int);
+ static void glTexParameteriv(void *, GLenum, GLenum, const int *);
+ static void glDeleteTextures(void *, int, const unsigned *);
+
+public:
+ const TextureMap &get_textures() const { return textures; }
+ const TextureState &get_texture(unsigned) const;
+ const TexUnitState &get_texture_unit(unsigned i) const { return texunits[i]; }
+
+private:
+ ShaderState *get_shader(unsigned, bool);
+ void delete_shader(unsigned);
+ ProgramState *get_program(unsigned, bool);
+ void delete_program(unsigned);
+
+ static void glCreateShader(void *, unsigned, GLenum);
+ static void glShaderSource(void *, unsigned, int, const char **, const int *);
+ static void glCompileShader(void *, unsigned);
+ static void glGetShaderiv(void *, unsigned, GLenum, int *);
+ static void glGetShaderInfoLog(void *, unsigned, int, int *, char *);
+ static void glDeleteShader(void *, unsigned);
+ static void glCreateProgram(void *, unsigned);
+ static void glAttachShader(void *, unsigned, unsigned);
+ static void glLinkProgram(void *, unsigned);
+ static void glGetProgramiv(void *, unsigned, GLenum, int *);
+ static void glGetProgramInfoLog(void *, unsigned, int, int *, char *);
+ static void glDeleteProgram(void *, unsigned);
+ static void glDeleteObjectARB(void *, unsigned);
+ static void glGetObjectParameterivARB(void *, unsigned, GLenum, int *);
+ static void glGetInfoLogARB(void *, unsigned, int, int *, char *);
+
+public:
+ const ShaderMap &get_shaders() const { return shaders; }
+ const ShaderState &get_shader(unsigned) const;
+ const ProgramMap &get_programs() const { return programs; }
+ const ProgramState &get_program(unsigned) const;
};
#endif