mirror of
https://github.com/ioquake/ioq3.git
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OpenGL2: Add new GL function loader.
This commit is contained in:
SmileTheory
parent
251c983681
commit
f0086e8c2a
2 changed files with 77 additions and 141 deletions
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@ -377,59 +377,74 @@ extern void (APIENTRYP qglUnlockArraysEXT) (void);
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#define qglVertexPointer glVertexPointer
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#define qglViewport glViewport
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// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
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// OpenGL 1.2, was GL_EXT_draw_range_elements
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extern void (APIENTRY * qglDrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
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#define QGL_1_2_PROCS \
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GLE(void, DrawRangeElements, GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices) \
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// OpenGL 1.3, was GL_ARB_texture_compression
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extern void (APIENTRY * qglCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
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extern void (APIENTRY * qglCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
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#define QGL_1_3_PROCS \
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GLE(void, CompressedTexImage2D, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data) \
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GLE(void, CompressedTexSubImage2D, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data) \
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// OpenGL 1.4, was GL_EXT_multi_draw_arrays
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extern void (APIENTRY * qglMultiDrawElements) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
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#define QGL_1_4_PROCS \
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GLE(void, MultiDrawElements, GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) \
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// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
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extern void (APIENTRY * qglGenQueries) (GLsizei n, GLuint *ids);
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extern void (APIENTRY * qglDeleteQueries) (GLsizei n, const GLuint *ids);
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extern void (APIENTRY * qglBeginQuery) (GLenum target, GLuint id);
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extern void (APIENTRY * qglEndQuery) (GLenum target);
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extern void (APIENTRY * qglGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params);
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extern void (APIENTRY * qglGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params);
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extern void (APIENTRY * qglBindBuffer) (GLenum target, GLuint buffer);
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extern void (APIENTRY * qglDeleteBuffers) (GLsizei n, const GLuint *buffers);
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extern void (APIENTRY * qglGenBuffers) (GLsizei n, GLuint *buffers);
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extern void (APIENTRY * qglBufferData) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
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extern void (APIENTRY * qglBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
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#define QGL_1_5_PROCS \
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GLE(void, GenQueries, GLsizei n, GLuint *ids) \
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GLE(void, DeleteQueries, GLsizei n, const GLuint *ids) \
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GLE(void, BeginQuery, GLenum target, GLuint id) \
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GLE(void, EndQuery, GLenum target) \
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GLE(void, GetQueryObjectiv, GLuint id, GLenum pname, GLint *params) \
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GLE(void, GetQueryObjectuiv, GLuint id, GLenum pname, GLuint *params) \
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GLE(void, BindBuffer, GLenum target, GLuint buffer) \
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GLE(void, DeleteBuffers, GLsizei n, const GLuint *buffers) \
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GLE(void, GenBuffers, GLsizei n, GLuint *buffers) \
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GLE(void, BufferData, GLenum target, GLsizeiptr size, const void *data, GLenum usage) \
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GLE(void, BufferSubData, GLenum target, GLintptr offset, GLsizeiptr size, const void *data) \
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// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
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extern void (APIENTRY * qglAttachShader) (GLuint program, GLuint shader);
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extern void (APIENTRY * qglBindAttribLocation) (GLuint program, GLuint index, const GLchar *name);
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extern void (APIENTRY * qglCompileShader) (GLuint shader);
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extern GLuint (APIENTRY * qglCreateProgram) (void);
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extern GLuint (APIENTRY * qglCreateShader) (GLenum type);
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extern void (APIENTRY * qglDeleteProgram) (GLuint program);
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extern void (APIENTRY * qglDeleteShader) (GLuint shader);
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extern void (APIENTRY * qglDetachShader) (GLuint program, GLuint shader);
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extern void (APIENTRY * qglDisableVertexAttribArray) (GLuint index);
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extern void (APIENTRY * qglEnableVertexAttribArray) (GLuint index);
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extern void (APIENTRY * qglGetActiveUniform) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
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extern void (APIENTRY * qglGetProgramiv) (GLuint program, GLenum pname, GLint *params);
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extern void (APIENTRY * qglGetProgramInfoLog) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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extern void (APIENTRY * qglGetShaderiv) (GLuint shader, GLenum pname, GLint *params);
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extern void (APIENTRY * qglGetShaderInfoLog) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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extern void (APIENTRY * qglGetShaderSource) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
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extern GLint (APIENTRY * qglGetUniformLocation) (GLuint program, const GLchar *name);
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extern void (APIENTRY * qglLinkProgram) (GLuint program);
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extern void (APIENTRY * qglShaderSource) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
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extern void (APIENTRY * qglUseProgram) (GLuint program);
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extern void (APIENTRY * qglUniform1f) (GLint location, GLfloat v0);
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extern void (APIENTRY * qglUniform2f) (GLint location, GLfloat v0, GLfloat v1);
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extern void (APIENTRY * qglUniform3f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
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extern void (APIENTRY * qglUniform4f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
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extern void (APIENTRY * qglUniform1i) (GLint location, GLint v0);
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extern void (APIENTRY * qglUniform1fv) (GLint location, GLsizei count, const GLfloat *value);
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extern void (APIENTRY * qglUniformMatrix4fv) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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extern void (APIENTRY * qglValidateProgram) (GLuint program);
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extern void (APIENTRY * qglVertexAttribPointer) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
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#define QGL_2_0_PROCS \
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GLE(void, AttachShader, GLuint program, GLuint shader) \
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GLE(void, BindAttribLocation, GLuint program, GLuint index, const GLchar *name) \
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GLE(void, CompileShader, GLuint shader) \
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GLE(GLuint, CreateProgram, void) \
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GLE(GLuint, CreateShader, GLenum type) \
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GLE(void, DeleteProgram, GLuint program) \
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GLE(void, DeleteShader, GLuint shader) \
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GLE(void, DetachShader, GLuint program, GLuint shader) \
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GLE(void, DisableVertexAttribArray, GLuint index) \
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GLE(void, EnableVertexAttribArray, GLuint index) \
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GLE(void, GetActiveUniform, GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) \
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GLE(void, GetProgramiv, GLuint program, GLenum pname, GLint *params) \
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GLE(void, GetProgramInfoLog, GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
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GLE(void, GetShaderiv, GLuint shader, GLenum pname, GLint *params) \
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GLE(void, GetShaderInfoLog, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog) \
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GLE(void, GetShaderSource, GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source) \
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GLE(GLint, GetUniformLocation, GLuint program, const GLchar *name) \
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GLE(void, LinkProgram, GLuint program) \
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GLE(void, ShaderSource, GLuint shader, GLsizei count, const GLchar* *string, const GLint *length) \
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GLE(void, UseProgram, GLuint program) \
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GLE(void, Uniform1f, GLint location, GLfloat v0) \
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GLE(void, Uniform2f, GLint location, GLfloat v0, GLfloat v1) \
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GLE(void, Uniform3f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2) \
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GLE(void, Uniform4f, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) \
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GLE(void, Uniform1i, GLint location, GLint v0) \
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GLE(void, Uniform1fv, GLint location, GLsizei count, const GLfloat *value) \
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GLE(void, UniformMatrix4fv, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) \
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GLE(void, ValidateProgram, GLuint program) \
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GLE(void, VertexAttribPointer, GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer) \
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#define GLE(ret, name, ...) typedef ret APIENTRY name##proc(__VA_ARGS__); extern name##proc * qgl##name;
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QGL_1_2_PROCS
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QGL_1_3_PROCS
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QGL_1_4_PROCS
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QGL_1_5_PROCS
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QGL_2_0_PROCS
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#undef GLE
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// GL_NVX_gpu_memory_info
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#ifndef GL_NVX_gpu_memory_info
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@ -30,59 +30,13 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "tr_local.h"
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#include "tr_dsa.h"
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// OpenGL 1.2, was GL_EXT_draw_range_elements
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void (APIENTRY * qglDrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
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// OpenGL 1.3, was GL_ARB_texture_compression
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void (APIENTRY * qglCompressedTexImage2D) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
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void (APIENTRY * qglCompressedTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
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// OpenGL 1.4, was GL_EXT_multi_draw_arrays
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void (APIENTRY * qglMultiDrawElements) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount);
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// OpenGL 1.5, previously GL_ARB_vertex_buffer_object
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void (APIENTRY * qglGenQueries) (GLsizei n, GLuint *ids);
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void (APIENTRY * qglDeleteQueries) (GLsizei n, const GLuint *ids);
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void (APIENTRY * qglBeginQuery) (GLenum target, GLuint id);
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void (APIENTRY * qglEndQuery) (GLenum target);
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void (APIENTRY * qglGetQueryObjectiv) (GLuint id, GLenum pname, GLint *params);
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void (APIENTRY * qglGetQueryObjectuiv) (GLuint id, GLenum pname, GLuint *params);
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void (APIENTRY * qglBindBuffer) (GLenum target, GLuint buffer);
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void (APIENTRY * qglDeleteBuffers) (GLsizei n, const GLuint *buffers);
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void (APIENTRY * qglGenBuffers) (GLsizei n, GLuint *buffers);
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void (APIENTRY * qglBufferData) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
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void (APIENTRY * qglBufferSubData) (GLenum target, GLintptr offset, GLsizeiptr size, const void *data);
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// OpenGL 2.0, previously GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
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void (APIENTRY * qglAttachShader) (GLuint program, GLuint shader);
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void (APIENTRY * qglBindAttribLocation) (GLuint program, GLuint index, const GLchar *name);
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void (APIENTRY * qglCompileShader) (GLuint shader);
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GLuint(APIENTRY * qglCreateProgram) (void);
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GLuint(APIENTRY * qglCreateShader) (GLenum type);
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void (APIENTRY * qglDeleteProgram) (GLuint program);
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void (APIENTRY * qglDeleteShader) (GLuint shader);
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void (APIENTRY * qglDetachShader) (GLuint program, GLuint shader);
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void (APIENTRY * qglDisableVertexAttribArray) (GLuint index);
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void (APIENTRY * qglEnableVertexAttribArray) (GLuint index);
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void (APIENTRY * qglGetActiveUniform) (GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
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void (APIENTRY * qglGetProgramiv) (GLuint program, GLenum pname, GLint *params);
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void (APIENTRY * qglGetProgramInfoLog) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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void (APIENTRY * qglGetShaderiv) (GLuint shader, GLenum pname, GLint *params);
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void (APIENTRY * qglGetShaderInfoLog) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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void (APIENTRY * qglGetShaderSource) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source);
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GLint(APIENTRY * qglGetUniformLocation) (GLuint program, const GLchar *name);
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void (APIENTRY * qglLinkProgram) (GLuint program);
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void (APIENTRY * qglShaderSource) (GLuint shader, GLsizei count, const GLchar* *string, const GLint *length);
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void (APIENTRY * qglUseProgram) (GLuint program);
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void (APIENTRY * qglUniform1f) (GLint location, GLfloat v0);
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void (APIENTRY * qglUniform2f) (GLint location, GLfloat v0, GLfloat v1);
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void (APIENTRY * qglUniform3f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
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void (APIENTRY * qglUniform4f) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
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void (APIENTRY * qglUniform1i) (GLint location, GLint v0);
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void (APIENTRY * qglUniform1fv) (GLint location, GLsizei count, const GLfloat *value);
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void (APIENTRY * qglUniformMatrix4fv) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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void (APIENTRY * qglValidateProgram) (GLuint program);
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void (APIENTRY * qglVertexAttribPointer) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
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#define GLE(ret, name, ...) name##proc * qgl##name;
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QGL_1_2_PROCS;
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QGL_1_3_PROCS;
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QGL_1_4_PROCS;
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QGL_1_5_PROCS;
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QGL_2_0_PROCS;
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#undef GLE
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// GL_EXT_framebuffer_object
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GLboolean (APIENTRY * qglIsRenderbufferEXT)(GLuint renderbuffer);
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@ -193,64 +147,31 @@ void GLimp_InitExtraExtensions()
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ri.Error(ERR_FATAL, "OpenGL 2.0 required!");
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ri.Printf(PRINT_ALL, "...using OpenGL %s\n", glConfig.version_string);
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// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
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#define GLE(ret, name, ...) qgl##name = (name##proc *) SDL_GL_GetProcAddress("gl" #name);
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// OpenGL 1.2, was GL_EXT_draw_range_elements
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qglDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)SDL_GL_GetProcAddress("glDrawRangeElements");
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QGL_1_2_PROCS;
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glRefConfig.drawRangeElements = r_ext_draw_range_elements->integer ? qtrue : qfalse;
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ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glDrawRangeElements()");
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// OpenGL 1.3, was GL_ARB_texture_compression
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qglCompressedTexImage2D = (PFNGLCOMPRESSEDTEXIMAGE2DPROC) SDL_GL_GetProcAddress("glCompressedTexImage2D");
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qglCompressedTexSubImage2D = (PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC) SDL_GL_GetProcAddress("qglCompressedTexSubImage2D");
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QGL_1_3_PROCS;
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// OpenGL 1.4, was GL_EXT_multi_draw_arrays
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qglMultiDrawElements = (PFNGLMULTIDRAWELEMENTSPROC)SDL_GL_GetProcAddress("glMultiDrawElements");
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QGL_1_4_PROCS;
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glRefConfig.drawRangeElements = r_ext_multi_draw_arrays->integer ? qtrue : qfalse;
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ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glMultiDrawElements()");
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// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
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qglGenQueries = (PFNGLGENQUERIESPROC) SDL_GL_GetProcAddress("glGenQueries");
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qglDeleteQueries = (PFNGLDELETEQUERIESPROC) SDL_GL_GetProcAddress("glDeleteQueries");
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qglBeginQuery = (PFNGLBEGINQUERYPROC) SDL_GL_GetProcAddress("glBeginQuery");
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qglEndQuery = (PFNGLENDQUERYPROC) SDL_GL_GetProcAddress("glEndQuery");
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qglGetQueryObjectiv = (PFNGLGETQUERYOBJECTIVPROC) SDL_GL_GetProcAddress("glGetQueryObjectiv");
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qglGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC) SDL_GL_GetProcAddress("glGetQueryObjectuiv");
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qglBindBuffer = (PFNGLBINDBUFFERPROC) SDL_GL_GetProcAddress("glBindBuffer");
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qglDeleteBuffers = (PFNGLDELETEBUFFERSPROC) SDL_GL_GetProcAddress("glDeleteBuffers");
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qglGenBuffers = (PFNGLGENBUFFERSPROC) SDL_GL_GetProcAddress("glGenBuffers");
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qglBufferData = (PFNGLBUFFERDATAPROC) SDL_GL_GetProcAddress("glBufferData");
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qglBufferSubData = (PFNGLBUFFERSUBDATAPROC) SDL_GL_GetProcAddress("glBufferSubData");
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QGL_1_5_PROCS;
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glRefConfig.occlusionQuery = qtrue;
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// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
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qglAttachShader = (PFNGLATTACHSHADERPROC) SDL_GL_GetProcAddress("glAttachShader");
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qglBindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC) SDL_GL_GetProcAddress("glBindAttribLocation");
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qglCompileShader = (PFNGLCOMPILESHADERPROC) SDL_GL_GetProcAddress("glCompileShader");
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qglCreateProgram = (PFNGLCREATEPROGRAMPROC) SDL_GL_GetProcAddress("glCreateProgram");
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qglCreateShader = (PFNGLCREATESHADERPROC) SDL_GL_GetProcAddress("glCreateShader");
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qglDeleteProgram = (PFNGLDELETEPROGRAMPROC) SDL_GL_GetProcAddress("glDeleteProgram");
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qglDeleteShader = (PFNGLDELETESHADERPROC) SDL_GL_GetProcAddress("glDeleteShader");
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qglDetachShader = (PFNGLDETACHSHADERPROC) SDL_GL_GetProcAddress("glDetachShader");
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qglDisableVertexAttribArray = (PFNGLDISABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glDisableVertexAttribArray");
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qglEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC) SDL_GL_GetProcAddress("glEnableVertexAttribArray");
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qglGetActiveUniform = (PFNGLGETACTIVEUNIFORMPROC) SDL_GL_GetProcAddress("glGetActiveUniform");
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qglGetProgramiv = (PFNGLGETPROGRAMIVPROC) SDL_GL_GetProcAddress("glGetProgramiv");
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qglGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC) SDL_GL_GetProcAddress("glGetProgramInfoLog");
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qglGetShaderiv = (PFNGLGETSHADERIVPROC) SDL_GL_GetProcAddress("glGetShaderiv");
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qglGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC) SDL_GL_GetProcAddress("glGetShaderInfoLog");
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qglGetShaderSource = (PFNGLGETSHADERSOURCEPROC) SDL_GL_GetProcAddress("glGetShaderSource");
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qglGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) SDL_GL_GetProcAddress("glGetUniformLocation");
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qglLinkProgram = (PFNGLLINKPROGRAMPROC) SDL_GL_GetProcAddress("glLinkProgram");
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qglShaderSource = (PFNGLSHADERSOURCEPROC) SDL_GL_GetProcAddress("glShaderSource");
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qglUseProgram = (PFNGLUSEPROGRAMPROC) SDL_GL_GetProcAddress("glUseProgram");
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qglUniform1f = (PFNGLUNIFORM1FPROC) SDL_GL_GetProcAddress("glUniform1f");
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qglUniform2f = (PFNGLUNIFORM2FPROC) SDL_GL_GetProcAddress("glUniform2f");
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qglUniform3f = (PFNGLUNIFORM3FPROC) SDL_GL_GetProcAddress("glUniform3f");
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qglUniform4f = (PFNGLUNIFORM4FPROC) SDL_GL_GetProcAddress("glUniform4f");
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qglUniform1i = (PFNGLUNIFORM1IPROC) SDL_GL_GetProcAddress("glUniform1i");
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qglUniform1fv = (PFNGLUNIFORM1FVPROC) SDL_GL_GetProcAddress("glUniform1fv");
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qglUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC) SDL_GL_GetProcAddress("glUniformMatrix4fv");
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qglValidateProgram = (PFNGLVALIDATEPROGRAMPROC) SDL_GL_GetProcAddress("glValidateProgram");
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qglVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC) SDL_GL_GetProcAddress("glVertexAttribPointer");
|
||||
QGL_2_0_PROCS;
|
||||
|
||||
#undef GLE
|
||||
|
||||
if (1)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue