#include <stdint.h>
#include <stdlib.h>
#include "SDL_platform.h"
#include <math.h>
#include <string.h>
#include "stb_image.h"
#include "stb_image_write.h"

Macros
#define	GLAPIENTRY

#define	intptr_t long

#define	M_PI 3.14159265358979323846

#define	static_inline static inline

#define	GPU_BLIT_BUFFER_VERTICES_PER_SPRITE 4

#define	GPU_BLIT_BUFFER_INIT_MAX_NUM_VERTICES (GPU_BLIT_BUFFER_VERTICES_PER_SPRITE*1000)

#define	GPU_BLIT_BUFFER_ABSOLUTE_MAX_VERTICES 60000

#define	GPU_INDEX_BUFFER_ABSOLUTE_MAX_VERTICES 4000000000u

#define	GPU_BLIT_BUFFER_FLOATS_PER_VERTEX 8

#define	GPU_BLIT_BUFFER_STRIDE (sizeof(float)*GPU_BLIT_BUFFER_FLOATS_PER_VERTEX)

#define	GPU_BLIT_BUFFER_VERTEX_OFFSET 0

#define	GPU_BLIT_BUFFER_TEX_COORD_OFFSET 2

#define	GPU_BLIT_BUFFER_COLOR_OFFSET 4

#define	SDL_Window SDL_Surface

#define	GET_ALPHA(sdl_color) ((sdl_color).unused)

#define	SDL_GPU_DISABLE_SHADERS

#define	MIX_COLOR_COMPONENT_NORMALIZED_RESULT(a, b) ((a)/255.0f * (b)/255.0f)

#define	MIX_COLOR_COMPONENT(a, b) (((a)/255.0f * (b)/255.0f)*255)

#define	SET_TEXTURED_VERTEX(x, y, s, t, r, g, b, a)

#define	SET_TEXTURED_VERTEX_UNINDEXED(x, y, s, t, r, g, b, a)

#define	SET_UNTEXTURED_VERTEX(x, y, r, g, b, a)

#define	SET_UNTEXTURED_VERTEX_UNINDEXED(x, y, r, g, b, a)

#define	SET_INDEXED_VERTEX(offset) index_buffer[cdata->index_buffer_num_vertices++] = blit_buffer_starting_index + (offset);

#define	SET_RELATIVE_INDEXED_VERTEX(offset) index_buffer[cdata->index_buffer_num_vertices++] = cdata->blit_buffer_num_vertices + (offset);

#define	BEGIN_UNTEXTURED_SEGMENTS(x1, y1, x2, y2, r, g, b, a)

#define	SET_UNTEXTURED_SEGMENTS(x1, y1, x2, y2, r, g, b, a)

#define	LOOP_UNTEXTURED_SEGMENTS()

#define	END_UNTEXTURED_SEGMENTS(x1, y1, x2, y2, r, g, b, a)

#define	MAX(a, b) ((a) > (b)? (a) : (b))

#define	SET_COMMON_FUNCTIONS(impl)

Functions
int	gpu_strcasecmp (const char s1, const char s2)

static_inline SDL_Window *	get_window (Uint32 windowID)

static_inline Uint32	get_window_id (SDL_Surface *window)

static_inline void	get_window_dimensions (SDL_Window window, int w, int *h)

static_inline void	get_drawable_dimensions (SDL_Window window, int w, int *h)

static_inline void	resize_window (GPU_Target *target, int w, int h)

static_inline GPU_bool	get_fullscreen_state (SDL_Window *window)

static_inline GPU_bool	has_colorkey (SDL_Surface *surface)

static_inline void	get_target_window_dimensions (GPU_Target target, int w, int *h)

static_inline void	get_target_drawable_dimensions (GPU_Target target, int w, int *h)

static_inline void	fast_upload_texture (const void *pixels, GPU_Rect update_rect, Uint32 format, int alignment, int row_length)

static_inline void	upload_texture (const void *pixels, GPU_Rect update_rect, Uint32 format, int alignment, int row_length, unsigned int pitch, int bytes_per_pixel)

static_inline void	upload_new_texture (void *pixels, GPU_Rect update_rect, Uint32 format, int alignment, int row_length, int bytes_per_pixel)

static_inline GPU_bool	isPowerOfTwo (unsigned int x)

static_inline unsigned int	getNearestPowerOf2 (unsigned int n)

static_inline void	flushAndBindTexture (GPU_Renderer *renderer, GLuint handle)

static_inline void	flushAndBindFramebuffer (GPU_Renderer *renderer, GLuint handle)

static_inline void	flushBlitBufferIfCurrentTexture (GPU_Renderer renderer, GPU_Image image)

static_inline void	flushAndClearBlitBufferIfCurrentTexture (GPU_Renderer renderer, GPU_Image image)

static_inline GPU_bool	isCurrentTarget (GPU_Renderer renderer, GPU_Target target)

static_inline void	flushAndClearBlitBufferIfCurrentFramebuffer (GPU_Renderer renderer, GPU_Target target)

static_inline Uint32	getPixel (SDL_Surface *Surface, int x, int y)

static_inline void	submit_buffer_data (int bytes, float values, int bytes_indices, unsigned short indices)

Variables
static GLuint	framebuffer = glBindFramebufferNOOP

static const GLuint *	framebuffers = glDeleteFramebuffersNOOP

static GLenum	attachment

static GLenum GLenum	textarget

static GLenum GLenum GLuint	texture

static GLenum GLenum GLuint GLint	level = glFramebufferTexture2DNOOP

static GLuint *	ids = glGenFramebuffersNOOP

Macro Definition Documentation

◆ BEGIN_UNTEXTURED_SEGMENTS

#define BEGIN_UNTEXTURED_SEGMENTS	(	x1,
		y1,
		x2,
		y2,
		r,
		g,
		b,
		a
	)

Value:

SET_UNTEXTURED_VERTEX(x1, y1, r, g, b, a); \

SET_UNTEXTURED_VERTEX(x2, y2, r, g, b, a);

SET_UNTEXTURED_VERTEX

#define SET_UNTEXTURED_VERTEX(x, y, r, g, b, a)

Definition: renderer_GL_common.inl:4002

Definition at line 4031 of file renderer_GL_common.inl.

◆ END_UNTEXTURED_SEGMENTS

#define END_UNTEXTURED_SEGMENTS	(	x1,
		y1,
		x2,
		y2,
		r,
		g,
		b,
		a
	)

Value:

SET_UNTEXTURED_VERTEX(x1, y1, r, g, b, a); \
    SET_RELATIVE_INDEXED_VERTEX(-2); \
    SET_UNTEXTURED_VERTEX(x2, y2, r, g, b, a); \
    SET_RELATIVE_INDEXED_VERTEX(-2);

Definition at line 4051 of file renderer_GL_common.inl.

◆ GET_ALPHA

#define GET_ALPHA ( sdl_color ) ((sdl_color).unused)

Definition at line 151 of file renderer_GL_common.inl.

◆ GLAPIENTRY

#define GLAPIENTRY

Definition at line 8 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_ABSOLUTE_MAX_VERTICES

#define GPU_BLIT_BUFFER_ABSOLUTE_MAX_VERTICES 60000

Definition at line 90 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_COLOR_OFFSET

#define GPU_BLIT_BUFFER_COLOR_OFFSET 4

Definition at line 102 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_FLOATS_PER_VERTEX

#define GPU_BLIT_BUFFER_FLOATS_PER_VERTEX 8

Definition at line 96 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_INIT_MAX_NUM_VERTICES

#define GPU_BLIT_BUFFER_INIT_MAX_NUM_VERTICES (GPU_BLIT_BUFFER_VERTICES_PER_SPRITE*1000)

Definition at line 86 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_STRIDE

#define GPU_BLIT_BUFFER_STRIDE (sizeof(float)*GPU_BLIT_BUFFER_FLOATS_PER_VERTEX)

Definition at line 99 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_TEX_COORD_OFFSET

#define GPU_BLIT_BUFFER_TEX_COORD_OFFSET 2

Definition at line 101 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_VERTEX_OFFSET

#define GPU_BLIT_BUFFER_VERTEX_OFFSET 0

Definition at line 100 of file renderer_GL_common.inl.

◆ GPU_BLIT_BUFFER_VERTICES_PER_SPRITE

#define GPU_BLIT_BUFFER_VERTICES_PER_SPRITE 4

Definition at line 85 of file renderer_GL_common.inl.

◆ GPU_INDEX_BUFFER_ABSOLUTE_MAX_VERTICES

#define GPU_INDEX_BUFFER_ABSOLUTE_MAX_VERTICES 4000000000u

Definition at line 92 of file renderer_GL_common.inl.

◆ intptr_t

#define intptr_t long

Definition at line 23 of file renderer_GL_common.inl.

◆ LOOP_UNTEXTURED_SEGMENTS

#define LOOP_UNTEXTURED_SEGMENTS ( )

Value:

SET_INDEXED_VERTEX(0); \
    SET_RELATIVE_INDEXED_VERTEX(-1); \
    SET_INDEXED_VERTEX(1); \
    SET_INDEXED_VERTEX(0);

Definition at line 4045 of file renderer_GL_common.inl.

◆ M_PI

#define M_PI 3.14159265358979323846

Definition at line 30 of file renderer_GL_common.inl.

◆ MAX

#define MAX	(	a,
		b
	)	((a) > (b)? (a) : (b))

Definition at line 5539 of file renderer_GL_common.inl.

◆ MIX_COLOR_COMPONENT

#define MIX_COLOR_COMPONENT	(	a,
		b
	)	(((a)/255.0f * (b)/255.0f)*255)

Definition at line 988 of file renderer_GL_common.inl.

◆ MIX_COLOR_COMPONENT_NORMALIZED_RESULT

#define MIX_COLOR_COMPONENT_NORMALIZED_RESULT	(	a,
		b
	)	((a)/255.0f * (b)/255.0f)

Definition at line 987 of file renderer_GL_common.inl.

◆ SDL_GPU_DISABLE_SHADERS

#define SDL_GPU_DISABLE_SHADERS

Definition at line 223 of file renderer_GL_common.inl.

◆ SDL_Window

#define SDL_Window SDL_Surface

Definition at line 150 of file renderer_GL_common.inl.

◆ SET_COMMON_FUNCTIONS

#define SET_COMMON_FUNCTIONS ( impl )

Definition at line 6761 of file renderer_GL_common.inl.

◆ SET_INDEXED_VERTEX

#define SET_INDEXED_VERTEX ( offset ) index_buffer[cdata->index_buffer_num_vertices++] = blit_buffer_starting_index + (offset);

Definition at line 4023 of file renderer_GL_common.inl.

◆ SET_RELATIVE_INDEXED_VERTEX

#define SET_RELATIVE_INDEXED_VERTEX ( offset ) index_buffer[cdata->index_buffer_num_vertices++] = cdata->blit_buffer_num_vertices + (offset);

Definition at line 4026 of file renderer_GL_common.inl.

◆ SET_TEXTURED_VERTEX

#define SET_TEXTURED_VERTEX	(	x,
		y,
		s,
		t,
		r,
		g,
		b,
		a
	)

Value:

blit_buffer[vert_index] = x; \
    blit_buffer[vert_index+1] = y; \
    blit_buffer[tex_index] = s; \
    blit_buffer[tex_index+1] = t; \
    blit_buffer[color_index] = r; \
    blit_buffer[color_index+1] = g; \
    blit_buffer[color_index+2] = b; \
    blit_buffer[color_index+3] = a; \
    index_buffer[cdata->index_buffer_num_vertices++] = cdata->blit_buffer_num_vertices++; \
    vert_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    tex_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    color_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX;

Definition at line 3975 of file renderer_GL_common.inl.

◆ SET_TEXTURED_VERTEX_UNINDEXED

#define SET_TEXTURED_VERTEX_UNINDEXED	(	x,
		y,
		s,
		t,
		r,
		g,
		b,
		a
	)

Value:

blit_buffer[vert_index] = x; \
    blit_buffer[vert_index+1] = y; \
    blit_buffer[tex_index] = s; \
    blit_buffer[tex_index+1] = t; \
    blit_buffer[color_index] = r; \
    blit_buffer[color_index+1] = g; \
    blit_buffer[color_index+2] = b; \
    blit_buffer[color_index+3] = a; \
    vert_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    tex_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    color_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX;

Definition at line 3989 of file renderer_GL_common.inl.

◆ SET_UNTEXTURED_SEGMENTS

#define SET_UNTEXTURED_SEGMENTS	(	x1,
		y1,
		x2,
		y2,
		r,
		g,
		b,
		a
	)

Value:

SET_UNTEXTURED_VERTEX(x1, y1, r, g, b, a); \
    SET_RELATIVE_INDEXED_VERTEX(-2); \
    SET_UNTEXTURED_VERTEX(x2, y2, r, g, b, a); \
    SET_RELATIVE_INDEXED_VERTEX(-2); \
    SET_RELATIVE_INDEXED_VERTEX(-2); \
    SET_RELATIVE_INDEXED_VERTEX(-1);

Definition at line 4036 of file renderer_GL_common.inl.

◆ SET_UNTEXTURED_VERTEX

#define SET_UNTEXTURED_VERTEX	(	x,
		y,
		r,
		g,
		b,
		a
	)

Value:

blit_buffer[vert_index] = x; \
    blit_buffer[vert_index+1] = y; \
    blit_buffer[color_index] = r; \
    blit_buffer[color_index+1] = g; \
    blit_buffer[color_index+2] = b; \
    blit_buffer[color_index+3] = a; \
    index_buffer[cdata->index_buffer_num_vertices++] = cdata->blit_buffer_num_vertices++; \
    vert_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    color_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX;

Definition at line 4002 of file renderer_GL_common.inl.

◆ SET_UNTEXTURED_VERTEX_UNINDEXED

#define SET_UNTEXTURED_VERTEX_UNINDEXED	(	x,
		y,
		r,
		g,
		b,
		a
	)

Value:

blit_buffer[vert_index] = x; \
    blit_buffer[vert_index+1] = y; \
    blit_buffer[color_index] = r; \
    blit_buffer[color_index+1] = g; \
    blit_buffer[color_index+2] = b; \
    blit_buffer[color_index+3] = a; \
    vert_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX; \
    color_index += GPU_BLIT_BUFFER_FLOATS_PER_VERTEX;

Definition at line 4013 of file renderer_GL_common.inl.

◆ static_inline

#define static_inline static inline

Definition at line 38 of file renderer_GL_common.inl.

Function Documentation

◆ fast_upload_texture()

static_inline void fast_upload_texture	(	const void *	pixels,
		GPU_Rect	update_rect,
		Uint32	format,
		int	alignment,
		int	row_length
	)

Definition at line 273 of file renderer_GL_common.inl.

◆ flushAndBindFramebuffer()

static_inline void flushAndBindFramebuffer	(	GPU_Renderer *	renderer,
		GLuint	handle
	)

Definition at line 651 of file renderer_GL_common.inl.

◆ flushAndBindTexture()

static_inline void flushAndBindTexture	(	GPU_Renderer *	renderer,
		GLuint	handle
	)

Definition at line 611 of file renderer_GL_common.inl.

◆ flushAndClearBlitBufferIfCurrentFramebuffer()

static_inline void flushAndClearBlitBufferIfCurrentFramebuffer	(	GPU_Renderer *	renderer,
		GPU_Target *	target
	)

Definition at line 683 of file renderer_GL_common.inl.

◆ flushAndClearBlitBufferIfCurrentTexture()

static_inline void flushAndClearBlitBufferIfCurrentTexture	(	GPU_Renderer *	renderer,
		GPU_Image *	image
	)

Definition at line 668 of file renderer_GL_common.inl.

◆ flushBlitBufferIfCurrentTexture()

static_inline void flushBlitBufferIfCurrentTexture	(	GPU_Renderer *	renderer,
		GPU_Image *	image
	)

Definition at line 660 of file renderer_GL_common.inl.

◆ get_drawable_dimensions()

static_inline void get_drawable_dimensions	(	SDL_Window *	window,
		int *	w,
		int *	h
	)

Definition at line 171 of file renderer_GL_common.inl.

◆ get_fullscreen_state()

static_inline GPU_bool get_fullscreen_state ( SDL_Window * window )

Definition at line 186 of file renderer_GL_common.inl.

◆ get_target_drawable_dimensions()

static_inline void get_target_drawable_dimensions	(	GPU_Target *	target,
		int *	w,
		int *	h
	)

Definition at line 209 of file renderer_GL_common.inl.

◆ get_target_window_dimensions()

static_inline void get_target_window_dimensions	(	GPU_Target *	target,
		int *	w,
		int *	h
	)

Definition at line 200 of file renderer_GL_common.inl.

◆ get_window()

static_inline SDL_Window* get_window ( Uint32 windowID )

Definition at line 153 of file renderer_GL_common.inl.

◆ get_window_dimensions()

static_inline void get_window_dimensions	(	SDL_Window *	window,
		int *	w,
		int *	h
	)

Definition at line 163 of file renderer_GL_common.inl.

◆ get_window_id()

static_inline Uint32 get_window_id ( SDL_Surface * window )

Definition at line 158 of file renderer_GL_common.inl.

◆ getNearestPowerOf2()

static_inline unsigned int getNearestPowerOf2 ( unsigned int n )

Definition at line 588 of file renderer_GL_common.inl.

◆ getPixel()

static_inline Uint32 getPixel	(	SDL_Surface *	Surface,
		int	x,
		int	y
	)

Definition at line 3653 of file renderer_GL_common.inl.

◆ gpu_strcasecmp()

int gpu_strcasecmp	(	const char *	s1,
		const char *	s2
	)

Definition at line 2512 of file SDL_gpu.c.

◆ has_colorkey()

static_inline GPU_bool has_colorkey ( SDL_Surface * surface )

Definition at line 191 of file renderer_GL_common.inl.

◆ isCurrentTarget()

static_inline GPU_bool isCurrentTarget	(	GPU_Renderer *	renderer,
		GPU_Target *	target
	)

Definition at line 677 of file renderer_GL_common.inl.

◆ isPowerOfTwo()

static_inline GPU_bool isPowerOfTwo ( unsigned int x )

Definition at line 583 of file renderer_GL_common.inl.

◆ resize_window()

static_inline void resize_window	(	GPU_Target *	target,
		int	w,
		int	h
	)

Definition at line 176 of file renderer_GL_common.inl.

◆ submit_buffer_data()

static_inline void submit_buffer_data	(	int	bytes,
		float *	values,
		int	bytes_indices,
		unsigned short *	indices
	)

Definition at line 4623 of file renderer_GL_common.inl.

◆ upload_new_texture()

static_inline void upload_new_texture	(	void *	pixels,
		GPU_Rect	update_rect,
		Uint32	format,
		int	alignment,
		int	row_length,
		int	bytes_per_pixel
	)

Definition at line 349 of file renderer_GL_common.inl.

◆ upload_texture()

static_inline void upload_texture	(	const void *	pixels,
		GPU_Rect	update_rect,
		Uint32	format,
		int	alignment,
		int	row_length,
		unsigned int	pitch,
		int	bytes_per_pixel
	)

Definition at line 336 of file renderer_GL_common.inl.

Variable Documentation

◆ attachment

GLenum attachment

Definition at line 403 of file renderer_GL_common.inl.

◆ framebuffer

GLuint framebuffer = glBindFramebufferNOOP

Definition at line 400 of file renderer_GL_common.inl.

◆ framebuffers

const GLuint* framebuffers = glDeleteFramebuffersNOOP

Definition at line 402 of file renderer_GL_common.inl.

◆ ids

GLuint* ids = glGenFramebuffersNOOP

Definition at line 404 of file renderer_GL_common.inl.

◆ level

GLenum GLenum GLuint GLint level = glFramebufferTexture2DNOOP

Definition at line 403 of file renderer_GL_common.inl.

◆ textarget

GLenum GLenum textarget

Definition at line 403 of file renderer_GL_common.inl.

◆ texture

GLenum GLenum GLuint texture

Definition at line 403 of file renderer_GL_common.inl.

Macros

Functions

Variables

Macro Definition Documentation

◆ BEGIN_UNTEXTURED_SEGMENTS

◆ END_UNTEXTURED_SEGMENTS

◆ GET_ALPHA

◆ GLAPIENTRY

◆ GPU_BLIT_BUFFER_ABSOLUTE_MAX_VERTICES

◆ GPU_BLIT_BUFFER_COLOR_OFFSET

◆ GPU_BLIT_BUFFER_FLOATS_PER_VERTEX

◆ GPU_BLIT_BUFFER_INIT_MAX_NUM_VERTICES

◆ GPU_BLIT_BUFFER_STRIDE

◆ GPU_BLIT_BUFFER_TEX_COORD_OFFSET

◆ GPU_BLIT_BUFFER_VERTEX_OFFSET

◆ GPU_BLIT_BUFFER_VERTICES_PER_SPRITE

◆ GPU_INDEX_BUFFER_ABSOLUTE_MAX_VERTICES

◆ intptr_t

◆ LOOP_UNTEXTURED_SEGMENTS

◆ M_PI

◆ MAX

◆ MIX_COLOR_COMPONENT

◆ MIX_COLOR_COMPONENT_NORMALIZED_RESULT

◆ SDL_GPU_DISABLE_SHADERS

◆ SDL_Window

◆ SET_COMMON_FUNCTIONS

◆ SET_INDEXED_VERTEX

◆ SET_RELATIVE_INDEXED_VERTEX

◆ SET_TEXTURED_VERTEX

◆ SET_TEXTURED_VERTEX_UNINDEXED

◆ SET_UNTEXTURED_SEGMENTS

◆ SET_UNTEXTURED_VERTEX

◆ SET_UNTEXTURED_VERTEX_UNINDEXED

◆ static_inline

Function Documentation

◆ fast_upload_texture()

◆ flushAndBindFramebuffer()

◆ flushAndBindTexture()

◆ flushAndClearBlitBufferIfCurrentFramebuffer()

◆ flushAndClearBlitBufferIfCurrentTexture()

◆ flushBlitBufferIfCurrentTexture()

◆ get_drawable_dimensions()

◆ get_fullscreen_state()

◆ get_target_drawable_dimensions()

◆ get_target_window_dimensions()

◆ get_window()

◆ get_window_dimensions()

◆ get_window_id()

◆ getNearestPowerOf2()

◆ getPixel()

◆ gpu_strcasecmp()

◆ has_colorkey()

◆ isCurrentTarget()

◆ isPowerOfTwo()

◆ resize_window()

◆ submit_buffer_data()

◆ upload_new_texture()

◆ upload_texture()

Variable Documentation

◆ attachment

◆ framebuffer

◆ framebuffers

◆ ids

◆ level

◆ textarget

◆ texture