main.cpp File Reference

#include "ramses-client.h"
#include "ramses-renderer-api/RamsesRenderer.h"
#include "ramses-renderer-api/DisplayConfig.h"
#include "ramses-renderer-api/IRendererEventHandler.h"
#include "ramses-renderer-api/IRendererSceneControlEventHandler.h"
#include "ramses-renderer-api/RendererSceneControl.h"
#include "ramses-utils.h"
#include <unordered_set>
#include <unordered_map>
#include <thread>
#include <cstring>
#include <sys/mman.h>
#include <unistd.h>
#include "linux/dma-buf.h"
#include "linux/ioctl.h"
#include <sys/ioctl.h>
#include <drm_fourcc.h>
#include <gbm.h>

Classes
struct	BufferInfo

Functions
ramses::Effect &	createEffect (ramses::Scene &scene, const std::string &effectName)
ramses::MeshNode &	createQuadWithTexture (ramses::Scene &scene, ramses::Effect &effect, ramses::TextureSampler &textureSampler)
ramses::Scene &	createMainScene (ramses::RamsesClient &client, ramses::sceneId_t sceneId, ramses::waylandIviSurfaceId_t streamId, const std::string &processingOutputSamplerName)
ramses::Scene &	createSourceScene (ramses::RamsesClient &client, ramses::sceneId_t sceneId, ramses::waylandIviSurfaceId_t streamId)
ramses::displayBufferId_t	createDmaOffscreenBuffer (ramses::RamsesRenderer &renderer, ramses::displayId_t display)
bool	mapDmaOffscreenBuffer (ramses::RamsesRenderer &renderer, ramses::displayId_t display, ramses::displayBufferId_t displayBuffer, bool readyOnly)
bool	startBufferAccess (ramses::displayBufferId_t displayBuffer)
bool	endBufferAccess (ramses::displayBufferId_t displayBuffer)
bool	doProcessing (ramses::displayBufferId_t inputBuffer, ramses::displayBufferId_t outputBuffer)
int	main (int argc, char *argv[])

Variables
constexpr const char *const	vertexShader
constexpr const char *const	fragmentShader
std::unordered_map< ramses::displayBufferId_t, BufferInfo >	bufferInfoMap

Function Documentation

createDmaOffscreenBuffer()

ramses::displayBufferId_t createDmaOffscreenBuffer	(	ramses::RamsesRenderer &	renderer,
		ramses::displayId_t	display
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

createEffect()

ramses::Effect& createEffect	(	ramses::Scene &	scene,
		const std::string &	effectName
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp, and ramses-example-local-offscreenbuffer/src/main.cpp.

createMainScene()

ramses::Scene& createMainScene	(	ramses::RamsesClient &	client,
		ramses::sceneId_t	sceneId,
		ramses::waylandIviSurfaceId_t	streamId,
		const std::string &	processingOutputSamplerName
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

createQuadWithTexture()

ramses::MeshNode& createQuadWithTexture	(	ramses::Scene &	scene,
		ramses::Effect &	effect,
		ramses::TextureSampler &	textureSampler
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

createSourceScene()

ramses::Scene& createSourceScene	(	ramses::RamsesClient &	client,
		ramses::sceneId_t	sceneId,
		ramses::waylandIviSurfaceId_t	streamId
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

doProcessing()

bool doProcessing	(	ramses::displayBufferId_t	inputBuffer,
		ramses::displayBufferId_t	outputBuffer
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

endBufferAccess()

bool endBufferAccess

(

ramses::displayBufferId_t

displayBuffer

)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

main()

int main	(	int	argc,
		char *	argv[]
	)

mapDmaOffscreenBuffer()

bool mapDmaOffscreenBuffer	(	ramses::RamsesRenderer &	renderer,
		ramses::displayId_t	display,
		ramses::displayBufferId_t	displayBuffer,
		bool	readyOnly
	)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

startBufferAccess()

bool startBufferAccess

(

ramses::displayBufferId_t

displayBuffer

)

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

Variable Documentation

bufferInfoMap

std::unordered_map<ramses::displayBufferId_t, BufferInfo> bufferInfoMap

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

fragmentShader

constexpr const char* const fragmentShader

constexpr

Initial value:

= R"##(
#version 300 es
 
uniform sampler2D textureSampler;
in lowp vec2 v_texcoord;
out lowp vec4 fragColor;
void main(void)
{
    fragColor = texture(textureSampler, v_texcoord);
}
)##"

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.

vertexShader

constexpr const char* const vertexShader

constexpr

Initial value:

= R"##(
#version 300 es
 
in lowp vec3 a_position;
in lowp vec2 a_texcoord;
out lowp vec2 v_texcoord;
uniform lowp mat4 mvpMatrix;
void main()
{
    v_texcoord = a_texcoord;
    gl_Position = mvpMatrix * vec4(a_position, 1.0);
}
)##"

Examples

ramses-example-local-dma-offscreenbuffer/src/main.cpp.