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Improved shaders_postprocessing example

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Ray 2017-05-16 00:14:14 +02:00
parent c9d6b7e356
commit 65e6a6db53
34 changed files with 24630 additions and 22395 deletions
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89
examples/shaders/shaders_postprocessing.c
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@ -18,6 +18,48 @@
#include "raylib.h"
#if defined(PLATFORM_DESKTOP)
#define GLSL_VERSION 330
#define DEFAULT_VERTEX_SHADER "resources/shaders/glsl330/base.vs"
#else // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB
#define GLSL_VERSION 100
#define DEFAULT_VERTEX_SHADER "resources/shaders/glsl100/base.vs"
#endif
#define MAX_POSTPRO_SHADERS 12
typedef enum {
FX_GRAYSCALE = 0,
FX_POSTERIZATION,
FX_DREAM_VISION,
FX_PIXELIZER,
FX_CROSS_HATCHING,
FX_CROSS_STITCHING,
FX_PREDATOR_VIEW,
FX_SCANLINES,
FX_FISHEYE,
FX_SOBEL,
FX_BLOOM,
FX_BLUR,
//FX_FXAA
} PostproShader;
static const char *postproShaderText[] = {
"GRAYSCALE",
"POSTERIZATION",
"DREAM_VISION",
"PIXELIZER",
"CROSS_HATCHING",
"CROSS_STITCHING",
"PREDATOR_VIEW",
"SCANLINES",
"FISHEYE",
"SOBEL",
"BLOOM",
"BLUR",
//"FXAA"
};
int main()
{
// Initialization
@ -38,8 +80,25 @@ int main()
Vector3 position = { 0.0f, 0.0f, 0.0f }; // Set model position
Shader shader = LoadShader("resources/shaders/glsl330/base.vs",
"resources/shaders/glsl330/bloom.fs"); // Load postpro shader
// Load all postpro shaders
// NOTE 1: All postpro shader use the base vertex shader (DEFAULT_VERTEX_SHADER)
// NOTE 2: We load the correct shader depending on GLSL version
Shader shaders[MAX_POSTPRO_SHADERS];
shaders[FX_GRAYSCALE] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/grayscale.fs", GLSL_VERSION));
shaders[FX_POSTERIZATION] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/posterization.fs", GLSL_VERSION));
shaders[FX_DREAM_VISION] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/dream_vision.fs", GLSL_VERSION));
shaders[FX_PIXELIZER] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/pixelizer.fs", GLSL_VERSION));
shaders[FX_CROSS_HATCHING] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/cross_hatching.fs", GLSL_VERSION));
shaders[FX_CROSS_STITCHING] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/cross_stitching.fs", GLSL_VERSION));
shaders[FX_PREDATOR_VIEW] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/predator.fs", GLSL_VERSION));
shaders[FX_SCANLINES] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/scanlines.fs", GLSL_VERSION));
shaders[FX_FISHEYE] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/fisheye.fs", GLSL_VERSION));
shaders[FX_SOBEL] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/sobel.fs", GLSL_VERSION));
shaders[FX_BLOOM] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/bloom.fs", GLSL_VERSION));
shaders[FX_BLUR] = LoadShader(DEFAULT_VERTEX_SHADER, FormatText("resources/shaders/glsl%i/blur.fs", GLSL_VERSION));
int currentShader = FX_GRAYSCALE;
// Create a RenderTexture2D to be used for render to texture
RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
@ -56,6 +115,12 @@ int main()
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera); // Update camera
if (IsKeyPressed(KEY_RIGHT)) currentShader++;
else if (IsKeyPressed(KEY_LEFT)) currentShader--;
if (currentShader >= MAX_POSTPRO_SHADERS) currentShader = 0;
else if (currentShader < 0) currentShader = MAX_POSTPRO_SHADERS - 1;
//----------------------------------------------------------------------------------
// Draw
@ -73,21 +138,26 @@ int main()
DrawGrid(10, 1.0f); // Draw a grid
End3dMode();
DrawText("HELLO POSTPROCESSING!", 70, 190, 50, RED);
EndTextureMode(); // End drawing to texture (now we have a texture available for next passes)
BeginShaderMode(shader);
// Render previously generated texture using selected postpro shader
BeginShaderMode(shaders[currentShader]);
// NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
EndShaderMode();
DrawRectangle(0, 9, 580, 30, Fade(LIGHTGRAY, 0.7f));
DrawText("(c) Dwarf 3D model by David Moreno", screenWidth - 200, screenHeight - 20, 10, DARKGRAY);
DrawFPS(10, 10);
DrawText("CURRENT POSTPRO SHADER:", 10, 15, 20, BLACK);
DrawText(postproShaderText[currentShader], 330, 15, 20, RED);
DrawText("< >", 540, 10, 30, DARKBLUE);
DrawFPS(700, 15);
EndDrawing();
//----------------------------------------------------------------------------------
@ -95,7 +165,10 @@ int main()
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadShader(shader); // Unload shader
// Unload all postpro shaders
for (int i = 0; i < MAX_POSTPRO_SHADERS; i++) UnloadShader(shaders[i]);
UnloadTexture(texture); // Unload texture
UnloadModel(dwarf); // Unload model
UnloadRenderTexture(target); // Unload render texture