mirrors
/
bgfx
mirror of https://github.com/bkaradzic/bgfx
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GL: Fixed HDR example.

This commit is contained in:
Branimir Karadžić 2014-05-19 20:31:23 -07:00
parent 84f38ee954
commit f91addf88a
1 changed files with 16 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
examples/09-hdr/hdr.cpp
View File

@ -7,7 +7,6 @@
#include "bgfx_utils.h"
#include "imgui/imgui.h"
static bool s_flipV = false;
static float s_texelHalf = 0.0f;
struct PosColorTexCoord0Vertex
@ -208,6 +207,14 @@ int _main_(int /*_argc*/, char** /*_argv*/)
imguiCreate(data);
free(data);
const bgfx::RendererType::Enum renderer = bgfx::getRendererType();
s_texelHalf = bgfx::RendererType::Direct3D9 == renderer ? 0.5f : 0.0f;
const bool originBottomLeft = bgfx::RendererType::OpenGL == renderer || bgfx::RendererType::OpenGLES == renderer;
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
uint32_t oldReset = reset;
float speed = 0.37f;
float middleGray = 0.18f;
float white = 1.1f;
@ -215,10 +222,6 @@ int _main_(int /*_argc*/, char** /*_argv*/)
int32_t scrollArea = 0;
uint32_t oldWidth = 0;
uint32_t oldHeight = 0;
uint32_t oldReset = reset;
float time = 0.0f;
entry::MouseState mouseState;
@ -374,7 +377,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(0, u_texColor, fbtextures[0]);
bgfx::setProgram(lumProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(128.0f, 128.0f, s_flipV);
screenSpaceQuad(128.0f, 128.0f, originBottomLeft);
bgfx::submit(2);
// Downscale luminance 0.
@ -382,7 +385,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(0, u_texColor, lum[0]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(64.0f, 64.0f, s_flipV);
screenSpaceQuad(64.0f, 64.0f, originBottomLeft);
bgfx::submit(3);
// Downscale luminance 1.
@ -390,7 +393,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(0, u_texColor, lum[1]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(16.0f, 16.0f, s_flipV);
screenSpaceQuad(16.0f, 16.0f, originBottomLeft);
bgfx::submit(4);
// Downscale luminance 2.
@ -398,7 +401,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(0, u_texColor, lum[2]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(4.0f, 4.0f, s_flipV);
screenSpaceQuad(4.0f, 4.0f, originBottomLeft);
bgfx::submit(5);
// Downscale luminance 3.
@ -406,7 +409,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(0, u_texColor, lum[3]);
bgfx::setProgram(lumAvgProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad(1.0f, 1.0f, s_flipV);
screenSpaceQuad(1.0f, 1.0f, originBottomLeft);
bgfx::submit(6);
float tonemap[4] = { middleGray, square(white), treshold, 0.0f };
@ -418,14 +421,14 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(1, u_texLum, lum[4]);
bgfx::setProgram(brightProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/2.0f, (float)height/2.0f, s_flipV);
screenSpaceQuad( (float)width/2.0f, (float)height/2.0f, originBottomLeft);
bgfx::submit(7);
// Blur bright pass vertically.
bgfx::setTexture(0, u_texColor, bright);
bgfx::setProgram(blurProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width/8.0f, (float)height/8.0f, s_flipV);
screenSpaceQuad( (float)width/8.0f, (float)height/8.0f, originBottomLeft);
bgfx::submit(8);
// Blur bright pass horizontally, do tonemaping and combine.
@ -434,7 +437,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
bgfx::setTexture(2, u_texBlur, blur);
bgfx::setProgram(tonemapProgram);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, s_flipV);
screenSpaceQuad( (float)width, (float)height, originBottomLeft);
bgfx::submit(9);
// Advance to next frame. Rendering thread will be kicked to