mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 20:17:37 +00:00
839048be74
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions. Authors: gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical gfx/layers/d3d* - D3D9/D3D10 - bas gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas gfx/layers/composite/* - CompositeLayers - nrc,nical gfx/layers/client/* - Client - nrc,nical,bas gfx/layers/*Image* - nical gfx/layers/ipc ipc - IPC - nical gfx/layers/opengl - CompositorOGL - nrc,nical gfx/2d - bas,nrc gfx/gl - GLContext - bjacob dom/* layout/* - DOM - mattwoodrow
517 lines
16 KiB
C++
517 lines
16 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/DebugOnly.h"
|
|
|
|
#include "LayerManagerOGLProgram.h"
|
|
|
|
#include "LayerManagerOGLShaders.h"
|
|
#include "LayerManagerOGL.h"
|
|
|
|
#include "GLContext.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
typedef ProgramProfileOGL::Argument Argument;
|
|
|
|
// helper methods for GetProfileFor
|
|
void
|
|
AddCommonArgs(ProgramProfileOGL& aProfile)
|
|
{
|
|
aProfile.mUniforms.AppendElement(Argument("uLayerTransform"));
|
|
aProfile.mUniforms.AppendElement(Argument("uLayerQuadTransform"));
|
|
aProfile.mUniforms.AppendElement(Argument("uMatrixProj"));
|
|
aProfile.mHasMatrixProj = true;
|
|
aProfile.mUniforms.AppendElement(Argument("uRenderTargetOffset"));
|
|
aProfile.mAttributes.AppendElement(Argument("aVertexCoord"));
|
|
}
|
|
void
|
|
AddCommonTextureArgs(ProgramProfileOGL& aProfile)
|
|
{
|
|
aProfile.mUniforms.AppendElement(Argument("uLayerOpacity"));
|
|
aProfile.mUniforms.AppendElement(Argument("uTexture"));
|
|
aProfile.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
}
|
|
|
|
/* static */ ProgramProfileOGL
|
|
ProgramProfileOGL::GetProfileFor(gl::ShaderProgramType aType,
|
|
MaskType aMask)
|
|
{
|
|
NS_ASSERTION(ProgramExists(aType, aMask), "Invalid program type.");
|
|
ProgramProfileOGL result;
|
|
|
|
switch (aType) {
|
|
case gl::RGBALayerProgramType:
|
|
if (aMask == Mask3d) {
|
|
result.mVertexShaderString = sLayerMask3DVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerMask3DFS;
|
|
} else if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::RGBALayerExternalProgramType:
|
|
if (aMask == Mask3d) {
|
|
result.mVertexShaderString = sLayerMask3DVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerExternalMask3DFS;
|
|
} else if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerExternalMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sRGBATextureLayerExternalFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mUniforms.AppendElement(Argument("uTextureTransform"));
|
|
result.mHasTextureTransform = true;
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::BGRALayerProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sBGRATextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sBGRATextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::RGBXLayerProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sRGBXTextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sRGBXTextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::BGRXLayerProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sBGRXTextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sBGRXTextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::RGBARectLayerProgramType:
|
|
if (aMask == Mask3d) {
|
|
result.mVertexShaderString = sLayerMask3DVS;
|
|
result.mFragmentShaderString = sRGBARectTextureLayerMask3DFS;
|
|
} else if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sRGBARectTextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sRGBARectTextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::RGBAExternalLayerProgramType:
|
|
if (aMask == Mask3d) {
|
|
result.mVertexShaderString = sLayerMask3DVS;
|
|
result.mFragmentShaderString = sRGBAExternalTextureLayerMask3DFS;
|
|
} else if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sRGBAExternalTextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sRGBAExternalTextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
AddCommonTextureArgs(result);
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::ColorLayerProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sSolidColorLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sSolidColorLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
result.mUniforms.AppendElement(Argument("uRenderColor"));
|
|
break;
|
|
case gl::YCbCrLayerProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sYCbCrTextureLayerMaskFS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sYCbCrTextureLayerFS;
|
|
}
|
|
AddCommonArgs(result);
|
|
result.mUniforms.AppendElement(Argument("uLayerOpacity"));
|
|
result.mUniforms.AppendElement(Argument("uYTexture"));
|
|
result.mUniforms.AppendElement(Argument("uCbTexture"));
|
|
result.mUniforms.AppendElement(Argument("uCrTexture"));
|
|
result.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
result.mTextureCount = 3;
|
|
break;
|
|
case gl::ComponentAlphaPass1ProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sComponentPassMask1FS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sComponentPass1FS;
|
|
}
|
|
AddCommonArgs(result);
|
|
result.mUniforms.AppendElement(Argument("uLayerOpacity"));
|
|
result.mUniforms.AppendElement(Argument("uBlackTexture"));
|
|
result.mUniforms.AppendElement(Argument("uWhiteTexture"));
|
|
result.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
result.mTextureCount = 2;
|
|
break;
|
|
case gl::ComponentAlphaPass2ProgramType:
|
|
if (aMask == Mask2d) {
|
|
result.mVertexShaderString = sLayerMaskVS;
|
|
result.mFragmentShaderString = sComponentPassMask2FS;
|
|
} else {
|
|
result.mVertexShaderString = sLayerVS;
|
|
result.mFragmentShaderString = sComponentPass2FS;
|
|
}
|
|
AddCommonArgs(result);
|
|
result.mUniforms.AppendElement(Argument("uLayerOpacity"));
|
|
result.mUniforms.AppendElement(Argument("uBlackTexture"));
|
|
result.mUniforms.AppendElement(Argument("uWhiteTexture"));
|
|
result.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
result.mTextureCount = 2;
|
|
break;
|
|
case gl::Copy2DProgramType:
|
|
NS_ASSERTION(!aMask, "Program does not have masked variant.");
|
|
result.mVertexShaderString = sCopyVS;
|
|
result.mFragmentShaderString = sCopy2DFS;
|
|
result.mUniforms.AppendElement(Argument("uTexture"));
|
|
result.mAttributes.AppendElement(Argument("aVertexCoord"));
|
|
result.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
result.mTextureCount = 1;
|
|
break;
|
|
case gl::Copy2DRectProgramType:
|
|
NS_ASSERTION(!aMask, "Program does not have masked variant.");
|
|
result.mVertexShaderString = sCopyVS;
|
|
result.mFragmentShaderString = sCopy2DRectFS;
|
|
result.mUniforms.AppendElement(Argument("uTexture"));
|
|
result.mAttributes.AppendElement(Argument("aVertexCoord"));
|
|
result.mAttributes.AppendElement(Argument("aTexCoord"));
|
|
result.mTextureCount = 1;
|
|
break;
|
|
default:
|
|
NS_NOTREACHED("Unknown shader program type.");
|
|
}
|
|
|
|
if (aMask > MaskNone) {
|
|
result.mUniforms.AppendElement(Argument("uMaskTexture"));
|
|
result.mUniforms.AppendElement(Argument("uMaskQuadTransform"));
|
|
result.mTextureCount += 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
const char* const ShaderProgramOGL::VertexCoordAttrib = "aVertexCoord";
|
|
const char* const ShaderProgramOGL::TexCoordAttrib = "aTexCoord";
|
|
|
|
ShaderProgramOGL::ShaderProgramOGL(GLContext* aGL, const ProgramProfileOGL& aProfile)
|
|
: mIsProjectionMatrixStale(false)
|
|
, mGL(aGL)
|
|
, mProgram(0)
|
|
, mProfile(aProfile)
|
|
, mProgramState(STATE_NEW)
|
|
{}
|
|
|
|
ShaderProgramOGL::~ShaderProgramOGL()
|
|
{
|
|
if (mProgram <= 0) {
|
|
return;
|
|
}
|
|
|
|
nsRefPtr<GLContext> ctx = mGL->GetSharedContext();
|
|
if (!ctx) {
|
|
ctx = mGL;
|
|
}
|
|
ctx->MakeCurrent();
|
|
ctx->fDeleteProgram(mProgram);
|
|
}
|
|
|
|
bool
|
|
ShaderProgramOGL::Initialize()
|
|
{
|
|
NS_ASSERTION(mProgramState == STATE_NEW, "Shader program has already been initialised");
|
|
|
|
if (!CreateProgram(mProfile.mVertexShaderString,
|
|
mProfile.mFragmentShaderString)) {
|
|
mProgramState = STATE_ERROR;
|
|
return false;
|
|
}
|
|
|
|
mProgramState = STATE_OK;
|
|
|
|
for (uint32_t i = 0; i < mProfile.mUniforms.Length(); ++i) {
|
|
mProfile.mUniforms[i].mLocation =
|
|
mGL->fGetUniformLocation(mProgram, mProfile.mUniforms[i].mName);
|
|
NS_ASSERTION(mProfile.mUniforms[i].mLocation >= 0, "Bad uniform location.");
|
|
}
|
|
|
|
for (uint32_t i = 0; i < mProfile.mAttributes.Length(); ++i) {
|
|
mProfile.mAttributes[i].mLocation =
|
|
mGL->fGetAttribLocation(mProgram, mProfile.mAttributes[i].mName);
|
|
NS_ASSERTION(mProfile.mAttributes[i].mLocation >= 0, "Bad attribute location.");
|
|
}
|
|
|
|
// this is a one-off that's present in the 2DRect versions of some shaders.
|
|
mTexCoordMultiplierUniformLocation =
|
|
mGL->fGetUniformLocation(mProgram, "uTexCoordMultiplier");
|
|
|
|
return true;
|
|
}
|
|
|
|
GLint
|
|
ShaderProgramOGL::CreateShader(GLenum aShaderType, const char *aShaderSource)
|
|
{
|
|
GLint success, len = 0;
|
|
|
|
GLint sh = mGL->fCreateShader(aShaderType);
|
|
mGL->fShaderSource(sh, 1, (const GLchar**)&aShaderSource, NULL);
|
|
mGL->fCompileShader(sh);
|
|
mGL->fGetShaderiv(sh, LOCAL_GL_COMPILE_STATUS, &success);
|
|
mGL->fGetShaderiv(sh, LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
/* Even if compiling is successful, there may still be warnings. Print them
|
|
* in a debug build. The > 10 is to catch silly compilers that might put
|
|
* some whitespace in the log but otherwise leave it empty.
|
|
*/
|
|
if (!success
|
|
#ifdef DEBUG
|
|
|| (len > 10 && PR_GetEnv("MOZ_DEBUG_SHADERS"))
|
|
#endif
|
|
)
|
|
{
|
|
nsAutoCString log;
|
|
log.SetCapacity(len);
|
|
mGL->fGetShaderInfoLog(sh, len, (GLint*) &len, (char*) log.BeginWriting());
|
|
log.SetLength(len);
|
|
|
|
if (!success) {
|
|
printf_stderr("=== SHADER COMPILATION FAILED ===\n");
|
|
} else {
|
|
printf_stderr("=== SHADER COMPILATION WARNINGS ===\n");
|
|
}
|
|
|
|
printf_stderr("=== Source:\n%s\n", aShaderSource);
|
|
printf_stderr("=== Log:\n%s\n", log.get());
|
|
printf_stderr("============\n");
|
|
|
|
if (!success) {
|
|
mGL->fDeleteShader(sh);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return sh;
|
|
}
|
|
|
|
bool
|
|
ShaderProgramOGL::CreateProgram(const char *aVertexShaderString,
|
|
const char *aFragmentShaderString)
|
|
{
|
|
GLuint vertexShader = CreateShader(LOCAL_GL_VERTEX_SHADER, aVertexShaderString);
|
|
GLuint fragmentShader = CreateShader(LOCAL_GL_FRAGMENT_SHADER, aFragmentShaderString);
|
|
|
|
if (!vertexShader || !fragmentShader)
|
|
return false;
|
|
|
|
GLint result = mGL->fCreateProgram();
|
|
mGL->fAttachShader(result, vertexShader);
|
|
mGL->fAttachShader(result, fragmentShader);
|
|
|
|
mGL->fLinkProgram(result);
|
|
|
|
GLint success, len;
|
|
mGL->fGetProgramiv(result, LOCAL_GL_LINK_STATUS, &success);
|
|
mGL->fGetProgramiv(result, LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
/* Even if linking is successful, there may still be warnings. Print them
|
|
* in a debug build. The > 10 is to catch silly compilers that might put
|
|
* some whitespace in the log but otherwise leave it empty.
|
|
*/
|
|
if (!success
|
|
#ifdef DEBUG
|
|
|| (len > 10 && PR_GetEnv("MOZ_DEBUG_SHADERS"))
|
|
#endif
|
|
)
|
|
{
|
|
nsAutoCString log;
|
|
log.SetCapacity(len);
|
|
mGL->fGetProgramInfoLog(result, len, (GLint*) &len, (char*) log.BeginWriting());
|
|
log.SetLength(len);
|
|
|
|
if (!success) {
|
|
printf_stderr("=== PROGRAM LINKING FAILED ===\n");
|
|
} else {
|
|
printf_stderr("=== PROGRAM LINKING WARNINGS ===\n");
|
|
}
|
|
printf_stderr("=== Log:\n%s\n", log.get());
|
|
printf_stderr("============\n");
|
|
}
|
|
|
|
// We can mark the shaders for deletion; they're attached to the program
|
|
// and will remain attached.
|
|
mGL->fDeleteShader(vertexShader);
|
|
mGL->fDeleteShader(fragmentShader);
|
|
|
|
if (!success) {
|
|
mGL->fDeleteProgram(result);
|
|
return false;
|
|
}
|
|
|
|
mProgram = result;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ShaderProgramOGL::LoadMask(Layer* aMaskLayer)
|
|
{
|
|
if (!aMaskLayer) {
|
|
return false;
|
|
}
|
|
|
|
gfxIntSize size;
|
|
if (!static_cast<LayerOGL*>(aMaskLayer->ImplData())
|
|
->LoadAsTexture(LOCAL_GL_TEXTURE0 + mProfile.mTextureCount - 1, &size)){
|
|
return false;
|
|
}
|
|
|
|
SetUniform(mProfile.LookupUniformLocation("uMaskTexture"),
|
|
(GLint)(mProfile.mTextureCount - 1));
|
|
|
|
gfxMatrix maskTransform;
|
|
mozilla::DebugOnly<bool> isMask2D =
|
|
aMaskLayer->GetEffectiveTransform().CanDraw2D(&maskTransform);
|
|
NS_ASSERTION(isMask2D, "How did we end up with a 3D transform here?!");
|
|
gfxRect bounds = gfxRect(gfxPoint(), size);
|
|
bounds = maskTransform.TransformBounds(bounds);
|
|
|
|
gfx3DMatrix m;
|
|
m._11 = 1.0f/bounds.width;
|
|
m._22 = 1.0f/bounds.height;
|
|
m._41 = float(-bounds.x)/bounds.width;
|
|
m._42 = float(-bounds.y)/bounds.height;
|
|
|
|
SetMatrixUniform(mProfile.LookupUniformLocation("uMaskQuadTransform"), m);
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::Activate()
|
|
{
|
|
if (mProgramState == STATE_NEW) {
|
|
if (!Initialize()) {
|
|
NS_WARNING("Shader could not be initialised");
|
|
return;
|
|
}
|
|
}
|
|
NS_ASSERTION(HasInitialized(), "Attempting to activate a program that's not in use!");
|
|
mGL->fUseProgram(mProgram);
|
|
#if CHECK_CURRENT_PROGRAM
|
|
mGL->SetUserData(&sCurrentProgramKey, this);
|
|
#endif
|
|
// check and set the projection matrix
|
|
if (mIsProjectionMatrixStale) {
|
|
SetProjectionMatrix(mProjectionMatrix);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
ShaderProgramOGL::SetUniform(GLint aLocation, float aFloatValue)
|
|
{
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
mGL->fUniform1f(aLocation, aFloatValue);
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetUniform(GLint aLocation, const gfxRGBA& aColor)
|
|
{
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
mGL->fUniform4f(aLocation, float(aColor.r), float(aColor.g), float(aColor.b), float(aColor.a));
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetUniform(GLint aLocation, int aLength, float *aFloatValues)
|
|
{
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
if (aLength == 1) {
|
|
mGL->fUniform1fv(aLocation, 1, aFloatValues);
|
|
} else if (aLength == 2) {
|
|
mGL->fUniform2fv(aLocation, 1, aFloatValues);
|
|
} else if (aLength == 3) {
|
|
mGL->fUniform3fv(aLocation, 1, aFloatValues);
|
|
} else if (aLength == 4) {
|
|
mGL->fUniform4fv(aLocation, 1, aFloatValues);
|
|
} else {
|
|
NS_NOTREACHED("Bogus aLength param");
|
|
}
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetUniform(GLint aLocation, GLint aIntValue)
|
|
{
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
mGL->fUniform1i(aLocation, aIntValue);
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetMatrixUniform(GLint aLocation, const gfx3DMatrix& aMatrix)
|
|
{
|
|
SetMatrixUniform(aLocation, &aMatrix._11);
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetMatrixUniform(GLint aLocation, const float *aFloatValues)
|
|
{
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
mGL->fUniformMatrix4fv(aLocation, 1, false, aFloatValues);
|
|
}
|
|
|
|
void
|
|
ShaderProgramOGL::SetUniform(GLint aLocation, const gfx::Color& aColor) {
|
|
ASSERT_THIS_PROGRAM;
|
|
NS_ASSERTION(aLocation >= 0, "Invalid location");
|
|
|
|
mGL->fUniform4f(aLocation, float(aColor.r), float(aColor.g), float(aColor.b), float(aColor.a));
|
|
}
|
|
|
|
|
|
} /* layers */
|
|
} /* mozilla */
|