mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1105 lines
36 KiB
C++
1105 lines
36 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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 "WebGLProgram.h"
|
|
|
|
#include "GLContext.h"
|
|
#include "mozilla/CheckedInt.h"
|
|
#include "mozilla/dom/WebGL2RenderingContextBinding.h"
|
|
#include "mozilla/dom/WebGLRenderingContextBinding.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "WebGLActiveInfo.h"
|
|
#include "WebGLContext.h"
|
|
#include "WebGLShader.h"
|
|
#include "WebGLUniformLocation.h"
|
|
#include "WebGLValidateStrings.h"
|
|
|
|
namespace mozilla {
|
|
|
|
/* If `name`: "foo[3]"
|
|
* Then returns true, with
|
|
* `out_baseName`: "foo"
|
|
* `out_isArray`: true
|
|
* `out_index`: 3
|
|
*
|
|
* If `name`: "foo"
|
|
* Then returns true, with
|
|
* `out_baseName`: "foo"
|
|
* `out_isArray`: false
|
|
* `out_index`: <not written>
|
|
*/
|
|
static bool
|
|
ParseName(const nsCString& name, nsCString* const out_baseName,
|
|
bool* const out_isArray, size_t* const out_arrayIndex)
|
|
{
|
|
int32_t indexEnd = name.RFind("]");
|
|
if (indexEnd == -1 ||
|
|
(uint32_t)indexEnd != name.Length() - 1)
|
|
{
|
|
*out_baseName = name;
|
|
*out_isArray = false;
|
|
return true;
|
|
}
|
|
|
|
int32_t indexOpenBracket = name.RFind("[");
|
|
if (indexOpenBracket == -1)
|
|
return false;
|
|
|
|
uint32_t indexStart = indexOpenBracket + 1;
|
|
uint32_t indexLen = indexEnd - indexStart;
|
|
if (indexLen == 0)
|
|
return false;
|
|
|
|
const nsAutoCString indexStr(Substring(name, indexStart, indexLen));
|
|
|
|
nsresult errorcode;
|
|
int32_t indexNum = indexStr.ToInteger(&errorcode);
|
|
if (NS_FAILED(errorcode))
|
|
return false;
|
|
|
|
if (indexNum < 0)
|
|
return false;
|
|
|
|
*out_baseName = StringHead(name, indexOpenBracket);
|
|
*out_isArray = true;
|
|
*out_arrayIndex = indexNum;
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
AddActiveInfo(WebGLContext* webgl, GLint elemCount, GLenum elemType, bool isArray,
|
|
const nsACString& baseUserName, const nsACString& baseMappedName,
|
|
std::vector<RefPtr<WebGLActiveInfo>>* activeInfoList,
|
|
std::map<nsCString, const WebGLActiveInfo*>* infoLocMap)
|
|
{
|
|
RefPtr<WebGLActiveInfo> info = new WebGLActiveInfo(webgl, elemCount, elemType,
|
|
isArray, baseUserName,
|
|
baseMappedName);
|
|
activeInfoList->push_back(info);
|
|
|
|
infoLocMap->insert(std::make_pair(info->mBaseUserName, info.get()));
|
|
}
|
|
|
|
static void
|
|
AddActiveBlockInfo(const nsACString& baseUserName,
|
|
const nsACString& baseMappedName,
|
|
std::vector<RefPtr<webgl::UniformBlockInfo>>* activeInfoList)
|
|
{
|
|
RefPtr<webgl::UniformBlockInfo> info = new webgl::UniformBlockInfo(baseUserName, baseMappedName);
|
|
|
|
activeInfoList->push_back(info);
|
|
}
|
|
|
|
//#define DUMP_SHADERVAR_MAPPINGS
|
|
|
|
static already_AddRefed<const webgl::LinkedProgramInfo>
|
|
QueryProgramInfo(WebGLProgram* prog, gl::GLContext* gl)
|
|
{
|
|
RefPtr<webgl::LinkedProgramInfo> info(new webgl::LinkedProgramInfo(prog));
|
|
|
|
GLuint maxAttribLenWithNull = 0;
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH,
|
|
(GLint*)&maxAttribLenWithNull);
|
|
if (maxAttribLenWithNull < 1)
|
|
maxAttribLenWithNull = 1;
|
|
|
|
GLuint maxUniformLenWithNull = 0;
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_MAX_LENGTH,
|
|
(GLint*)&maxUniformLenWithNull);
|
|
if (maxUniformLenWithNull < 1)
|
|
maxUniformLenWithNull = 1;
|
|
|
|
GLuint maxUniformBlockLenWithNull = 0;
|
|
if (gl->IsSupported(gl::GLFeature::uniform_buffer_object)) {
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH,
|
|
(GLint*)&maxUniformBlockLenWithNull);
|
|
if (maxUniformBlockLenWithNull < 1)
|
|
maxUniformBlockLenWithNull = 1;
|
|
}
|
|
|
|
#ifdef DUMP_SHADERVAR_MAPPINGS
|
|
printf_stderr("maxAttribLenWithNull: %d\n", maxAttribLenWithNull);
|
|
printf_stderr("maxUniformLenWithNull: %d\n", maxUniformLenWithNull);
|
|
printf_stderr("maxUniformBlockLenWithNull: %d\n", maxUniformBlockLenWithNull);
|
|
#endif
|
|
|
|
// Attribs
|
|
|
|
GLuint numActiveAttribs = 0;
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_ATTRIBUTES,
|
|
(GLint*)&numActiveAttribs);
|
|
|
|
for (GLuint i = 0; i < numActiveAttribs; i++) {
|
|
nsAutoCString mappedName;
|
|
mappedName.SetLength(maxAttribLenWithNull - 1);
|
|
|
|
GLsizei lengthWithoutNull = 0;
|
|
GLint elemCount = 0; // `size`
|
|
GLenum elemType = 0; // `type`
|
|
gl->fGetActiveAttrib(prog->mGLName, i, mappedName.Length()+1, &lengthWithoutNull,
|
|
&elemCount, &elemType, mappedName.BeginWriting());
|
|
|
|
mappedName.SetLength(lengthWithoutNull);
|
|
|
|
// Collect ActiveInfos:
|
|
|
|
// Attribs can't be arrays, so we can skip some of the mess we have in the Uniform
|
|
// path.
|
|
nsDependentCString userName;
|
|
if (!prog->FindAttribUserNameByMappedName(mappedName, &userName))
|
|
userName.Rebind(mappedName, 0);
|
|
|
|
#ifdef DUMP_SHADERVAR_MAPPINGS
|
|
printf_stderr("[attrib %i] %s/%s\n", i, mappedName.BeginReading(),
|
|
userName.BeginReading());
|
|
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
|
|
#endif
|
|
|
|
const bool isArray = false;
|
|
AddActiveInfo(prog->Context(), elemCount, elemType, isArray, userName, mappedName,
|
|
&info->activeAttribs, &info->attribMap);
|
|
|
|
// Collect active locations:
|
|
GLint loc = gl->fGetAttribLocation(prog->mGLName, mappedName.BeginReading());
|
|
if (loc == -1)
|
|
MOZ_CRASH("Active attrib has no location.");
|
|
|
|
info->activeAttribLocs.insert(loc);
|
|
}
|
|
|
|
// Uniforms
|
|
|
|
const bool needsCheckForArrays = gl->WorkAroundDriverBugs();
|
|
|
|
GLuint numActiveUniforms = 0;
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORMS,
|
|
(GLint*)&numActiveUniforms);
|
|
|
|
for (GLuint i = 0; i < numActiveUniforms; i++) {
|
|
nsAutoCString mappedName;
|
|
mappedName.SetLength(maxUniformLenWithNull - 1);
|
|
|
|
GLsizei lengthWithoutNull = 0;
|
|
GLint elemCount = 0; // `size`
|
|
GLenum elemType = 0; // `type`
|
|
gl->fGetActiveUniform(prog->mGLName, i, mappedName.Length()+1, &lengthWithoutNull,
|
|
&elemCount, &elemType, mappedName.BeginWriting());
|
|
|
|
mappedName.SetLength(lengthWithoutNull);
|
|
|
|
nsAutoCString baseMappedName;
|
|
bool isArray;
|
|
size_t arrayIndex;
|
|
if (!ParseName(mappedName, &baseMappedName, &isArray, &arrayIndex))
|
|
MOZ_CRASH("Failed to parse `mappedName` received from driver.");
|
|
|
|
// Note that for good drivers, `isArray` should already be correct.
|
|
// However, if FindUniform succeeds, it will be validator-guaranteed correct.
|
|
|
|
nsAutoCString baseUserName;
|
|
if (!prog->FindUniformByMappedName(baseMappedName, &baseUserName, &isArray)) {
|
|
baseUserName = baseMappedName;
|
|
|
|
if (needsCheckForArrays && !isArray) {
|
|
// By GLES 3, GetUniformLocation("foo[0]") should return -1 if `foo` is
|
|
// not an array. Our current linux Try slaves return the location of `foo`
|
|
// anyways, though.
|
|
std::string mappedNameStr = baseMappedName.BeginReading();
|
|
mappedNameStr += "[0]";
|
|
|
|
GLint loc = gl->fGetUniformLocation(prog->mGLName, mappedNameStr.c_str());
|
|
if (loc != -1)
|
|
isArray = true;
|
|
}
|
|
}
|
|
|
|
#ifdef DUMP_SHADERVAR_MAPPINGS
|
|
printf_stderr("[uniform %i] %s/%i/%s/%s\n", i, mappedName.BeginReading(),
|
|
(int)isArray, baseMappedName.BeginReading(),
|
|
baseUserName.BeginReading());
|
|
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
|
|
printf_stderr(" isArray: %d\n", (int)isArray);
|
|
#endif
|
|
|
|
AddActiveInfo(prog->Context(), elemCount, elemType, isArray, baseUserName,
|
|
baseMappedName, &info->activeUniforms, &info->uniformMap);
|
|
}
|
|
|
|
// Uniform Blocks
|
|
|
|
if (gl->IsSupported(gl::GLFeature::uniform_buffer_object)) {
|
|
GLuint numActiveUniformBlocks = 0;
|
|
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_BLOCKS,
|
|
(GLint*)&numActiveUniformBlocks);
|
|
|
|
for (GLuint i = 0; i < numActiveUniformBlocks; i++) {
|
|
nsAutoCString mappedName;
|
|
mappedName.SetLength(maxUniformBlockLenWithNull - 1);
|
|
|
|
GLint lengthWithoutNull;
|
|
gl->fGetActiveUniformBlockiv(prog->mGLName, i, LOCAL_GL_UNIFORM_BLOCK_NAME_LENGTH, &lengthWithoutNull);
|
|
gl->fGetActiveUniformBlockName(prog->mGLName, i, maxUniformBlockLenWithNull, &lengthWithoutNull, mappedName.BeginWriting());
|
|
mappedName.SetLength(lengthWithoutNull);
|
|
|
|
nsAutoCString baseMappedName;
|
|
bool isArray;
|
|
size_t arrayIndex;
|
|
if (!ParseName(mappedName, &baseMappedName, &isArray, &arrayIndex))
|
|
MOZ_CRASH("Failed to parse `mappedName` received from driver.");
|
|
|
|
nsAutoCString baseUserName;
|
|
if (!prog->FindUniformBlockByMappedName(baseMappedName, &baseUserName,
|
|
&isArray))
|
|
{
|
|
baseUserName = baseMappedName;
|
|
|
|
if (needsCheckForArrays && !isArray) {
|
|
std::string mappedNameStr = baseMappedName.BeginReading();
|
|
mappedNameStr += "[0]";
|
|
|
|
GLuint loc = gl->fGetUniformBlockIndex(prog->mGLName,
|
|
mappedNameStr.c_str());
|
|
if (loc != LOCAL_GL_INVALID_INDEX)
|
|
isArray = true;
|
|
}
|
|
}
|
|
|
|
#ifdef DUMP_SHADERVAR_MAPPINGS
|
|
printf_stderr("[uniform block %i] %s/%i/%s/%s\n", i, mappedName.BeginReading(),
|
|
(int)isArray, baseMappedName.BeginReading(),
|
|
baseUserName.BeginReading());
|
|
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
|
|
printf_stderr(" isArray: %d\n", (int)isArray);
|
|
#endif
|
|
|
|
AddActiveBlockInfo(baseUserName, baseMappedName, &info->uniformBlocks);
|
|
}
|
|
}
|
|
|
|
return info.forget();
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
webgl::LinkedProgramInfo::LinkedProgramInfo(WebGLProgram* prog)
|
|
: prog(prog)
|
|
, fragDataMap(nullptr)
|
|
{ }
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// WebGLProgram
|
|
|
|
static GLuint
|
|
CreateProgram(gl::GLContext* gl)
|
|
{
|
|
gl->MakeCurrent();
|
|
return gl->fCreateProgram();
|
|
}
|
|
|
|
WebGLProgram::WebGLProgram(WebGLContext* webgl)
|
|
: WebGLContextBoundObject(webgl)
|
|
, mGLName(CreateProgram(webgl->GL()))
|
|
, mTransformFeedbackBufferMode(LOCAL_GL_NONE)
|
|
{
|
|
mContext->mPrograms.insertBack(this);
|
|
}
|
|
|
|
WebGLProgram::~WebGLProgram()
|
|
{
|
|
DeleteOnce();
|
|
}
|
|
|
|
void
|
|
WebGLProgram::Delete()
|
|
{
|
|
gl::GLContext* gl = mContext->GL();
|
|
|
|
gl->MakeCurrent();
|
|
gl->fDeleteProgram(mGLName);
|
|
|
|
mVertShader = nullptr;
|
|
mFragShader = nullptr;
|
|
|
|
mMostRecentLinkInfo = nullptr;
|
|
|
|
LinkedListElement<WebGLProgram>::removeFrom(mContext->mPrograms);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// GL funcs
|
|
|
|
void
|
|
WebGLProgram::AttachShader(WebGLShader* shader)
|
|
{
|
|
WebGLRefPtr<WebGLShader>* shaderSlot;
|
|
switch (shader->mType) {
|
|
case LOCAL_GL_VERTEX_SHADER:
|
|
shaderSlot = &mVertShader;
|
|
break;
|
|
case LOCAL_GL_FRAGMENT_SHADER:
|
|
shaderSlot = &mFragShader;
|
|
break;
|
|
default:
|
|
mContext->ErrorInvalidOperation("attachShader: Bad type for shader.");
|
|
return;
|
|
}
|
|
|
|
if (*shaderSlot) {
|
|
if (shader == *shaderSlot) {
|
|
mContext->ErrorInvalidOperation("attachShader: `shader` is already attached.");
|
|
} else {
|
|
mContext->ErrorInvalidOperation("attachShader: Only one of each type of"
|
|
" shader may be attached to a program.");
|
|
}
|
|
return;
|
|
}
|
|
|
|
*shaderSlot = shader;
|
|
|
|
mContext->MakeContextCurrent();
|
|
mContext->gl->fAttachShader(mGLName, shader->mGLName);
|
|
}
|
|
|
|
void
|
|
WebGLProgram::BindAttribLocation(GLuint loc, const nsAString& name)
|
|
{
|
|
if (!ValidateGLSLVariableName(name, mContext, "bindAttribLocation"))
|
|
return;
|
|
|
|
if (loc >= mContext->MaxVertexAttribs()) {
|
|
mContext->ErrorInvalidValue("bindAttribLocation: `location` must be less than"
|
|
" MAX_VERTEX_ATTRIBS.");
|
|
return;
|
|
}
|
|
|
|
if (StringBeginsWith(name, NS_LITERAL_STRING("gl_"))) {
|
|
mContext->ErrorInvalidOperation("bindAttribLocation: Can't set the location of a"
|
|
" name that starts with 'gl_'.");
|
|
return;
|
|
}
|
|
|
|
NS_LossyConvertUTF16toASCII asciiName(name);
|
|
|
|
auto res = mBoundAttribLocs.insert(std::pair<nsCString, GLuint>(asciiName, loc));
|
|
|
|
const bool wasInserted = res.second;
|
|
if (!wasInserted) {
|
|
auto itr = res.first;
|
|
itr->second = loc;
|
|
}
|
|
}
|
|
|
|
void
|
|
WebGLProgram::DetachShader(WebGLShader* shader)
|
|
{
|
|
MOZ_ASSERT(shader);
|
|
|
|
WebGLRefPtr<WebGLShader>* shaderSlot;
|
|
switch (shader->mType) {
|
|
case LOCAL_GL_VERTEX_SHADER:
|
|
shaderSlot = &mVertShader;
|
|
break;
|
|
case LOCAL_GL_FRAGMENT_SHADER:
|
|
shaderSlot = &mFragShader;
|
|
break;
|
|
default:
|
|
mContext->ErrorInvalidOperation("attachShader: Bad type for shader.");
|
|
return;
|
|
}
|
|
|
|
if (*shaderSlot != shader) {
|
|
mContext->ErrorInvalidOperation("detachShader: `shader` is not attached.");
|
|
return;
|
|
}
|
|
|
|
*shaderSlot = nullptr;
|
|
|
|
mContext->MakeContextCurrent();
|
|
mContext->gl->fDetachShader(mGLName, shader->mGLName);
|
|
}
|
|
|
|
already_AddRefed<WebGLActiveInfo>
|
|
WebGLProgram::GetActiveAttrib(GLuint index) const
|
|
{
|
|
if (!mMostRecentLinkInfo) {
|
|
RefPtr<WebGLActiveInfo> ret = WebGLActiveInfo::CreateInvalid(mContext);
|
|
return ret.forget();
|
|
}
|
|
|
|
const auto& activeList = mMostRecentLinkInfo->activeAttribs;
|
|
|
|
if (index >= activeList.size()) {
|
|
mContext->ErrorInvalidValue("`index` (%i) must be less than %s (%i).",
|
|
index, "ACTIVE_ATTRIBS", activeList.size());
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<WebGLActiveInfo> ret = activeList[index];
|
|
return ret.forget();
|
|
}
|
|
|
|
already_AddRefed<WebGLActiveInfo>
|
|
WebGLProgram::GetActiveUniform(GLuint index) const
|
|
{
|
|
if (!mMostRecentLinkInfo) {
|
|
// According to the spec, this can return null.
|
|
RefPtr<WebGLActiveInfo> ret = WebGLActiveInfo::CreateInvalid(mContext);
|
|
return ret.forget();
|
|
}
|
|
|
|
const auto& activeList = mMostRecentLinkInfo->activeUniforms;
|
|
|
|
if (index >= activeList.size()) {
|
|
mContext->ErrorInvalidValue("`index` (%i) must be less than %s (%i).",
|
|
index, "ACTIVE_UNIFORMS", activeList.size());
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<WebGLActiveInfo> ret = activeList[index];
|
|
return ret.forget();
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetAttachedShaders(nsTArray<RefPtr<WebGLShader>>* const out) const
|
|
{
|
|
out->TruncateLength(0);
|
|
|
|
if (mVertShader)
|
|
out->AppendElement(mVertShader);
|
|
|
|
if (mFragShader)
|
|
out->AppendElement(mFragShader);
|
|
}
|
|
|
|
GLint
|
|
WebGLProgram::GetAttribLocation(const nsAString& userName_wide) const
|
|
{
|
|
if (!ValidateGLSLVariableName(userName_wide, mContext, "getAttribLocation"))
|
|
return -1;
|
|
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getAttribLocation: `program` must be linked.");
|
|
return -1;
|
|
}
|
|
|
|
const NS_LossyConvertUTF16toASCII userName(userName_wide);
|
|
|
|
const WebGLActiveInfo* info;
|
|
if (!LinkInfo()->FindAttrib(userName, &info))
|
|
return -1;
|
|
|
|
const nsCString& mappedName = info->mBaseMappedName;
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
|
|
return gl->fGetAttribLocation(mGLName, mappedName.BeginReading());
|
|
}
|
|
|
|
GLint
|
|
WebGLProgram::GetFragDataLocation(const nsAString& userName_wide) const
|
|
{
|
|
if (!ValidateGLSLVariableName(userName_wide, mContext, "getFragDataLocation"))
|
|
return -1;
|
|
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getFragDataLocation: `program` must be linked.");
|
|
return -1;
|
|
}
|
|
|
|
const NS_LossyConvertUTF16toASCII userName(userName_wide);
|
|
|
|
nsCString mappedName;
|
|
if (!LinkInfo()->FindFragData(userName, &mappedName))
|
|
return -1;
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
|
|
return gl->fGetFragDataLocation(mGLName, mappedName.BeginReading());
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetProgramInfoLog(nsAString* const out) const
|
|
{
|
|
CopyASCIItoUTF16(mLinkLog, *out);
|
|
}
|
|
|
|
static GLint
|
|
GetProgramiv(gl::GLContext* gl, GLuint program, GLenum pname)
|
|
{
|
|
GLint ret = 0;
|
|
gl->fGetProgramiv(program, pname, &ret);
|
|
return ret;
|
|
}
|
|
|
|
JS::Value
|
|
WebGLProgram::GetProgramParameter(GLenum pname) const
|
|
{
|
|
gl::GLContext* gl = mContext->gl;
|
|
gl->MakeCurrent();
|
|
|
|
if (mContext->IsWebGL2()) {
|
|
switch (pname) {
|
|
case LOCAL_GL_ACTIVE_UNIFORM_BLOCKS:
|
|
return JS::Int32Value(GetProgramiv(gl, mGLName, pname));
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_VARYINGS:
|
|
return JS::Int32Value(mTransformFeedbackVaryings.size());
|
|
}
|
|
}
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_ATTACHED_SHADERS:
|
|
case LOCAL_GL_ACTIVE_UNIFORMS:
|
|
case LOCAL_GL_ACTIVE_ATTRIBUTES:
|
|
return JS::Int32Value(GetProgramiv(gl, mGLName, pname));
|
|
|
|
case LOCAL_GL_DELETE_STATUS:
|
|
return JS::BooleanValue(IsDeleteRequested());
|
|
|
|
case LOCAL_GL_LINK_STATUS:
|
|
return JS::BooleanValue(IsLinked());
|
|
|
|
case LOCAL_GL_VALIDATE_STATUS:
|
|
#ifdef XP_MACOSX
|
|
// See comment in ValidateProgram.
|
|
if (gl->WorkAroundDriverBugs())
|
|
return JS::BooleanValue(true);
|
|
#endif
|
|
return JS::BooleanValue(bool(GetProgramiv(gl, mGLName, pname)));
|
|
|
|
default:
|
|
mContext->ErrorInvalidEnumInfo("getProgramParameter: `pname`",
|
|
pname);
|
|
return JS::NullValue();
|
|
}
|
|
}
|
|
|
|
GLuint
|
|
WebGLProgram::GetUniformBlockIndex(const nsAString& userName_wide) const
|
|
{
|
|
if (!ValidateGLSLVariableName(userName_wide, mContext, "getUniformBlockIndex"))
|
|
return LOCAL_GL_INVALID_INDEX;
|
|
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getUniformBlockIndex: `program` must be linked.");
|
|
return LOCAL_GL_INVALID_INDEX;
|
|
}
|
|
|
|
const NS_LossyConvertUTF16toASCII userName(userName_wide);
|
|
|
|
nsDependentCString baseUserName;
|
|
bool isArray;
|
|
size_t arrayIndex;
|
|
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex))
|
|
return LOCAL_GL_INVALID_INDEX;
|
|
|
|
RefPtr<const webgl::UniformBlockInfo> info;
|
|
if (!LinkInfo()->FindUniformBlock(baseUserName, &info)) {
|
|
return LOCAL_GL_INVALID_INDEX;
|
|
}
|
|
|
|
const nsCString& baseMappedName = info->mBaseMappedName;
|
|
nsAutoCString mappedName(baseMappedName);
|
|
if (isArray) {
|
|
mappedName.AppendLiteral("[");
|
|
mappedName.AppendInt(uint32_t(arrayIndex));
|
|
mappedName.AppendLiteral("]");
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
|
|
return gl->fGetUniformBlockIndex(mGLName, mappedName.BeginReading());
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetActiveUniformBlockName(GLuint uniformBlockIndex, nsAString& retval) const
|
|
{
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getActiveUniformBlockName: `program` must be linked.");
|
|
return;
|
|
}
|
|
|
|
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
|
|
GLuint uniformBlockCount = (GLuint) linkInfo->uniformBlocks.size();
|
|
if (uniformBlockIndex >= uniformBlockCount) {
|
|
mContext->ErrorInvalidValue("getActiveUniformBlockName: index %u invalid.", uniformBlockIndex);
|
|
return;
|
|
}
|
|
|
|
const webgl::UniformBlockInfo* blockInfo = linkInfo->uniformBlocks[uniformBlockIndex];
|
|
|
|
retval.Assign(NS_ConvertASCIItoUTF16(blockInfo->mBaseUserName));
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetActiveUniformBlockParam(GLuint uniformBlockIndex, GLenum pname,
|
|
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval) const
|
|
{
|
|
retval.SetNull();
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
|
|
return;
|
|
}
|
|
|
|
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
|
|
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
|
|
if (uniformBlockIndex >= uniformBlockCount) {
|
|
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
|
|
return;
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
GLint param = 0;
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
|
|
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
|
|
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
|
|
retval.SetValue().SetAsBoolean() = (param != 0);
|
|
return;
|
|
|
|
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
|
|
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
|
|
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
|
|
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
|
|
retval.SetValue().SetAsUnsignedLong() = param;
|
|
return;
|
|
}
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetActiveUniformBlockActiveUniforms(JSContext* cx, GLuint uniformBlockIndex,
|
|
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval,
|
|
ErrorResult& rv) const
|
|
{
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
|
|
return;
|
|
}
|
|
|
|
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
|
|
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
|
|
if (uniformBlockIndex >= uniformBlockCount) {
|
|
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
|
|
return;
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
GLint activeUniformCount = 0;
|
|
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
|
|
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS,
|
|
&activeUniformCount);
|
|
JS::RootedObject obj(cx, dom::Uint32Array::Create(cx, mContext, activeUniformCount,
|
|
nullptr));
|
|
if (!obj) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
return;
|
|
}
|
|
|
|
dom::Uint32Array result;
|
|
DebugOnly<bool> inited = result.Init(obj);
|
|
MOZ_ASSERT(inited);
|
|
result.ComputeLengthAndData();
|
|
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex,
|
|
LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES,
|
|
(GLint*)result.Data());
|
|
|
|
inited = retval.SetValue().SetAsUint32Array().Init(obj);
|
|
MOZ_ASSERT(inited);
|
|
}
|
|
|
|
already_AddRefed<WebGLUniformLocation>
|
|
WebGLProgram::GetUniformLocation(const nsAString& userName_wide) const
|
|
{
|
|
if (!ValidateGLSLVariableName(userName_wide, mContext, "getUniformLocation"))
|
|
return nullptr;
|
|
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getUniformLocation: `program` must be linked.");
|
|
return nullptr;
|
|
}
|
|
|
|
const NS_LossyConvertUTF16toASCII userName(userName_wide);
|
|
|
|
nsDependentCString baseUserName;
|
|
bool isArray;
|
|
size_t arrayIndex;
|
|
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex))
|
|
return nullptr;
|
|
|
|
const WebGLActiveInfo* activeInfo;
|
|
if (!LinkInfo()->FindUniform(baseUserName, &activeInfo))
|
|
return nullptr;
|
|
|
|
const nsCString& baseMappedName = activeInfo->mBaseMappedName;
|
|
|
|
nsAutoCString mappedName(baseMappedName);
|
|
if (isArray) {
|
|
mappedName.AppendLiteral("[");
|
|
mappedName.AppendInt(uint32_t(arrayIndex));
|
|
mappedName.AppendLiteral("]");
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
|
|
GLint loc = gl->fGetUniformLocation(mGLName, mappedName.BeginReading());
|
|
if (loc == -1)
|
|
return nullptr;
|
|
|
|
RefPtr<WebGLUniformLocation> locObj = new WebGLUniformLocation(mContext, LinkInfo(),
|
|
loc, activeInfo);
|
|
return locObj.forget();
|
|
}
|
|
|
|
void
|
|
WebGLProgram::GetUniformIndices(const dom::Sequence<nsString>& uniformNames,
|
|
dom::Nullable< nsTArray<GLuint> >& retval) const
|
|
{
|
|
size_t count = uniformNames.Length();
|
|
nsTArray<GLuint>& arr = retval.SetValue();
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
|
|
for (size_t i = 0; i < count; i++) {
|
|
const NS_LossyConvertUTF16toASCII userName(uniformNames[i]);
|
|
|
|
nsDependentCString baseUserName;
|
|
bool isArray;
|
|
size_t arrayIndex;
|
|
if (!ParseName(userName, &baseUserName, &isArray, &arrayIndex)) {
|
|
arr.AppendElement(LOCAL_GL_INVALID_INDEX);
|
|
continue;
|
|
}
|
|
|
|
const WebGLActiveInfo* activeInfo;
|
|
if (!LinkInfo()->FindUniform(baseUserName, &activeInfo)) {
|
|
arr.AppendElement(LOCAL_GL_INVALID_INDEX);
|
|
continue;
|
|
}
|
|
|
|
const nsCString& baseMappedName = activeInfo->mBaseMappedName;
|
|
|
|
nsAutoCString mappedName(baseMappedName);
|
|
if (isArray) {
|
|
mappedName.AppendLiteral("[");
|
|
mappedName.AppendInt(uint32_t(arrayIndex));
|
|
mappedName.AppendLiteral("]");
|
|
}
|
|
|
|
const GLchar* mappedNameBytes = mappedName.BeginReading();
|
|
|
|
GLuint index = 0;
|
|
gl->fGetUniformIndices(mGLName, 1, &mappedNameBytes, &index);
|
|
arr.AppendElement(index);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
WebGLProgram::UniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) const
|
|
{
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getActiveUniformBlockName: `program` must be linked.");
|
|
return;
|
|
}
|
|
|
|
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
|
|
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
|
|
if (uniformBlockIndex >= uniformBlockCount) {
|
|
mContext->ErrorInvalidValue("getActiveUniformBlockName: index %u invalid.", uniformBlockIndex);
|
|
return;
|
|
}
|
|
|
|
if (uniformBlockBinding > mContext->mGLMaxUniformBufferBindings) {
|
|
mContext->ErrorInvalidEnum("getActiveUniformBlockName: binding %u invalid.", uniformBlockBinding);
|
|
return;
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->GL();
|
|
gl->MakeCurrent();
|
|
gl->fUniformBlockBinding(mGLName, uniformBlockIndex, uniformBlockBinding);
|
|
}
|
|
|
|
bool
|
|
WebGLProgram::LinkProgram()
|
|
{
|
|
mContext->InvalidateBufferFetching(); // we do it early in this function
|
|
// as some of the validation below changes program state
|
|
|
|
mLinkLog.Truncate();
|
|
mMostRecentLinkInfo = nullptr;
|
|
|
|
if (!mVertShader || !mVertShader->IsCompiled()) {
|
|
mLinkLog.AssignLiteral("Must have a compiled vertex shader attached.");
|
|
mContext->GenerateWarning("linkProgram: %s", mLinkLog.BeginReading());
|
|
return false;
|
|
}
|
|
|
|
if (!mFragShader || !mFragShader->IsCompiled()) {
|
|
mLinkLog.AssignLiteral("Must have an compiled fragment shader attached.");
|
|
mContext->GenerateWarning("linkProgram: %s", mLinkLog.BeginReading());
|
|
return false;
|
|
}
|
|
|
|
if (!mFragShader->CanLinkTo(mVertShader, &mLinkLog)) {
|
|
mContext->GenerateWarning("linkProgram: %s", mLinkLog.BeginReading());
|
|
return false;
|
|
}
|
|
|
|
gl::GLContext* gl = mContext->gl;
|
|
gl->MakeCurrent();
|
|
|
|
// Bug 777028: Mesa can't handle more than 16 samplers per program,
|
|
// counting each array entry.
|
|
size_t numSamplerUniforms_upperBound = mVertShader->CalcNumSamplerUniforms() +
|
|
mFragShader->CalcNumSamplerUniforms();
|
|
if (gl->WorkAroundDriverBugs() &&
|
|
mContext->mIsMesa &&
|
|
numSamplerUniforms_upperBound > 16)
|
|
{
|
|
mLinkLog.AssignLiteral("Programs with more than 16 samplers are disallowed on"
|
|
" Mesa drivers to avoid crashing.");
|
|
mContext->GenerateWarning("linkProgram: %s", mLinkLog.BeginReading());
|
|
return false;
|
|
}
|
|
|
|
// Bind the attrib locations.
|
|
// This can't be done trivially, because we have to deal with mapped attrib names.
|
|
for (auto itr = mBoundAttribLocs.begin(); itr != mBoundAttribLocs.end(); ++itr) {
|
|
const nsCString& name = itr->first;
|
|
GLuint index = itr->second;
|
|
|
|
mVertShader->BindAttribLocation(mGLName, name, index);
|
|
}
|
|
|
|
if (!mTransformFeedbackVaryings.empty()) {
|
|
// Bind the transform feedback varyings.
|
|
// This can't be done trivially, because we have to deal with mapped names too.
|
|
mVertShader->ApplyTransformFeedbackVaryings(mGLName,
|
|
mTransformFeedbackVaryings,
|
|
mTransformFeedbackBufferMode,
|
|
&mTempMappedVaryings);
|
|
}
|
|
|
|
if (LinkAndUpdate())
|
|
return true;
|
|
|
|
// Failed link.
|
|
if (mContext->ShouldGenerateWarnings()) {
|
|
// report shader/program infoLogs as warnings.
|
|
// note that shader compilation errors can be deferred to linkProgram,
|
|
// which is why we can't do anything in compileShader. In practice we could
|
|
// report in compileShader the translation errors generated by ANGLE,
|
|
// but it seems saner to keep a single way of obtaining shader infologs.
|
|
if (!mLinkLog.IsEmpty()) {
|
|
mContext->GenerateWarning("linkProgram: Failed to link, leaving the following"
|
|
" log:\n%s\n",
|
|
mLinkLog.BeginReading());
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
WebGLProgram::UseProgram() const
|
|
{
|
|
if (!mMostRecentLinkInfo) {
|
|
mContext->ErrorInvalidOperation("useProgram: Program has not been successfully"
|
|
" linked.");
|
|
return false;
|
|
}
|
|
|
|
mContext->MakeContextCurrent();
|
|
|
|
mContext->InvalidateBufferFetching();
|
|
|
|
mContext->gl->fUseProgram(mGLName);
|
|
return true;
|
|
}
|
|
|
|
void
|
|
WebGLProgram::ValidateProgram() const
|
|
{
|
|
mContext->MakeContextCurrent();
|
|
gl::GLContext* gl = mContext->gl;
|
|
|
|
#ifdef XP_MACOSX
|
|
// See bug 593867 for NVIDIA and bug 657201 for ATI. The latter is confirmed
|
|
// with Mac OS 10.6.7.
|
|
if (gl->WorkAroundDriverBugs()) {
|
|
mContext->GenerateWarning("validateProgram: Implemented as a no-op on"
|
|
" Mac to work around crashes.");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
gl->fValidateProgram(mGLName);
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool
|
|
WebGLProgram::LinkAndUpdate()
|
|
{
|
|
mMostRecentLinkInfo = nullptr;
|
|
|
|
gl::GLContext* gl = mContext->gl;
|
|
gl->fLinkProgram(mGLName);
|
|
|
|
// Grab the program log.
|
|
GLuint logLenWithNull = 0;
|
|
gl->fGetProgramiv(mGLName, LOCAL_GL_INFO_LOG_LENGTH, (GLint*)&logLenWithNull);
|
|
if (logLenWithNull > 1) {
|
|
mLinkLog.SetLength(logLenWithNull - 1);
|
|
gl->fGetProgramInfoLog(mGLName, logLenWithNull, nullptr, mLinkLog.BeginWriting());
|
|
} else {
|
|
mLinkLog.SetLength(0);
|
|
}
|
|
|
|
// Post link, temporary mapped varying names for transform feedback can be discarded.
|
|
// The memory can only be deleted after log is queried or the link status will fail.
|
|
std::vector<std::string> empty;
|
|
empty.swap(mTempMappedVaryings);
|
|
|
|
GLint ok = 0;
|
|
gl->fGetProgramiv(mGLName, LOCAL_GL_LINK_STATUS, &ok);
|
|
if (!ok)
|
|
return false;
|
|
|
|
mMostRecentLinkInfo = QueryProgramInfo(this, gl);
|
|
|
|
MOZ_ASSERT(mMostRecentLinkInfo);
|
|
if (!mMostRecentLinkInfo)
|
|
mLinkLog.AssignLiteral("Failed to gather program info.");
|
|
|
|
return mMostRecentLinkInfo;
|
|
}
|
|
|
|
bool
|
|
WebGLProgram::FindAttribUserNameByMappedName(const nsACString& mappedName,
|
|
nsDependentCString* const out_userName) const
|
|
{
|
|
if (mVertShader->FindAttribUserNameByMappedName(mappedName, out_userName))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
WebGLProgram::FindUniformByMappedName(const nsACString& mappedName,
|
|
nsCString* const out_userName,
|
|
bool* const out_isArray) const
|
|
{
|
|
if (mVertShader->FindUniformByMappedName(mappedName, out_userName, out_isArray))
|
|
return true;
|
|
|
|
if (mFragShader->FindUniformByMappedName(mappedName, out_userName, out_isArray))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
WebGLProgram::TransformFeedbackVaryings(const dom::Sequence<nsString>& varyings,
|
|
GLenum bufferMode)
|
|
{
|
|
if (bufferMode != LOCAL_GL_INTERLEAVED_ATTRIBS &&
|
|
bufferMode != LOCAL_GL_SEPARATE_ATTRIBS)
|
|
{
|
|
mContext->ErrorInvalidEnum("transformFeedbackVaryings: `bufferMode` %s is "
|
|
"invalid. Must be one of gl.INTERLEAVED_ATTRIBS or "
|
|
"gl.SEPARATE_ATTRIBS.",
|
|
mContext->EnumName(bufferMode));
|
|
return;
|
|
}
|
|
|
|
size_t varyingsCount = varyings.Length();
|
|
if (bufferMode == LOCAL_GL_SEPARATE_ATTRIBS &&
|
|
varyingsCount >= mContext->mGLMaxTransformFeedbackSeparateAttribs)
|
|
{
|
|
mContext->ErrorInvalidValue("transformFeedbackVaryings: Number of `varyings` exc"
|
|
"eeds gl.MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS.");
|
|
return;
|
|
}
|
|
|
|
std::vector<nsCString> asciiVaryings;
|
|
for (size_t i = 0; i < varyingsCount; i++) {
|
|
if (!ValidateGLSLVariableName(varyings[i], mContext, "transformFeedbackVaryings"))
|
|
return;
|
|
|
|
NS_LossyConvertUTF16toASCII asciiName(varyings[i]);
|
|
asciiVaryings.push_back(asciiName);
|
|
}
|
|
|
|
// All validated. Translate the strings and store them until
|
|
// program linking.
|
|
mTransformFeedbackBufferMode = bufferMode;
|
|
mTransformFeedbackVaryings.swap(asciiVaryings);
|
|
}
|
|
|
|
already_AddRefed<WebGLActiveInfo>
|
|
WebGLProgram::GetTransformFeedbackVarying(GLuint index)
|
|
{
|
|
// No docs in the WebGL 2 spec for this function. Taking the language for
|
|
// getActiveAttrib, which states that the function returns null on any error.
|
|
if (!IsLinked()) {
|
|
mContext->ErrorInvalidOperation("getTransformFeedbackVarying: `program` must be "
|
|
"linked.");
|
|
return nullptr;
|
|
}
|
|
|
|
if (index >= mTransformFeedbackVaryings.size()) {
|
|
mContext->ErrorInvalidValue("getTransformFeedbackVarying: `index` is greater or "
|
|
"equal to TRANSFORM_FEEDBACK_VARYINGS.");
|
|
return nullptr;
|
|
}
|
|
|
|
const nsCString& varyingUserName = mTransformFeedbackVaryings[index];
|
|
|
|
WebGLActiveInfo* info;
|
|
LinkInfo()->FindAttrib(varyingUserName, (const WebGLActiveInfo**) &info);
|
|
MOZ_ASSERT(info);
|
|
|
|
RefPtr<WebGLActiveInfo> ret(info);
|
|
return ret.forget();
|
|
}
|
|
|
|
bool
|
|
WebGLProgram::FindUniformBlockByMappedName(const nsACString& mappedName,
|
|
nsCString* const out_userName,
|
|
bool* const out_isArray) const
|
|
{
|
|
if (mVertShader->FindUniformBlockByMappedName(mappedName, out_userName, out_isArray))
|
|
return true;
|
|
|
|
if (mFragShader->FindUniformBlockByMappedName(mappedName, out_userName, out_isArray))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
JSObject*
|
|
WebGLProgram::WrapObject(JSContext* js, JS::Handle<JSObject*> givenProto)
|
|
{
|
|
return dom::WebGLProgramBinding::Wrap(js, this, givenProto);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WebGLProgram, mVertShader, mFragShader)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLProgram, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLProgram, Release)
|
|
|
|
} // namespace mozilla
|