etc
/
obs-StreamFX
mirror of https://github.com/Xaymar/obs-StreamFX
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

gs: Wrap OBS Graphics Subsystem in proper C++ classes

This commit is contained in:
Michael Fabian Dirks 2017-09-17 21:55:16 +02:00
parent 52b70ff6de
commit eb1612c6ee
15 changed files with 1313 additions and 133 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
CMakeLists.txt
View File

@ -30,6 +30,14 @@ SET(obs-stream-effects_HEADERS
"${PROJECT_SOURCE_DIR}/source/filter-shape.h"
"${PROJECT_SOURCE_DIR}/source/filter-transform.h"
"${PROJECT_SOURCE_DIR}/source/gs-helper.h"
"${PROJECT_SOURCE_DIR}/source/gs-effect.h"
"${PROJECT_SOURCE_DIR}/source/gs-indexbuffer.h"
"${PROJECT_SOURCE_DIR}/source/gs-mipmapper.h"
"${PROJECT_SOURCE_DIR}/source/gs-rendertarget.h"
"${PROJECT_SOURCE_DIR}/source/gs-texture.h"
"${PROJECT_SOURCE_DIR}/source/gs-vertex.h"
"${PROJECT_SOURCE_DIR}/source/gs-vertexbuffer.h"
"${PROJECT_SOURCE_DIR}/source/gs-mipmapper.h"
"${PROJECT_BINARY_DIR}/source/version.h"
"${PROJECT_SOURCE_DIR}/source/strings.h"
)
@ -40,6 +48,25 @@ SET(obs-stream-effects_SOURCES
"${PROJECT_SOURCE_DIR}/source/filter-shape.cpp"
"${PROJECT_SOURCE_DIR}/source/filter-transform.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-helper.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-effect.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-indexbuffer.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-mipmapper.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-rendertarget.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-texture.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-vertex.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-vertexbuffer.cpp"
"${PROJECT_SOURCE_DIR}/source/gs-mipmapper.cpp"
)
SET(obs-stream-effects_LOCALE
"${PROJECT_SOURCE_DIR}/data/locale/en-US.ini"
)
SET(obs-stream-effects_EFFECTS
"${PROJECT_SOURCE_DIR}/data/effects/bilateral-blur.effect"
"${PROJECT_SOURCE_DIR}/data/effects/box-blur.effect"
"${PROJECT_SOURCE_DIR}/data/effects/gaussian-blur.effect"
"${PROJECT_SOURCE_DIR}/data/effects/displace.effect"
"${PROJECT_SOURCE_DIR}/data/effects/color-conversion.effect"
"${PROJECT_SOURCE_DIR}/data/effects/mip-mapper.effect"
)
SET(obs-stream-effects_LOCALE
"${PROJECT_SOURCE_DIR}/data/locale/en-US.ini"

228
source/gs-effect.cpp Normal file
View File

@ -0,0 +1,228 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-effect.h"
#include <stdexcept>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/obs.h>
#pragma warning( pop )
}
GS::Effect::Effect(std::string file) {
obs_enter_graphics();
char* errorMessage = nullptr;
m_effect = gs_effect_create_from_file(file.c_str(), &errorMessage);
if (!m_effect || errorMessage) {
std::string error(errorMessage);
bfree((void*)errorMessage);
obs_leave_graphics();
throw std::runtime_error(error);
}
obs_leave_graphics();
}
GS::Effect::Effect(std::string code, std::string name) {
obs_enter_graphics();
char* errorMessage = nullptr;
m_effect = gs_effect_create(code.c_str(), name.c_str(), &errorMessage);
if (!m_effect || errorMessage) {
std::string error(errorMessage);
bfree((void*)errorMessage);
obs_leave_graphics();
throw std::runtime_error(error);
}
obs_leave_graphics();
}
GS::Effect::~Effect() {
obs_enter_graphics();
gs_effect_destroy(m_effect);
obs_leave_graphics();
}
gs_effect_t* GS::Effect::GetObject() {
return m_effect;
}
std::vector<GS::EffectParameter> GS::Effect::GetParameters() {
size_t num = gs_effect_get_num_params(m_effect);
std::vector<GS::EffectParameter> ps;
ps.reserve(num);
for (size_t idx = 0; idx < num; idx++) {
ps.emplace_back(EffectParameter(gs_effect_get_param_by_idx(m_effect, idx)));
}
return ps;
}
GS::EffectParameter GS::Effect::GetParameterByName(std::string name) {
gs_eparam_t* param = gs_effect_get_param_by_name(m_effect, name.c_str());
if (!param)
throw std::invalid_argument("parameter with name not found");
return EffectParameter(param);
}
GS::EffectParameter::EffectParameter(gs_eparam_t* param) {
if (!param)
throw std::invalid_argument("param is null");
m_param = param;
gs_effect_get_param_info(m_param, &m_paramInfo);
}
GS::EffectParameter::Type GS::EffectParameter::GetType() {
switch (m_paramInfo.type) {
case GS_SHADER_PARAM_BOOL:
return Type::Boolean;
case GS_SHADER_PARAM_FLOAT:
return Type::Float;
case GS_SHADER_PARAM_VEC2:
return Type::Float2;
case GS_SHADER_PARAM_VEC3:
return Type::Float3;
case GS_SHADER_PARAM_VEC4:
return Type::Float4;
case GS_SHADER_PARAM_INT:
return Type::Integer;
case GS_SHADER_PARAM_INT2:
return Type::Integer2;
case GS_SHADER_PARAM_INT3:
return Type::Integer3;
case GS_SHADER_PARAM_INT4:
return Type::Integer4;
case GS_SHADER_PARAM_MATRIX4X4:
return Type::Matrix;
case GS_SHADER_PARAM_TEXTURE:
return Type::Texture;
//case GS_SHADER_PARAM_STRING:
// return Type::String;
default:
case GS_SHADER_PARAM_UNKNOWN:
return Type::Unknown;
}
}
void GS::EffectParameter::SetBoolean(bool v) {
if (GetType() != Type::Boolean)
throw std::bad_cast();
gs_effect_set_bool(m_param, v);
}
void GS::EffectParameter::SetBooleanArray(bool v[], size_t sz) {
if (GetType() != Type::Boolean)
throw std::bad_cast();
gs_effect_set_val(m_param, v, sz);
}
void GS::EffectParameter::SetFloat(float_t x) {
if (GetType() != Type::Float)
throw std::bad_cast();
gs_effect_set_float(m_param, x);
}
void GS::EffectParameter::SetFloat2(vec2& v) {
if (GetType() != Type::Float2)
throw std::bad_cast();
gs_effect_set_vec2(m_param, &v);
}
void GS::EffectParameter::SetFloat2(float_t x, float_t y) {
if (GetType() != Type::Float2)
throw std::bad_cast();
float_t v[] = { x, y };
SetFloatArray(v, 2);
}
void GS::EffectParameter::SetFloat3(vec3& v) {
if (GetType() != Type::Float3)
throw std::bad_cast();
gs_effect_set_vec3(m_param, &v);
}
void GS::EffectParameter::SetFloat3(float_t x, float_t y, float_t z) {
if (GetType() != Type::Float3)
throw std::bad_cast();
float_t v[] = { x, y, z };
SetFloatArray(v, 3);
}
void GS::EffectParameter::SetFloat4(vec4& v) {
if (GetType() != Type::Float4)
throw std::bad_cast();
gs_effect_set_vec4(m_param, &v);
}
void GS::EffectParameter::SetFloat4(float_t x, float_t y, float_t z, float_t w) {
if (GetType() != Type::Float4)
throw std::bad_cast();
float_t v[] = { x, y, z, w };
SetFloatArray(v, 4);
}
void GS::EffectParameter::SetFloatArray(float_t v[], size_t sz) {
if (GetType() != Type::Float)
throw std::bad_cast();
gs_effect_set_val(m_param, v, sz);
}
void GS::EffectParameter::SetInteger(int32_t x) {
if (GetType() != Type::Integer)
throw std::bad_cast();
gs_effect_set_int(m_param, x);
}
void GS::EffectParameter::SetInteger2(int32_t x, int32_t y) {
if (GetType() != Type::Integer2)
throw std::bad_cast();
int32_t v[] = { x, y };
gs_effect_set_val(m_param, v, 2);
}
void GS::EffectParameter::SetInteger3(int32_t x, int32_t y, int32_t z) {
if (GetType() != Type::Integer3)
throw std::bad_cast();
int32_t v[] = { x, y, z };
gs_effect_set_val(m_param, v, 3);
}
void GS::EffectParameter::SetInteger4(int32_t x, int32_t y, int32_t z, int32_t w) {
if (GetType() != Type::Integer4)
throw std::bad_cast();
int32_t v[] = { x, y, z, w };
gs_effect_set_val(m_param, v, 4);
}
void GS::EffectParameter::SetIntegerArray(int32_t v[], size_t sz) {
if (GetType() != Type::Integer)
throw std::bad_cast();
gs_effect_set_val(m_param, v, sz);
}
void GS::EffectParameter::SetMatrix(matrix4& v) {
if (GetType() != Type::Matrix)
throw std::bad_cast();
gs_effect_set_matrix4(m_param, &v);
}
void GS::EffectParameter::SetTexture(std::shared_ptr<GS::Texture> v) {
if (GetType() != Type::Texture)
throw std::bad_cast();
gs_effect_set_texture(m_param, v->GetObject());
}

100
source/gs-effect.h Normal file
View File

@ -0,0 +1,100 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include "gs-texture.h"
#include <inttypes.h>
#include <memory>
#include <string>
#include <vector>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/graphics.h>
#include <libobs/graphics/matrix4.h>
#include <libobs/graphics/vec4.h>
#include <libobs/graphics/vec3.h>
#include <libobs/graphics/vec2.h>
#pragma warning( pop )
}
namespace GS {
class EffectParameter {
public:
enum class Type : uint8_t {
Unknown,
Boolean,
Float,
Float2,
Float3,
Float4,
Integer,
Integer2,
Integer3,
Integer4,
Matrix,
String,
Texture,
};
public:
EffectParameter(gs_eparam_t* param);
Type GetType();
void SetBoolean(bool v);
void SetBooleanArray(bool v[], size_t sz);
void SetFloat(float_t x);
void SetFloat2(vec2& v);
void SetFloat2(float_t x, float_t y);
void SetFloat3(vec3& v);
void SetFloat3(float_t x, float_t y, float_t z);
void SetFloat4(vec4& v);
void SetFloat4(float_t x, float_t y, float_t z, float_t w);
void SetFloatArray(float_t v[], size_t sz);
void SetInteger(int32_t x);
void SetInteger2(int32_t x, int32_t y);
void SetInteger3(int32_t x, int32_t y, int32_t z);
void SetInteger4(int32_t x, int32_t y, int32_t z, int32_t w);
void SetIntegerArray(int32_t v[], size_t sz);
void SetMatrix(matrix4& v);
void SetTexture(std::shared_ptr<GS::Texture> v);
void SetTextureSampler();
private:
gs_eparam_t* m_param;
gs_effect_param_info m_paramInfo;
};
class Effect {
public:
Effect(std::string file);
Effect(std::string code, std::string name);
virtual ~Effect();
gs_effect_t* GetObject();
std::vector<EffectParameter> GetParameters();
EffectParameter GetParameterByName(std::string name);
protected:
gs_effect_t* m_effect;
};
}

93
source/gs-helper.cpp
View File

@ -18,96 +18,3 @@
*/
#include "gs-helper.h"
Helper::VertexBuffer::VertexBuffer(size_t maxVertices) {
m_positions.resize(maxVertices);
m_normals.resize(maxVertices);
m_tangents.resize(maxVertices);
m_colors.resize(maxVertices);
m_uvs.resize(8);
m_uvArrays.resize(8);
for (size_t idx = 0; idx < 8; idx++) {
m_uvs[idx].resize(maxVertices);
m_uvArrays[idx].width = 2;
m_uvArrays[idx].array = m_uvs[idx].data();
}
m_vertexData = gs_vbdata_create();
m_vertexData->num = maxVertices;
m_vertexData->points = m_positions.data();
m_vertexData->normals = m_normals.data();
m_vertexData->tangents = m_normals.data();
m_vertexData->colors = m_colors.data();
m_vertexData->num_tex = m_uvs.size();
m_vertexData->tvarray = m_uvArrays.data();
m_vertexBuffer = gs_vertexbuffer_create(m_vertexData, GS_DYNAMIC);
}
Helper::VertexBuffer::~VertexBuffer() {
std::memset(m_vertexData, 0, sizeof(gs_vb_data));
gs_vertexbuffer_destroy(m_vertexBuffer);
}
void Helper::VertexBuffer::set_uv_layers(size_t count) {
size_t realcount = count > 8 ? 8 : count;
m_uvs.resize(realcount);
}
size_t Helper::VertexBuffer::get_uv_layers() {
return m_uvs.size();
}
gs_vertbuffer_t* Helper::VertexBuffer::update() {
// Update Buffers
size_t verts = this->size();
m_positions.resize(verts);
m_normals.resize(verts);
m_tangents.resize(verts);
m_colors.resize(verts);
for (size_t layer = 0; layer < m_uvs.size(); layer++) {
m_uvs[layer].resize(verts);
m_uvArrays[layer].width = 2;
m_uvArrays[layer].array = m_uvs[layer].data();
}
// Prepare Vertex Data
for (size_t vert = 0; vert < verts; vert++) {
Vertex& v = this->at(vert);
vec3_copy(&(m_positions.at(vert)), &v.position);
vec3_copy(&(m_normals.at(vert)), &v.normal);
vec3_copy(&(m_tangents.at(vert)), &v.tangent);
m_colors[vert] = v.color;
for (size_t layer = 0; layer < m_uvs.size(); layer++) {
vec2_copy(&m_uvs[layer][vert], &v.uv[layer]);
}
}
// Upload to GPU
m_vertexData->num = verts;
m_vertexData->points = m_positions.data();
m_vertexData->normals = m_normals.data();
m_vertexData->tangents = m_normals.data();
m_vertexData->colors = m_colors.data();
m_vertexData->num_tex = m_uvArrays.size();
m_vertexData->tvarray = m_uvArrays.data();
gs_vertexbuffer_flush(m_vertexBuffer);
return m_vertexBuffer;
}
Helper::Vertex::Vertex() {
position.x =
position.y =
position.z =
normal.x =
normal.y =
normal.z =
tangent.x =
tangent.y =
tangent.z = 0;
color = 0;
for (size_t idx = 0; idx < 8; idx++) {
uv[idx].x = uv[idx].y = 0;
}
}

120
source/gs-helper.h
View File

@ -19,45 +19,85 @@
#pragma once
#include "plugin.h"
extern "C" {
#pragma warning (push)
#pragma warning (disable: 4201)
#include "libobs/graphics/graphics.h"
#pragma warning (pop)
}
#include <vector>
namespace Helper {
struct Vertex {
Vertex();
vec3
position,
normal,
tangent;
vec2 uv[8];
uint32_t
color;
};
class VertexBuffer : public std::vector<Vertex> {
public:
VertexBuffer(size_t maxVertices);
virtual ~VertexBuffer();
void set_uv_layers(size_t count);
size_t get_uv_layers();
gs_vertbuffer_t* update();
private:
gs_vb_data *m_vertexData;
gs_vertbuffer_t *m_vertexBuffer;
std::vector<gs_tvertarray> m_uvArrays;
std::vector<vec3> m_positions, m_normals, m_tangents;
std::vector<uint32_t> m_colors;
std::vector<std::vector<vec2>> m_uvs;
};
extern "C" {
#pragma warning (push)
#pragma warning (disable: 4201)
#include "libobs/graphics/graphics.h"
#pragma warning (pop)
}
gs_effect_param* gs_effect_get_param(gs_effect_t* effect, const char* name) {
gs_effect_param* p = gs_effect_get_param_by_name(effect, name);
if (!p)
P_LOG_ERROR("Failed to find parameter %s in effect.", name);
return p;
}
bool gs_set_param_int(gs_effect_t* effect, const char* name, int value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_int(p, value);
return true;
}
P_LOG_ERROR("Failed to set value %d for parameter %s in"
" effect.", value, name);
return false;
}
bool gs_set_param_float(gs_effect_t* effect, const char* name, float value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_float(p, value);
return true;
}
P_LOG_ERROR("Failed to set value %f for parameter %s in"
" effect.", value, name);
return false;
}
bool gs_set_param_float2(gs_effect_t* effect, const char* name, vec2* value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_vec2(p, value);
return true;
}
P_LOG_ERROR("Failed to set value {%f,%f} for parameter %s"
" in effect.", value->x, value->y, name);
return false;
}
bool gs_set_param_float3(gs_effect_t* effect, const char* name, vec3* value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_vec3(p, value);
return true;
}
P_LOG_ERROR("Failed to set value {%f,%f,%f} for parameter"
"%s in effect.", value->x, value->y, value->z, name);
return false;
}
bool gs_set_param_float4(gs_effect_t* effect, const char* name, vec4* value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_vec4(p, value);
return true;
}
P_LOG_ERROR("Failed to set value {%f,%f,%f,%f} for"
" parameter %s in effect.", value->x, value->y, value->z,
value->w, name);
return false;
}
bool gs_set_param_texture(gs_effect_t* effect, const char* name, gs_texture_t* value) {
gs_effect_param* p = nullptr;
if (nullptr != (p = gs_effect_get_param(effect, name))) {
gs_effect_set_texture(p, value);
return true;
}
P_LOG_ERROR("Failed to set texture for"
" parameter %s in effect.", name);
return false;
}

65
source/gs-indexbuffer.cpp Normal file
View File

@ -0,0 +1,65 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-indexbuffer.h"
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/obs.h>
#pragma warning( pop )
}
const uint32_t defaultMaximumVertices = 65535u;
GS::IndexBuffer::IndexBuffer(uint32_t maximumVertices) {
this->reserve(maximumVertices);
obs_enter_graphics();
m_indexBuffer = gs_indexbuffer_create(gs_index_type::GS_UNSIGNED_LONG, this->data(), maximumVertices, GS_DYNAMIC);
obs_leave_graphics();
}
GS::IndexBuffer::IndexBuffer() : IndexBuffer(defaultMaximumVertices) {}
GS::IndexBuffer::IndexBuffer(IndexBuffer& other) : IndexBuffer(other.size()) {
std::copy(other.begin(), other.end(), this->end());
}
GS::IndexBuffer::IndexBuffer(std::vector<uint32_t>& other) : IndexBuffer(other.size()) {
std::copy(other.begin(), other.end(), this->end());
}
GS::IndexBuffer::~IndexBuffer() {
obs_enter_graphics();
gs_indexbuffer_destroy(m_indexBuffer);
obs_leave_graphics();
}
gs_indexbuffer_t* GS::IndexBuffer::get() {
return get(true);
}
gs_indexbuffer_t* GS::IndexBuffer::get(bool refreshGPU) {
if (refreshGPU) {
obs_enter_graphics();
gs_indexbuffer_flush(m_indexBuffer);
obs_leave_graphics();
}
return m_indexBuffer;
}

46
source/gs-indexbuffer.h Normal file
View File

@ -0,0 +1,46 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <inttypes.h>
#include <vector>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/graphics.h>
#pragma warning( pop )
}
namespace GS {
class IndexBuffer : public std::vector<uint32_t> {
public:
IndexBuffer(uint32_t maximumVertices);
IndexBuffer();
IndexBuffer(IndexBuffer& other);
IndexBuffer(std::vector<uint32_t>& other);
virtual ~IndexBuffer();
gs_indexbuffer_t* get();
gs_indexbuffer_t* get(bool refreshGPU);
protected:
gs_indexbuffer_t* m_indexBuffer;
};
}

77
source/gs-rendertarget.cpp Normal file
View File

@ -0,0 +1,77 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-rendertarget.h"
#include <stdexcept>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/obs.h>
#pragma warning( pop )
}
GS::RenderTarget::RenderTarget(gs_color_format colorFormat, gs_zstencil_format zsFormat) {
obs_enter_graphics();
m_renderTarget = gs_texrender_create(colorFormat, zsFormat);
obs_leave_graphics();
}
GS::RenderTarget::~RenderTarget() {
obs_enter_graphics();
gs_texrender_destroy(m_renderTarget);
obs_leave_graphics();
}
GS::RenderTargetOp GS::RenderTarget::Render(uint32_t width, uint32_t height) {
return { this, width, height };
}
gs_texture_t* GS::RenderTarget::GetTextureObject() {
obs_enter_graphics();
return gs_texrender_get_texture(m_renderTarget);
obs_leave_graphics();
}
GS::RenderTargetOp::RenderTargetOp(GS::RenderTarget* rt, uint32_t width, uint32_t height) : m_renderTarget(rt) {
if (m_renderTarget == nullptr)
throw std::invalid_argument("rt");
if (m_renderTarget->m_isBeingRendered)
throw std::logic_error("Can't start rendering to the same render target twice.");
obs_enter_graphics();
if (!gs_texrender_begin(m_renderTarget->m_renderTarget, width, height)) {
obs_leave_graphics();
throw std::runtime_error("Failed to begin rendering to render target.");
}
obs_leave_graphics();
m_renderTarget->m_isBeingRendered = true;
}
GS::RenderTargetOp::RenderTargetOp(GS::RenderTargetOp&& r) {
this->m_renderTarget = r.m_renderTarget;
r.m_renderTarget = nullptr;
}
GS::RenderTargetOp::~RenderTargetOp() {
if (m_renderTarget == nullptr)
return;
obs_enter_graphics();
gs_texrender_end(m_renderTarget->m_renderTarget);
obs_leave_graphics();
m_renderTarget->m_isBeingRendered = false;
}

60
source/gs-rendertarget.h Normal file
View File

@ -0,0 +1,60 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <inttypes.h>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/graphics.h>
#pragma warning( pop )
}
namespace GS {
class RenderTarget {
friend class RenderTargetOp;
public:
RenderTarget(gs_color_format colorFormat, gs_zstencil_format zsFormat);
virtual ~RenderTarget();
gs_texture_t* GetTextureObject();
GS::RenderTargetOp Render(uint32_t width, uint32_t height);
protected:
gs_texrender_t* m_renderTarget;
bool m_isBeingRendered;
};
class RenderTargetOp {
public:
RenderTargetOp(GS::RenderTarget* rt, uint32_t width, uint32_t height);
virtual ~RenderTargetOp();
// Move Constructor
RenderTargetOp(GS::RenderTargetOp&&);
// Copy Constructor
RenderTargetOp(const GS::RenderTargetOp&) = delete;
RenderTargetOp& operator=(const GS::RenderTargetOp& r) = delete;
protected:
GS::RenderTarget* m_renderTarget;
};
}

207
source/gs-texture.cpp Normal file
View File

@ -0,0 +1,207 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-texture.h"
#include <stdexcept>
#include <sys/stat.h>
#include <fstream>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/util/platform.h>
#include <libobs/obs.h>
#pragma warning( pop )
}
GS::Texture::Texture(uint32_t width, uint32_t height, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags) {
if (width == 0)
throw std::logic_error("width must be at least 1");
if (height == 0)
throw std::logic_error("height must be at least 1");
if (mip_levels == 0)
throw std::logic_error("mip_levels must be at least 1");
if (!mip_data)
throw std::logic_error("mip_data is invalid");
if (mip_levels > 1 || flags & Flags::BuildMipMaps) {
bool isPOT = (pow(2, (int64_t)floor(log(width) / log(2))) == width)
&& (pow(2, (int64_t)floor(log(height) / log(2))) == height);
if (!isPOT)
throw std::logic_error("mip mapping requires power of two dimensions");
}
obs_enter_graphics();
m_texture = gs_texture_create(width, height, format, mip_levels, mip_data, (flags & Flags::Dynamic) ? GS_DYNAMIC : 0 | (flags & Flags::BuildMipMaps) ? GS_BUILD_MIPMAPS : 0);
obs_leave_graphics();
if (!m_texture)
throw std::runtime_error("Failed to create texture.");
}
GS::Texture::Texture(uint32_t width, uint32_t height, uint32_t depth, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags) {
if (width == 0)
throw std::logic_error("width must be at least 1");
if (height == 0)
throw std::logic_error("height must be at least 1");
if (depth == 0)
throw std::logic_error("depth must be at least 1");
if (mip_levels == 0)
throw std::logic_error("mip_levels must be at least 1");
if (!mip_data)
throw std::logic_error("mip_data is invalid");
if (mip_levels > 1 || flags & Flags::BuildMipMaps) {
bool isPOT = (pow(2, (int64_t)floor(log(width) / log(2))) == width)
&& (pow(2, (int64_t)floor(log(height) / log(2))) == height)
&& (pow(2, (int64_t)floor(log(depth) / log(2))) == depth);
if (!isPOT)
throw std::logic_error("mip mapping requires power of two dimensions");
}
obs_enter_graphics();
m_texture = gs_voltexture_create(width, height, depth, format, mip_levels, mip_data, (flags & Flags::Dynamic) ? GS_DYNAMIC : 0 | (flags & Flags::BuildMipMaps) ? GS_BUILD_MIPMAPS : 0);
obs_leave_graphics();
if (!m_texture)
throw std::runtime_error("Failed to create texture.");
}
GS::Texture::Texture(uint32_t size, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags) {
if (size == 0)
throw std::logic_error("size must be at least 1");
if (mip_levels == 0)
throw std::logic_error("mip_levels must be at least 1");
if (!mip_data)
throw std::logic_error("mip_data is invalid");
if (mip_levels > 1 || flags & Flags::BuildMipMaps) {
bool isPOT = (pow(2, (int64_t)floor(log(size) / log(2))) == size);
if (!isPOT)
throw std::logic_error("mip mapping requires power of two dimensions");
}
obs_enter_graphics();
m_texture = gs_cubetexture_create(size, format, mip_levels, mip_data, (flags & Flags::Dynamic) ? GS_DYNAMIC : 0 | (flags & Flags::BuildMipMaps) ? GS_BUILD_MIPMAPS : 0);
obs_leave_graphics();
if (!m_texture)
throw std::runtime_error("Failed to create texture.");
}
GS::Texture::Texture(std::string file) {
struct stat st;
if (os_stat(file.c_str(), &st) != 0)
throw std::ios_base::failure(file);
obs_enter_graphics();
m_texture = gs_texture_create_from_file(file.c_str());
obs_leave_graphics();
if (!m_texture)
throw std::runtime_error("Failed to load texture.");
}
GS::Texture::Texture(Texture& other) {
throw std::logic_error("not yet implemented");
//obs_enter_graphics();
//switch (gs_get_texture_type(other.m_texture)) {
// case GS_TEXTURE_2D:
// uint32_t width = gs_texture_get_width(other.m_texture);
// uint32_t height = gs_texture_get_height(other.m_texture);
// gs_color_format format = gs_texture_get_color_format(other.m_texture);
// uint32_t mult = 0;
// switch (format) {
// case GS_A8:
// case GS_R8:
// mult = 1;
// break;
// case GS_R16:
// case GS_R16F:
// mult = 2;
// break;
// case GS_RG16F:
// case GS_R32F:
// case GS_BGRA:
// case GS_BGRX:
// case GS_RGBA:
// case GS_R10G10B10A2:
// mult = 4;
// break;
// case GS_RGBA16:
// case GS_RGBA16F:
// case GS_RG32F:
// mult = 8;
// break;
// case GS_RGBA32F:
// mult = 16;
// break;
// case GS_DXT1:
// case GS_DXT3:
// case GS_DXT5:
// mult = 8;
// break;
// }
// uint8_t* buf = new uint8_t[width * height * mult];
// m_texture = gs_texture_create(width, height, format,
// 1, &buf);
// delete buf;
// break;
// case GS_TEXTURE_3D:
// uint32_t width = gs_voltexture_get_width(other.m_texture);
// uint32_t height = gs_voltexture_get_height(other.m_texture);
// uint32_t depth = gs_voltexture_get_height(other.m_texture);
// gs_color_format format = gs_voltexture_get_color_format(other.m_texture);
// break;
// case GS_TEXTURE_CUBE:
// uint32_t size = gs_cubetexture_get_size(other.m_texture);
// gs_color_format format = gs_cubetexture_get_color_format(other.m_texture);
// gs_copy_texture()
// break;
//}
//obs_leave_graphics();
}
GS::Texture::~Texture() {
if (m_texture) {
obs_enter_graphics();
switch (gs_get_texture_type(m_texture)) {
case GS_TEXTURE_2D:
gs_texture_destroy(m_texture);
break;
case GS_TEXTURE_3D:
gs_voltexture_destroy(m_texture);
break;
case GS_TEXTURE_CUBE:
gs_cubetexture_destroy(m_texture);
break;
}
obs_leave_graphics();
}
m_texture = nullptr;
}
void GS::Texture::Load(int unit) {
obs_enter_graphics();
gs_load_texture(m_texture, unit);
obs_leave_graphics();
}
gs_texture_t* GS::Texture::GetObject() {
return m_texture;
}

148
source/gs-texture.h Normal file
View File

@ -0,0 +1,148 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <inttypes.h>
#include <string>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/graphics.h>
#pragma warning( pop )
}
namespace GS {
class Texture {
public:
enum Type : uint8_t {
Normal,
Volume,
Cube
};
enum Flags : uint32_t {
Dynamic,
BuildMipMaps,
};
public:
/*!
* \brief Create a new texture from data
*
*
*
* \param width
* \param height
* \param format
* \param mip_levels
* \param mip_data
* \param flags
*/
Texture(uint32_t width, uint32_t height, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags);
/*!
* \brief Create a new volume texture from data
*
*
*
* \param width
* \param height
* \param depth
* \param format
* \param mip_levels
* \param mip_data
* \param flags
*/
Texture(uint32_t width, uint32_t height, uint32_t depth, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags);
/*!
* \brief Create a new cube texture from data
*
*
*
* \param size
* \param format
* \param mip_levels
* \param mip_data
* \param flags
*/
Texture(uint32_t size, gs_color_format format, uint32_t mip_levels, const uint8_t **mip_data, uint32_t flags);
/*!
* \brief Load a texture from a file
*
* Creates a new #GS::Texture from a file located on disk. If the
* file can not be found, accessed or read, a #Plugin::file_not_found_error
* will be thrown. If there is an error reading the file, a
* #Plugin::io_error will be thrown.
*
* \param file File to create the texture from.
*/
Texture(std::string file);// { LoadFromFile(file); }
/*!
* \brief Copy an existing texture
*
* Create a Texture instance from an existing texture.
* This will not take ownership of the underlying gs_texture_t object.
*
* \param other
* \return
*/
Texture(Texture& other);
/*!
* \brief Default constructor
*/
Texture() : m_texture(nullptr) {}
/*!
* \brief Destructor
*
*
*
* \return
*/
virtual ~Texture();
/*!
* \brief
*
*
*
* \param unit
* \return void
*/
void Load(int unit);
/*!
* \brief
*
*
*
* \return gs_texture_t*
*/
gs_texture_t* GetObject();
protected:
gs_texture_t* m_texture;
void DestroyTexture();
};
}

20
source/gs-vertex.cpp Normal file
View File

@ -0,0 +1,20 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-vertexbuffer.h"

39
source/gs-vertex.h Normal file
View File

@ -0,0 +1,39 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <inttypes.h>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/vec3.h>
#pragma warning( pop )
}
namespace GS {
const uint32_t MAXIMUM_UVW_LAYERS = 8u;
// ToDo: Optimize for use with GS::VertexBuffer so that it doesn't require in-memory copy.
struct Vertex {
vec3 position;
vec3 normal;
vec3 tangent;
vec4 uv[MAXIMUM_UVW_LAYERS];
uint32_t color;
};
}

123
source/gs-vertexbuffer.cpp Normal file
View File

@ -0,0 +1,123 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-vertexbuffer.h"
#include <stdexcept>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/obs.h>
#pragma warning( pop )
}
const uint32_t defaultMaximumVertices = 65535u;
GS::VertexBuffer::VertexBuffer(uint32_t maximumVertices) {
m_maximumVertices = maximumVertices;
m_uvwLayers = MAXIMUM_UVW_LAYERS;
// Reserve Space
m_vertexbufferdata.num = m_maximumVertices;
m_data.positions.resize(m_maximumVertices);
m_vertexbufferdata.points = m_data.positions.data();
m_data.normals.resize(m_maximumVertices);
m_vertexbufferdata.normals = m_data.normals.data();
m_data.tangents.resize(m_maximumVertices);
m_vertexbufferdata.tangents = m_data.tangents.data();
m_data.colors.resize(m_maximumVertices);
m_vertexbufferdata.colors = m_data.colors.data();
m_vertexbufferdata.num_tex = m_uvwLayers;
m_data.uvws.resize(m_uvwLayers);
m_data.uvwdata.resize(m_uvwLayers);
for (uint32_t n = 0; n < m_uvwLayers; n++) {
m_data.uvws[n].resize(m_maximumVertices);
m_data.uvwdata[n].width = 4;
m_data.uvwdata[n].array = m_data.uvws[n].data();
}
m_vertexbufferdata.tvarray = m_data.uvwdata.data();
// Allocate GPU
obs_enter_graphics();
m_vertexbuffer = gs_vertexbuffer_create(&m_vertexbufferdata, GS_DYNAMIC);
obs_leave_graphics();
if (!m_vertexbuffer) {
throw std::runtime_error("Failed to create vertex buffer.");
}
}
GS::VertexBuffer::VertexBuffer(gs_vertbuffer_t* vb) {
m_vertexbuffer = vb;
}
GS::VertexBuffer::VertexBuffer() : VertexBuffer(defaultMaximumVertices) {}
GS::VertexBuffer::VertexBuffer(std::vector<Vertex>& other) : VertexBuffer((uint32_t)other.capacity()) {
std::copy(other.begin(), other.end(), this->end());
}
GS::VertexBuffer::VertexBuffer(VertexBuffer& other) : VertexBuffer(other.m_maximumVertices) {
std::copy(other.begin(), other.end(), this->end());
}
GS::VertexBuffer::~VertexBuffer() {
if (m_vertexbuffer) {
std::memset(&m_vertexbufferdata, 0, sizeof(m_vertexbufferdata));
obs_enter_graphics();
gs_vertexbuffer_destroy(m_vertexbuffer);
obs_leave_graphics();
}
m_vertexbuffer = nullptr;
}
void GS::VertexBuffer::set_uv_layers(uint32_t layers) {
m_uvwLayers = layers;
}
uint32_t GS::VertexBuffer::uv_layers() {
return m_uvwLayers;
}
gs_vertbuffer_t* GS::VertexBuffer::get(bool refreshGPU) {
if (refreshGPU) {
if (size() > m_maximumVertices)
throw std::runtime_error("Too many vertices in Vertex Buffer.");
for (size_t vertexIdx = 0; vertexIdx < size(); vertexIdx++) {
Vertex& v = this->at(vertexIdx);
vec3_copy(&m_data.positions[vertexIdx], &(v.position));
vec3_copy(&m_data.normals[vertexIdx], &(v.normal));
vec3_copy(&m_data.tangents[vertexIdx], &(v.tangent));
for (size_t texcoordIdx = 0; texcoordIdx < m_uvwLayers; texcoordIdx++) {
vec4_copy(&m_data.uvws[texcoordIdx][vertexIdx], &(v.uv[texcoordIdx]));
}
m_data.colors[vertexIdx] = v.color;
}
m_vertexbufferdata.num = size();
m_vertexbufferdata.num_tex = m_uvwLayers;
obs_enter_graphics();
gs_vertexbuffer_flush(m_vertexbuffer);
obs_leave_graphics();
}
return m_vertexbuffer;
}
gs_vertbuffer_t* GS::VertexBuffer::get() {
return get(true);
}

93
source/gs-vertexbuffer.h Normal file
View File

@ -0,0 +1,93 @@
/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include "gs-vertex.h"
#include <inttypes.h>
#include <vector>
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/graphics/graphics.h>
#pragma warning( pop )
}
namespace GS {
class VertexBuffer : public std::vector<Vertex> {
public:
/*!
* \brief Create a Vertex Buffer with specific size
*
* \param maximumVertices Maximum amount of vertices to store.
*/
VertexBuffer(uint32_t maximumVertices);
/*!
* \brief Create a Vertex Buffer with default size
* This will create a new vertex buffer with the default maximum size.
*
*/
VertexBuffer();
/*!
* \brief Create a copy of a Vertex Buffer
* Full Description below
*
* \param other The Vertex Buffer to copy
*/
VertexBuffer(VertexBuffer& other);
/*!
* \brief Create a Vertex Buffer from a Vertex array
* Full Description below
*
* \param other The Vertex array to use
*/
VertexBuffer(std::vector<Vertex>& other);
VertexBuffer(gs_vertbuffer_t* vb);
virtual ~VertexBuffer();
void set_uv_layers(uint32_t layers);
uint32_t uv_layers();
gs_vertbuffer_t* get();
gs_vertbuffer_t* get(bool refreshGPU);
protected:
uint32_t m_maximumVertices;
uint32_t m_uvwLayers;
gs_vb_data m_vertexbufferdata;
gs_vertbuffer_t* m_vertexbuffer;
// Data Storage
struct {
std::vector<vec3> positions;
std::vector<vec3> normals;
std::vector<vec3> tangents;
std::vector<uint32_t> colors;
std::vector<std::vector<vec4>> uvws;
std::vector<gs_tvertarray> uvwdata;
} m_data;
};
}