void CParticleEmitter::RenderArray(const CShaderProgramPtr& shader)
{
// Some drivers apparently don't like count=0 in glDrawArrays here,
// so skip all drawing in that case
if (m_Particles.empty())
return;
u8* indexBase = m_IndexArray.Bind();
u8* base = m_VertexArray.Bind();
GLsizei stride = (GLsizei)m_VertexArray.GetStride();
shader->VertexPointer(3, GL_FLOAT, stride, base + m_AttributePos.offset);
// Pass the sin/cos axis components as texcoords for no particular reason
// other than that they fit. (Maybe this should be glVertexAttrib* instead?)
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, stride, base + m_AttributeUV.offset);
shader->TexCoordPointer(GL_TEXTURE1, 2, GL_FLOAT, stride, base + m_AttributeAxis.offset);
shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset);
shader->AssertPointersBound();
glDrawElements(GL_TRIANGLES, (GLsizei)(m_Particles.size() * 6), GL_UNSIGNED_SHORT, indexBase);
g_Renderer.GetStats().m_DrawCalls++;
g_Renderer.GetStats().m_Particles += m_Particles.size();
}
void CTexturedLineRData::Render(const SOverlayTexturedLine& line, const CShaderProgramPtr& shader)
{
if (!m_VB || !m_VBIndices)
return; // might have failed to allocate
// -- render main line quad strip ----------------------
const int streamFlags = shader->GetStreamFlags();
shader->BindTexture("baseTex", line.m_TextureBase->GetHandle());
shader->BindTexture("maskTex", line.m_TextureMask->GetHandle());
shader->Uniform("objectColor", line.m_Color);
GLsizei stride = sizeof(CTexturedLineRData::SVertex);
CTexturedLineRData::SVertex* vertexBase = reinterpret_cast<CTexturedLineRData::SVertex*>(m_VB->m_Owner->Bind());
if (streamFlags & STREAM_POS)
shader->VertexPointer(3, GL_FLOAT, stride, &vertexBase->m_Position[0]);
if (streamFlags & STREAM_UV0)
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, stride, &vertexBase->m_UVs[0]);
if (streamFlags & STREAM_UV1)
shader->TexCoordPointer(GL_TEXTURE1, 2, GL_FLOAT, stride, &vertexBase->m_UVs[0]);
u8* indexBase = m_VBIndices->m_Owner->Bind();
shader->AssertPointersBound();
glDrawElements(GL_TRIANGLES, m_VBIndices->m_Count, GL_UNSIGNED_SHORT, indexBase + sizeof(u16)*m_VBIndices->m_Index);
g_Renderer.GetStats().m_DrawCalls++;
g_Renderer.GetStats().m_OverlayTris += m_VBIndices->m_Count/3;
}
// Prepare UV coordinates for this modeldef
void InstancingModelRenderer::PrepareModelDef(const CShaderProgramPtr& shader, int streamflags, const CModelDef& def)
{
m->imodeldef = (IModelDef*)def.GetRenderData(m);
ENSURE(m->imodeldef);
u8* base = m->imodeldef->m_Array.Bind();
GLsizei stride = (GLsizei)m->imodeldef->m_Array.GetStride();
m->imodeldefIndexBase = m->imodeldef->m_IndexArray.Bind();
if (streamflags & STREAM_POS)
shader->VertexPointer(3, GL_FLOAT, stride, base + m->imodeldef->m_Position.offset);
if (streamflags & STREAM_NORMAL)
shader->NormalPointer(GL_FLOAT, stride, base + m->imodeldef->m_Normal.offset);
if (m->calculateTangents)
shader->VertexAttribPointer(str_a_tangent, 4, GL_FLOAT, GL_TRUE, stride, base + m->imodeldef->m_Tangent.offset);
if (streamflags & STREAM_UV0)
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, stride, base + m->imodeldef->m_UVs[0].offset);
if ((streamflags & STREAM_UV1) && def.GetNumUVsPerVertex() >= 2)
shader->TexCoordPointer(GL_TEXTURE1, 2, GL_FLOAT, stride, base + m->imodeldef->m_UVs[1].offset);
// GPU skinning requires extra attributes to compute positions/normals
if (m->gpuSkinning)
{
shader->VertexAttribPointer(str_a_skinJoints, 4, GL_UNSIGNED_BYTE, GL_FALSE, stride, base + m->imodeldef->m_BlendJoints.offset);
shader->VertexAttribPointer(str_a_skinWeights, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, base + m->imodeldef->m_BlendWeights.offset);
}
shader->AssertPointersBound();
}
void CMiniMap::DrawTexture(CShaderProgramPtr shader, float coordMax, float angle, float x, float y, float x2, float y2, float z)
{
// Rotate the texture coordinates (0,0)-(coordMax,coordMax) around their center point (m,m)
// Scale square maps to fit in circular minimap area
const float s = sin(angle) * m_MapScale;
const float c = cos(angle) * m_MapScale;
const float m = coordMax / 2.f;
float quadTex[] = {
m*(-c + s + 1.f), m*(-c + -s + 1.f),
m*(c + s + 1.f), m*(-c + s + 1.f),
m*(c + -s + 1.f), m*(c + s + 1.f),
m*(c + -s + 1.f), m*(c + s + 1.f),
m*(-c + -s + 1.f), m*(c + -s + 1.f),
m*(-c + s + 1.f), m*(-c + -s + 1.f)
};
float quadVerts[] = {
x, y, z,
x2, y, z,
x2, y2, z,
x2, y2, z,
x, y2, z,
x, y, z
};
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(3, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
if (!g_Renderer.m_SkipSubmit)
glDrawArrays(GL_TRIANGLES, 0, 6);
}
void CPatchRData::RenderWater(CShaderProgramPtr& shader)
{
ASSERT(m_UpdateFlags==0);
if (!m_VBWater)
return;
SWaterVertex *base=(SWaterVertex *)m_VBWater->m_Owner->Bind();
// setup data pointers
GLsizei stride = sizeof(SWaterVertex);
shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, &base[m_VBWater->m_Index].m_DepthData);
shader->VertexPointer(3, GL_FLOAT, stride, &base[m_VBWater->m_Index].m_Position);
shader->TexCoordPointer(GL_TEXTURE0, 4, GL_FLOAT, stride, &base[m_VBWater->m_Index].m_WaterData);
shader->AssertPointersBound();
// render
if (!g_Renderer.m_SkipSubmit)
{
u8* indexBase = m_VBWaterIndices->m_Owner->Bind();
#if CONFIG2_GLES
#warning TODO: fix CPatchRData::RenderWater for GLES (avoid GL_QUADS)
#else
glDrawElements(GL_QUADS, (GLsizei) m_VBWaterIndices->m_Count,
GL_UNSIGNED_SHORT, indexBase + sizeof(u16)*(m_VBWaterIndices->m_Index));
#endif
}
// bump stats
g_Renderer.m_Stats.m_DrawCalls++;
g_Renderer.m_Stats.m_WaterTris += m_VBWaterIndices->m_Count / 2;
CVertexBuffer::Unbind();
}
void CPostprocManager::ApplyBlurDownscale2x(GLuint inTex, GLuint outTex, int inWidth, int inHeight)
{
// Bind inTex to framebuffer for rendering.
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, outTex, 0);
// Get bloom shader with instructions to simply copy texels.
CShaderDefines defines;
defines.Add(str_BLOOM_NOP, str_1);
CShaderTechniquePtr tech = g_Renderer.GetShaderManager().LoadEffect(str_bloom,
g_Renderer.GetSystemShaderDefines(), defines);
tech->BeginPass();
CShaderProgramPtr shader = tech->GetShader();
GLuint renderedTex = inTex;
// Cheat by creating high quality mipmaps for inTex, so the copying operation actually
// produces good scaling due to hardware filtering.
glBindTexture(GL_TEXTURE_2D, renderedTex);
pglGenerateMipmapEXT(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
shader->BindTexture(str_renderedTex, renderedTex);
const SViewPort oldVp = g_Renderer.GetViewport();
const SViewPort vp = { 0, 0, inWidth / 2, inHeight / 2 };
g_Renderer.SetViewport(vp);
float quadVerts[] = {
1.0f, 1.0f,
-1.0f, 1.0f,
-1.0f, -1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
1.0f, 1.0f
};
float quadTex[] = {
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f
};
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(2, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
glDrawArrays(GL_TRIANGLES, 0, 6);
g_Renderer.SetViewport(oldVp);
tech->EndPass();
}
void CMiniMap::DrawTexture(CShaderProgramPtr shader, float coordMax, float angle, float x, float y, float x2, float y2, float z)
{
// Rotate the texture coordinates (0,0)-(coordMax,coordMax) around their center point (m,m)
// Scale square maps to fit in circular minimap area
const float s = sin(angle) * m_MapScale;
const float c = cos(angle) * m_MapScale;
const float m = coordMax / 2.f;
float quadTex[] = {
m*(-c + s + 1.f), m*(-c + -s + 1.f),
m*(c + s + 1.f), m*(-c + s + 1.f),
m*(c + -s + 1.f), m*(c + s + 1.f),
m*(c + -s + 1.f), m*(c + s + 1.f),
m*(-c + -s + 1.f), m*(c + -s + 1.f),
m*(-c + s + 1.f), m*(-c + -s + 1.f)
};
float quadVerts[] = {
x, y, z,
x2, y, z,
x2, y2, z,
x2, y2, z,
x, y2, z,
x, y, z
};
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(3, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
}
else
{
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_VERTEX_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, quadTex);
glVertexPointer(3, GL_FLOAT, 0, quadVerts);
}
glDrawArrays(GL_TRIANGLES, 0, 6);
if (g_Renderer.GetRenderPath() == CRenderer::RP_FIXED)
{
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
}
void ShadowMap::RenderDebugTexture()
{
glDepthMask(0);
glDisable(GL_DEPTH_TEST);
#if !CONFIG2_GLES
g_Renderer.BindTexture(0, m->Texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
#endif
CShaderTechniquePtr texTech = g_Renderer.GetShaderManager().LoadEffect("gui_basic");
texTech->BeginPass();
CShaderProgramPtr texShader = texTech->GetShader();
texShader->Uniform("transform", GetDefaultGuiMatrix());
texShader->BindTexture("tex", m->Texture);
float s = 256.f;
float boxVerts[] = {
0,0, 0,s, s,0,
s,0, 0,s, s,s
};
float boxUV[] = {
0,0, 0,1, 1,0,
1,0, 0,1, 1,1
};
texShader->VertexPointer(2, GL_FLOAT, 0, boxVerts);
texShader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, boxUV);
texShader->AssertPointersBound();
glDrawArrays(GL_TRIANGLES, 0, 6);
texTech->EndPass();
#if !CONFIG2_GLES
g_Renderer.BindTexture(0, m->Texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE);
#endif
glEnable(GL_DEPTH_TEST);
glDepthMask(1);
}
// Prepare UV coordinates for this modeldef
void InstancingModelRenderer::PrepareModelDef(CShaderProgramPtr& shader, int streamflags, const CModelDefPtr& def)
{
m->imodeldef = (IModelDef*)def->GetRenderData(m);
ENSURE(m->imodeldef);
u8* base = m->imodeldef->m_Array.Bind();
GLsizei stride = (GLsizei)m->imodeldef->m_Array.GetStride();
m->imodeldefIndexBase = m->imodeldef->m_IndexArray.Bind();
if (streamflags & STREAM_POS)
shader->VertexPointer(3, GL_FLOAT, stride, base + m->imodeldef->m_Position.offset);
if (streamflags & STREAM_NORMAL)
shader->NormalPointer(GL_FLOAT, stride, base + m->imodeldef->m_Normal.offset);
if (streamflags & STREAM_UV0)
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, stride, base + m->imodeldef->m_UV.offset);
shader->AssertPointersBound();
}
void WaterManager::RenderWaves(const CFrustum& frustrum)
{
#if CONFIG2_GLES
#warning Fix WaterManager::RenderWaves on GLES
#else
if (g_Renderer.m_SkipSubmit || !m_WaterFancyEffects)
return;
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_FancyEffectsFBO);
GLuint attachments[2] = { GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT };
pglDrawBuffers(2, attachments);
glClearColor(0.0f,0.0f, 0.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_ALWAYS);
CShaderDefines none;
CShaderProgramPtr shad = g_Renderer.GetShaderManager().LoadProgram("glsl/waves", none);
shad->Bind();
shad->BindTexture(str_waveTex, m_WaveTex);
shad->BindTexture(str_foamTex, m_FoamTex);
shad->Uniform(str_time, (float)m_WaterTexTimer);
shad->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
for (size_t a = 0; a < m_ShoreWaves.size(); ++a)
{
if (!frustrum.IsBoxVisible(m_ShoreWaves[a]->m_AABB))
continue;
CVertexBuffer::VBChunk* VBchunk = m_ShoreWaves[a]->m_VBvertices;
SWavesVertex* base = (SWavesVertex*)VBchunk->m_Owner->Bind();
// setup data pointers
GLsizei stride = sizeof(SWavesVertex);
shad->VertexPointer(3, GL_FLOAT, stride, &base[VBchunk->m_Index].m_BasePosition);
shad->TexCoordPointer(GL_TEXTURE0, 2, GL_UNSIGNED_BYTE, stride, &base[VBchunk->m_Index].m_UV);
// NormalPointer(gl_FLOAT, stride, &base[m_VBWater->m_Index].m_UV)
pglVertexAttribPointerARB(2, 2, GL_FLOAT, GL_TRUE, stride, &base[VBchunk->m_Index].m_PerpVect); // replaces commented above because my normal is vec2
shad->VertexAttribPointer(str_a_apexPosition, 3, GL_FLOAT, false, stride, &base[VBchunk->m_Index].m_ApexPosition);
shad->VertexAttribPointer(str_a_splashPosition, 3, GL_FLOAT, false, stride, &base[VBchunk->m_Index].m_SplashPosition);
shad->VertexAttribPointer(str_a_retreatPosition, 3, GL_FLOAT, false, stride, &base[VBchunk->m_Index].m_RetreatPosition);
shad->AssertPointersBound();
shad->Uniform(str_translation, m_ShoreWaves[a]->m_TimeDiff);
shad->Uniform(str_width, (int)m_ShoreWaves[a]->m_Width);
u8* indexBase = m_ShoreWaves_VBIndices->m_Owner->Bind();
glDrawElements(GL_TRIANGLES, (GLsizei) (m_ShoreWaves[a]->m_Width-1)*(7*6),
GL_UNSIGNED_SHORT, indexBase + sizeof(u16)*(m_ShoreWaves_VBIndices->m_Index));
shad->Uniform(str_translation, m_ShoreWaves[a]->m_TimeDiff + 6.0f);
// TODO: figure out why this doesn't work.
//g_Renderer.m_Stats.m_DrawCalls++;
//g_Renderer.m_Stats.m_WaterTris += m_ShoreWaves_VBIndices->m_Count / 3;
CVertexBuffer::Unbind();
}
shad->Unbind();
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glDisable(GL_BLEND);
glDepthFunc(GL_LEQUAL);
#endif
}
void GUIRenderer::Draw(DrawCalls& Calls, float Z)
{
// Called every frame, to draw the object (based on cached calculations)
// TODO: batching by shader/texture/etc would be nice
CMatrix3D matrix = GetDefaultGuiMatrix();
glDisable(GL_BLEND);
// Set LOD bias so mipmapped textures are prettier
#if CONFIG2_GLES
#warning TODO: implement GUI LOD bias for GLES
#else
glTexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, -1.f);
#endif
// Iterate through each DrawCall, and execute whatever drawing code is being called
for (DrawCalls::const_iterator cit = Calls.begin(); cit != Calls.end(); ++cit)
{
cit->m_Shader->BeginPass();
CShaderProgramPtr shader = cit->m_Shader->GetShader();
shader->Uniform(str_transform, matrix);
if (cit->m_HasTexture)
{
shader->Uniform(str_color, cit->m_ShaderColorParameter);
shader->BindTexture(str_tex, cit->m_Texture);
if (cit->m_EnableBlending || cit->m_Texture->HasAlpha()) // (shouldn't call HasAlpha before BindTexture)
{
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
}
CRect TexCoords = cit->ComputeTexCoords();
// Ensure the quad has the correct winding order, and update texcoords to match
CRect Verts = cit->m_Vertices;
if (Verts.right < Verts.left)
{
std::swap(Verts.right, Verts.left);
std::swap(TexCoords.right, TexCoords.left);
}
if (Verts.bottom < Verts.top)
{
std::swap(Verts.bottom, Verts.top);
std::swap(TexCoords.bottom, TexCoords.top);
}
std::vector<float> data;
#define ADD(u, v, x, y, z) STMT(data.push_back(u); data.push_back(v); data.push_back(x); data.push_back(y); data.push_back(z))
ADD(TexCoords.left, TexCoords.bottom, Verts.left, Verts.bottom, Z + cit->m_DeltaZ);
ADD(TexCoords.right, TexCoords.bottom, Verts.right, Verts.bottom, Z + cit->m_DeltaZ);
ADD(TexCoords.right, TexCoords.top, Verts.right, Verts.top, Z + cit->m_DeltaZ);
ADD(TexCoords.right, TexCoords.top, Verts.right, Verts.top, Z + cit->m_DeltaZ);
ADD(TexCoords.left, TexCoords.top, Verts.left, Verts.top, Z + cit->m_DeltaZ);
ADD(TexCoords.left, TexCoords.bottom, Verts.left, Verts.bottom, Z + cit->m_DeltaZ);
#undef ADD
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 5*sizeof(float), &data[0]);
shader->VertexPointer(3, GL_FLOAT, 5*sizeof(float), &data[2]);
glDrawArrays(GL_TRIANGLES, 0, 6);
}
else
{
shader->Uniform(str_color, cit->m_BackColor);
if (cit->m_EnableBlending)
{
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
}
// Ensure the quad has the correct winding order
CRect Verts = cit->m_Vertices;
if (Verts.right < Verts.left)
std::swap(Verts.right, Verts.left);
if (Verts.bottom < Verts.top)
std::swap(Verts.bottom, Verts.top);
std::vector<float> data;
#define ADD(x, y, z) STMT(data.push_back(x); data.push_back(y); data.push_back(z))
ADD(Verts.left, Verts.bottom, Z + cit->m_DeltaZ);
ADD(Verts.right, Verts.bottom, Z + cit->m_DeltaZ);
ADD(Verts.right, Verts.top, Z + cit->m_DeltaZ);
ADD(Verts.right, Verts.top, Z + cit->m_DeltaZ);
ADD(Verts.left, Verts.top, Z + cit->m_DeltaZ);
ADD(Verts.left, Verts.bottom, Z + cit->m_DeltaZ);
shader->VertexPointer(3, GL_FLOAT, 3*sizeof(float), &data[0]);
glDrawArrays(GL_TRIANGLES, 0, 6);
if (cit->m_BorderColor != CColor())
{
shader->Uniform(str_color, cit->m_BorderColor);
data.clear();
ADD(Verts.left + 0.5f, Verts.top + 0.5f, Z + cit->m_DeltaZ);
ADD(Verts.right - 0.5f, Verts.top + 0.5f, Z + cit->m_DeltaZ);
ADD(Verts.right - 0.5f, Verts.bottom - 0.5f, Z + cit->m_DeltaZ);
ADD(Verts.left + 0.5f, Verts.bottom - 0.5f, Z + cit->m_DeltaZ);
shader->VertexPointer(3, GL_FLOAT, 3*sizeof(float), &data[0]);
glDrawArrays(GL_LINE_LOOP, 0, 4);
}
#undef ADD
}
cit->m_Shader->EndPass();
glDisable(GL_BLEND);
}
#if CONFIG2_GLES
#warning TODO: implement GUI LOD bias for GLES
#else
glTexEnvf(GL_TEXTURE_FILTER_CONTROL, GL_TEXTURE_LOD_BIAS, 0.f);
#endif
}
void CPostprocManager::ApplyEffect(CShaderTechniquePtr &shaderTech1, int pass)
{
// select the other FBO for rendering
if (!m_WhichBuffer)
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);
else
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
shaderTech1->BeginPass(pass);
CShaderProgramPtr shader = shaderTech1->GetShader(pass);
shader->Bind();
// Use the textures from the current FBO as input to the shader.
// We also bind a bunch of other textures and parameters, but since
// this only happens once per frame the overhead is negligible.
if (m_WhichBuffer)
shader->BindTexture(str_renderedTex, m_ColourTex1);
else
shader->BindTexture(str_renderedTex, m_ColourTex2);
shader->BindTexture(str_depthTex, m_DepthTex);
shader->BindTexture(str_blurTex2, m_BlurTex2a);
shader->BindTexture(str_blurTex4, m_BlurTex4a);
shader->BindTexture(str_blurTex8, m_BlurTex8a);
shader->Uniform(str_width, m_Width);
shader->Uniform(str_height, m_Height);
shader->Uniform(str_zNear, g_Game->GetView()->GetNear());
shader->Uniform(str_zFar, g_Game->GetView()->GetFar());
shader->Uniform(str_brightness, g_LightEnv.m_Brightness);
shader->Uniform(str_hdr, g_LightEnv.m_Contrast);
shader->Uniform(str_saturation, g_LightEnv.m_Saturation);
shader->Uniform(str_bloom, g_LightEnv.m_Bloom);
float quadVerts[] = {
1.0f, 1.0f,
-1.0f, 1.0f,
-1.0f, -1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
1.0f, 1.0f
};
float quadTex[] = {
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f
};
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(2, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
glDrawArrays(GL_TRIANGLES, 0, 6);
shader->Unbind();
shaderTech1->EndPass(pass);
glDepthMask(GL_TRUE);
glEnable(GL_DEPTH_TEST);
m_WhichBuffer = !m_WhichBuffer;
}
void CPostprocManager::ApplyBlurGauss(GLuint inOutTex, GLuint tempTex, int inWidth, int inHeight)
{
// Set tempTex as our rendering target.
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, tempTex, 0);
// Get bloom shader, for a horizontal Gaussian blur pass.
CShaderDefines defines2;
defines2.Add(str_BLOOM_PASS_H, str_1);
CShaderTechniquePtr tech = g_Renderer.GetShaderManager().LoadEffect(str_bloom,
g_Renderer.GetSystemShaderDefines(), defines2);
tech->BeginPass();
CShaderProgramPtr shader = tech->GetShader();
shader->BindTexture(str_renderedTex, inOutTex);
shader->Uniform(str_texSize, inWidth, inHeight, 0.0f, 0.0f);
const SViewPort oldVp = g_Renderer.GetViewport();
const SViewPort vp = { 0, 0, inWidth, inHeight };
g_Renderer.SetViewport(vp);
float quadVerts[] = {
1.0f, 1.0f,
-1.0f, 1.0f,
-1.0f, -1.0f,
-1.0f, -1.0f,
1.0f, -1.0f,
1.0f, 1.0f
};
float quadTex[] = {
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
0.0f, 0.0f,
1.0f, 0.0f,
1.0f, 1.0f
};
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(2, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
glDrawArrays(GL_TRIANGLES, 0, 6);
g_Renderer.SetViewport(oldVp);
tech->EndPass();
// Set result texture as our render target.
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, inOutTex, 0);
// Get bloom shader, for a vertical Gaussian blur pass.
CShaderDefines defines3;
defines3.Add(str_BLOOM_PASS_V, str_1);
tech = g_Renderer.GetShaderManager().LoadEffect(str_bloom,
g_Renderer.GetSystemShaderDefines(), defines3);
tech->BeginPass();
shader = tech->GetShader();
// Our input texture to the shader is the output of the horizontal pass.
shader->BindTexture(str_renderedTex, tempTex);
shader->Uniform(str_texSize, inWidth, inHeight, 0.0f, 0.0f);
g_Renderer.SetViewport(vp);
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, 0, quadTex);
shader->VertexPointer(2, GL_FLOAT, 0, quadVerts);
shader->AssertPointersBound();
glDrawArrays(GL_TRIANGLES, 0, 6);
g_Renderer.SetViewport(oldVp);
tech->EndPass();
}
void OverlayRenderer::RenderForegroundOverlays(const CCamera& viewCamera)
{
PROFILE3_GPU("overlays (fg)");
#if CONFIG2_GLES
#warning TODO: implement OverlayRenderer::RenderForegroundOverlays for GLES
#else
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
CVector3D right = -viewCamera.m_Orientation.GetLeft();
CVector3D up = viewCamera.m_Orientation.GetUp();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
CShaderProgramPtr shader;
CShaderTechniquePtr tech;
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech = g_Renderer.GetShaderManager().LoadEffect("foreground_overlay");
tech->BeginPass();
shader = tech->GetShader();
}
else
{
shader = g_Renderer.GetShaderManager().LoadProgram("fixed:dummy", CShaderDefines());
shader->Bind();
}
float uvs[8] = { 0,0, 1,0, 1,1, 0,1 };
shader->TexCoordPointer(GL_TEXTURE0, 2, GL_FLOAT, sizeof(float)*2, &uvs[0]);
for (size_t i = 0; i < m->sprites.size(); ++i)
{
SOverlaySprite* sprite = m->sprites[i];
shader->BindTexture("baseTex", sprite->m_Texture);
CVector3D pos[4] = {
sprite->m_Position + right*sprite->m_X0 + up*sprite->m_Y0,
sprite->m_Position + right*sprite->m_X1 + up*sprite->m_Y0,
sprite->m_Position + right*sprite->m_X1 + up*sprite->m_Y1,
sprite->m_Position + right*sprite->m_X0 + up*sprite->m_Y1
};
shader->VertexPointer(3, GL_FLOAT, sizeof(float)*3, &pos[0].X);
glDrawArrays(GL_QUADS, 0, (GLsizei)4);
g_Renderer.GetStats().m_DrawCalls++;
g_Renderer.GetStats().m_OverlayTris += 2;
}
if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER)
{
tech->EndPass();
}
else
{
shader->Unbind();
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
#endif
}
void CPatchRData::RenderStreams(const std::vector<CPatchRData*>& patches, const CShaderProgramPtr& shader, int streamflags)
{
// Each batch has a list of index counts, and a list of pointers-to-first-indexes
typedef std::pair<std::vector<GLint>, std::vector<void*> > BatchElements;
// Group batches by index buffer
typedef std::map<CVertexBuffer*, BatchElements> IndexBufferBatches;
// Group batches by vertex buffer
typedef std::map<CVertexBuffer*, IndexBufferBatches> VertexBufferBatches;
VertexBufferBatches batches;
PROFILE_START("compute batches");
// Collect all the patches into their appropriate batches
for (size_t i = 0; i < patches.size(); ++i)
{
CPatchRData* patch = patches[i];
BatchElements& batch = batches[patch->m_VBBase->m_Owner][patch->m_VBBaseIndices->m_Owner];
batch.first.push_back(patch->m_VBBaseIndices->m_Count);
u8* indexBase = patch->m_VBBaseIndices->m_Owner->GetBindAddress();
batch.second.push_back(indexBase + sizeof(u16)*(patch->m_VBBaseIndices->m_Index));
}
PROFILE_END("compute batches");
ENSURE(!(streamflags & ~(STREAM_POS|STREAM_COLOR|STREAM_POSTOUV0|STREAM_POSTOUV1)));
// Render each batch
for (VertexBufferBatches::iterator itv = batches.begin(); itv != batches.end(); ++itv)
{
GLsizei stride = sizeof(SBaseVertex);
SBaseVertex *base = (SBaseVertex *)itv->first->Bind();
shader->VertexPointer(3, GL_FLOAT, stride, &base->m_Position);
if (streamflags & STREAM_POSTOUV0)
shader->TexCoordPointer(GL_TEXTURE0, 3, GL_FLOAT, stride, &base->m_Position);
if (streamflags & STREAM_POSTOUV1)
shader->TexCoordPointer(GL_TEXTURE1, 3, GL_FLOAT, stride, &base->m_Position);
if (streamflags & STREAM_COLOR)
shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, &base->m_DiffuseColor);
shader->AssertPointersBound();
for (IndexBufferBatches::iterator it = itv->second.begin(); it != itv->second.end(); ++it)
{
it->first->Bind();
BatchElements& batch = it->second;
if (!g_Renderer.m_SkipSubmit)
{
for (size_t i = 0; i < batch.first.size(); ++i)
glDrawElements(GL_TRIANGLES, batch.first[i], GL_UNSIGNED_SHORT, batch.second[i]);
}
g_Renderer.m_Stats.m_DrawCalls++;
g_Renderer.m_Stats.m_TerrainTris += std::accumulate(batch.first.begin(), batch.first.end(), 0) / 3;
}
}
CVertexBuffer::Unbind();
}