aboutsummaryrefslogtreecommitdiff
path: root/smelt/glfw_m
diff options
context:
space:
mode:
authorGravatar Chris Xiong <chirs241097@gmail.com> 2018-02-07 15:53:42 +0800
committerGravatar Chris Xiong <chirs241097@gmail.com> 2018-02-07 15:53:42 +0800
commit7a0afbb0ee9ead422307a36d90e60702d7dbc5fb (patch)
tree97ab3cdf5f5fe036f89cf46bc4841c82e5d529ea /smelt/glfw_m
parentdc2ec44f4c1ee977c0a911d6c343e15a9729e4e7 (diff)
downloadSMELT-7a0afbb0ee9ead422307a36d90e60702d7dbc5fb.tar.xz
Hand stupid job to GPU.
More documentation.
Diffstat (limited to 'smelt/glfw_m')
-rw-r--r--smelt/glfw_m/gfx_glfw.cpp50
1 files changed, 18 insertions, 32 deletions
diff --git a/smelt/glfw_m/gfx_glfw.cpp b/smelt/glfw_m/gfx_glfw.cpp
index 4f69a40..1310fb7 100644
--- a/smelt/glfw_m/gfx_glfw.cpp
+++ b/smelt/glfw_m/gfx_glfw.cpp
@@ -24,8 +24,8 @@ static const char* fixedfunc_pipeline_vsh=
"uniform mat4 mproj;"
"void main(){"
"gl_Position=mproj*mmodv*vec4(vp,1.0f);"
- "ftc=vec2(vtc.x,1.0f-vtc.y);"//do flipping at a lower level
- "fc=vc;"
+ "ftc=vec2(vtc.x,1.0f-vtc.y);"
+ "fc.rgba=vc.bgra;"
"}"
;
static const char* fixedfunc_pipeline_fsh=
@@ -36,7 +36,7 @@ static const char* fixedfunc_pipeline_fsh=
"uniform sampler2D tex;"
"void main(){"
"color=fc*texture(tex,ftc);"
- "if(color.a<1./256.)discard;"//alpha testing
+ "if(color.a<1./256.)discard;"
"}"
;
struct glTexture
@@ -262,7 +262,7 @@ void SMELT_IMPL::smDrawCustomIndexedVertices(smVertex* vb,WORD* ib,int vbc,int i
{
batchOGL();
- float twm=1.,thm=1.;
+ float twm=-1.,thm=-1.;
if(texture)
{
glTexture *ptex=(glTexture*)texture;
@@ -281,29 +281,22 @@ void SMELT_IMPL::smDrawCustomIndexedVertices(smVertex* vb,WORD* ib,int vbc,int i
vertexArray[i].z=-vertexArray[i].z;
}
}
+ if(twm>0&&thm>0)
for(int i=0;i<vbc;++i)
{
vb[i].tx*=twm;
- vb[i].ty=(1.-vb[i].ty)*thm;
- DWORD color=vb[i].col;
- BYTE *col=(BYTE*)&vb[i].col;
- BYTE a=((color>>24)&0xFF);
- BYTE r=((color>>16)&0xFF);
- BYTE g=((color>> 8)&0xFF);
- BYTE b=((color>> 0)&0xFF);
- col[0]=r;col[1]=g;
- col[2]=b;col[3]=a;
+ vb[i].ty*=thm;
}
if(texture!=primTex)bindTexture((glTexture*)texture);
if(blend!=primBlend)setBlend(blend);
glBindVertexArray(VertexArrayObject);
glBindBuffer(GL_ARRAY_BUFFER,VertexBufferObject);
- glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*vbc,vb,GL_STATIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*vbc,vb,GL_DYNAMIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,IndexBufferObject);
- glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*ibc,ib,GL_STATIC_DRAW);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*ibc,ib,GL_DYNAMIC_DRAW);
glDrawElements(GL_TRIANGLES,ibc,GL_UNSIGNED_SHORT,0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,IndexBufferObject);
- glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*((VERTEX_BUFFER_SIZE*6)/4),indexBuf,GL_STATIC_DRAW);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*((VERTEX_BUFFER_SIZE*6)/4),indexBuf,GL_DYNAMIC_DRAW);
glBindVertexArray(0);
if(texture!=primTex)bindTexture((glTexture*)primTex);
@@ -546,8 +539,8 @@ void SMELT_IMPL::smTexutreUnlock(SMTEX tex)
{
glBindTexture(GL_TEXTURE_2D,ptex->name);
glTexSubImage2D(GL_TEXTURE_2D,0,ptex->locx,
- (ptex->rh-ptex->locy)-ptex->loch,ptex->locw,ptex->loch,GL_RGBA,
- GL_UNSIGNED_BYTE,ptex->locpx);
+ (ptex->rh-ptex->locy)-ptex->loch,ptex->locw,ptex->loch,GL_RGBA,
+ GL_UNSIGNED_BYTE,ptex->locpx);
glBindTexture(GL_TEXTURE_2D,primTex?(((glTexture*)primTex)->name):0);
}
}
@@ -588,7 +581,7 @@ DWORD* SMELT_IMPL::decodeImage(BYTE *data,const char *fn,DWORD size,int &w,int &
w=img.GetWidth();h=img.GetHeight();
px=new DWORD[w*h];
BYTE *sptr=(BYTE*)px;
- bool atunnel=img.AlphaIsValid();
+ bool achannel=img.AlphaIsValid();
for(int i=0;i<h;++i)
for(int j=0;j<w;++j)
{
@@ -596,7 +589,7 @@ DWORD* SMELT_IMPL::decodeImage(BYTE *data,const char *fn,DWORD size,int &w,int &
*(sptr++)=rgb.rgbRed;
*(sptr++)=rgb.rgbGreen;
*(sptr++)=rgb.rgbBlue;
- *(sptr++)=atunnel?rgb.rgbReserved:0xFF;
+ *(sptr++)=achannel?rgb.rgbReserved:0xFF;
}
}
return px;
@@ -748,7 +741,7 @@ void SMELT_IMPL::batchOGL(bool endScene)
{
if(vertexArray&&primcnt)
{
- float twm=1.,thm=1.;
+ float twm=-1.,thm=-1.;
if(primTex)
{
glTexture *ptex=(glTexture*)primTex;
@@ -767,22 +760,15 @@ void SMELT_IMPL::batchOGL(bool endScene)
vertexArray[i].z=-vertexArray[i].z;
}
}
+ if(twm>0&&thm>0)
for(int i=0;i<primcnt*primType;++i)
{
vertexArray[i].tx*=twm;
vertexArray[i].ty*=thm;
- DWORD color=vertexArray[i].col;
- BYTE *col=(BYTE*)&vertexArray[i].col;
- BYTE a=((color>>24)&0xFF);
- BYTE r=((color>>16)&0xFF);
- BYTE g=((color>> 8)&0xFF);
- BYTE b=((color>> 0)&0xFF);
- col[0]=r;col[1]=g;
- col[2]=b;col[3]=a;
}
glBindVertexArray(VertexArrayObject);
glBindBuffer(GL_ARRAY_BUFFER,VertexBufferObject);
- glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*primcnt*primType,vertexBuf,GL_STATIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*primcnt*primType,vertexBuf,GL_DYNAMIC_DRAW);
switch(primType)
{
case PRIM_LINES:
@@ -1004,9 +990,9 @@ bool SMELT_IMPL::confOGL()
glGenBuffers(1,&IndexBufferObject);
glBindVertexArray(VertexArrayObject);
glBindBuffer(GL_ARRAY_BUFFER,VertexBufferObject);
- glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*VERTEX_BUFFER_SIZE,vertexBuf,GL_STATIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER,sizeof(smVertex)*VERTEX_BUFFER_SIZE,vertexBuf,GL_DYNAMIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,IndexBufferObject);
- glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*((VERTEX_BUFFER_SIZE*6)/4),indexBuf,GL_STATIC_DRAW);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(GLushort)*((VERTEX_BUFFER_SIZE*6)/4),indexBuf,GL_DYNAMIC_DRAW);
glVertexAttribPointer(0,3,GL_FLOAT,0,sizeof(smVertex),(void*)offsetof(smVertex,x));//vp
glVertexAttribPointer(1,4,GL_UNSIGNED_BYTE,1,sizeof(smVertex),(void*)offsetof(smVertex,col));//vc
glVertexAttribPointer(2,2,GL_FLOAT,0,sizeof(smVertex),(void*)offsetof(smVertex,tx));//vtc