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changed the blending function when using a transparent render target so that it blends properly

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This commit is contained in:
romulox_x 2015-03-01 15:44:02 -08:00
parent e15157f289
commit 320700fc92
1 changed files with 54 additions and 9 deletions
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63
drivers/gles2/rasterizer_gles2.cpp
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@ -6398,7 +6398,12 @@ void RasterizerGLES2::_render_list_forward(RenderList *p_render_list,const Trans
case VS::MATERIAL_BLEND_MODE_MIX: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
} break;
case VS::MATERIAL_BLEND_MODE_ADD: {
@ -6414,7 +6419,12 @@ void RasterizerGLES2::_render_list_forward(RenderList *p_render_list,const Trans
} break;
case VS::MATERIAL_BLEND_MODE_MUL: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
} break;
@ -6681,7 +6691,12 @@ void RasterizerGLES2::_copy_to_texscreen() {
#endif
glDisable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
//glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glBindBuffer(GL_ARRAY_BUFFER,0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);
@ -7155,7 +7170,12 @@ void RasterizerGLES2::end_scene() {
current_depth_mask=true;
texscreen_copied=false;
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDisable(GL_BLEND);
current_blend_mode=VS::MATERIAL_BLEND_MODE_MIX;
@ -7172,7 +7192,12 @@ void RasterizerGLES2::end_scene() {
}
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDisable(GL_BLEND);
current_blend_mode=VS::MATERIAL_BLEND_MODE_MIX;
material_shader.set_conditional(MaterialShaderGLES2::USE_GLOW,false);
@ -7809,7 +7834,12 @@ void RasterizerGLES2::canvas_begin() {
#endif
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
//glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
glLineWidth(1.0);
glBindBuffer(GL_ARRAY_BUFFER,0);
@ -7866,7 +7896,12 @@ void RasterizerGLES2::canvas_set_blend_mode(VS::MaterialBlendMode p_mode) {
case VS::MATERIAL_BLEND_MODE_MIX: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
} break;
case VS::MATERIAL_BLEND_MODE_ADD: {
@ -8675,7 +8710,12 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
case VS::MATERIAL_BLEND_MODE_MIX: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
} break;
case VS::MATERIAL_BLEND_MODE_ADD: {
@ -8805,7 +8845,12 @@ void RasterizerGLES2::canvas_render_items(CanvasItem *p_item_list,int p_z,const
canvas_shader.set_uniform(CanvasShaderGLES2::MODULATE,canvas_modulate);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
if (current_rt && current_rt_transparent) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
}
else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
}