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-rw-r--r--drivers/gles2/rasterizer_gles2.cpp63
1 files changed, 54 insertions, 9 deletions
diff --git a/drivers/gles2/rasterizer_gles2.cpp b/drivers/gles2/rasterizer_gles2.cpp
index b6a48652cb..aba0b5ca90 100644
--- a/drivers/gles2/rasterizer_gles2.cpp
+++ b/drivers/gles2/rasterizer_gles2.cpp
@@ -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);
+ }
}