Remove the PixelStore class

[libs/gl.git] / source / core / texture2d.cpp

diff --git a/source/core/texture2d.cpp b/source/core/texture2d.cpp
index 78f8c9e983034f34eadec903c5c53ffb4ffd6c5d..528c4a58d216416ad2ca9816852bd0a7001d2a9e 100644 (file)
--- a/source/core/texture2d.cpp
+++ b/source/core/texture2d.cpp
@@ -5,7 +5,6 @@
 #include "bindable.h"
 #include "buffer.h"
 #include "error.h"
-#include "pixelstore.h"
 #include "resources.h"
 #include "texture2d.h"
 
@@ -72,12 +71,27 @@ void Texture2D::allocate(unsigned level)
                throw invalid_operation("Texture2D::allocate");
        if(level>=levels)
                throw invalid_argument("Texture2D::allocate");
+
+       bool direct = ARB_texture_storage && ARB_direct_state_access;
+       if(!direct)
+       {
+               glActiveTexture(GL_TEXTURE0);
+               glBindTexture(target, id);
+       }
+
+       allocate_(level);
+
+       if(!direct)
+               glBindTexture(target, 0);
+}
+
+void Texture2D::allocate_(unsigned level)
+{
        if(allocated&(1<<level))
                return;
 
        if(ARB_texture_storage)
        {
-               Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
                if(ARB_direct_state_access)
                        glTextureStorage2D(id, levels, storage_fmt, width, height);
                else
@@ -86,7 +100,7 @@ void Texture2D::allocate(unsigned level)
                allocated |= (1<<levels)-1;
        }
        else
-               image(level, 0);
+               image_(level, 0);
 }
 
 void Texture2D::image(unsigned level, const void *data)
@@ -96,29 +110,40 @@ void Texture2D::image(unsigned level, const void *data)
        if(level>=levels)
                throw out_of_range("Texture2D::image");
 
-       LinAl::Vector<unsigned, 2> size = get_level_size(level);
-
        if(ARB_texture_storage)
+       {
+               LinAl::Vector<unsigned, 2> size = get_level_size(level);
                return sub_image(level, 0, 0, size.x, size.y, data);
+       }
 
-       BindRestore _bind(this);
+       glActiveTexture(GL_TEXTURE0);
+       glBindTexture(target, id);
 
+       image_(level, data);
+
+       if(auto_gen_mipmap && level==0)
+       {
+               generate_mipmap_();
+               allocated |= (1<<levels)-1;
+       }
+
+       glBindTexture(target, 0);
+}
+
+void Texture2D::image_(unsigned level, const void *data)
+{
        if(!allocated)
        {
                glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, levels-1);
                apply_swizzle();
        }
 
+       LinAl::Vector<unsigned, 2> size = get_level_size(level);
        PixelComponents comp = get_components(storage_fmt);
        GLenum type = get_gl_type(get_component_type(storage_fmt));
        glTexImage2D(target, level, storage_fmt, size.x, size.y, 0, comp, type, data);
 
        allocated |= 1<<level;
-       if(auto_gen_mipmap && level==0)
-       {
-               generate_mipmap();
-               allocated |= (1<<levels)-1;
-       }
 }
 
 void Texture2D::image(unsigned level, PixelComponents comp, DataType type, const void *data)
@@ -135,8 +160,14 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
        if(level>=levels)
                throw out_of_range("Texture2D::sub_image");
 
-       Conditional<BindRestore> _bind(!ARB_direct_state_access, this);
-       allocate(level);
+       bool direct = (ARB_direct_state_access && (ARB_texture_storage || (allocated&(1<<level))));
+       if(!direct)
+       {
+               glActiveTexture(GL_TEXTURE0);
+               glBindTexture(target, id);
+       }
+
+       allocate_(level);
 
        PixelComponents comp = get_components(storage_fmt);
        GLenum type = get_gl_type(get_component_type(storage_fmt));
@@ -146,7 +177,10 @@ void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht
                glTexSubImage2D(target, level, x, y, wd, ht, comp, type, data);
 
        if(auto_gen_mipmap && level==0)
-               generate_mipmap();
+               generate_mipmap_();
+
+       if(!direct)
+               glBindTexture(target, 0);
 }
 
 void Texture2D::sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelComponents comp, DataType type, const void *data)
@@ -168,9 +202,6 @@ void Texture2D::image(const Graphics::Image &img, unsigned lv, bool from_buffer)
        PixelFormat fmt = pixelformat_from_image(img);
        storage(make_pixelformat(get_components(fmt), get_component_type(fmt), use_srgb_format), w, h, lv);
 
-       PixelStore pstore = PixelStore::from_image(img);
-       BindRestore _bind_ps(pstore);
-
        image(0, from_buffer ? 0 : img.get_pixels());
 }
 
@@ -290,7 +321,6 @@ bool Texture2D::AsyncLoader::process()
                image.load_into(*img_loader, mapped_address);
        else if(phase==3)
        {
-               Bind _bind_buf(pixel_buffer, PIXEL_UNPACK_BUFFER);
                mapped_address = 0;
                if(!pixel_buffer.unmap())
                {
@@ -300,7 +330,9 @@ bool Texture2D::AsyncLoader::process()
 
                if(!texture.id)
                        texture.generate_id();
+               glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixel_buffer.get_id());
                texture.image(image, 0, true);
+               glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
        }
 
        ++phase;