Changeset 1987Tweet

Timestamp:

Oct 8, 2012, 1:09:29 AM (10 years ago)

Author:

sam

Message:

gpu: put the texture creation code in its own class; for now a lot of things are
hardcoded and only the fractal demo uses it, but everything will eventually switch.

Location:

trunk

Files:

• src/Makefile.am (modified) (1 diff)
• src/core.h (modified) (1 diff)
• src/gpu/texture.cpp (added)
• src/gpu/texture.h (added)
• src/lolcore.vcxproj (modified) (2 diffs)
• src/lolcore.vcxproj.filters (modified) (2 diffs)
• tutorial/11_fractal.cpp (modified) (6 diffs)

trunk/src/Makefile.am

@@ -51 +51 @@
     gpu/vertexbuffer.cpp gpu/vertexbuffer.h \
     gpu/framebuffer.cpp gpu/framebuffer.h \
+    gpu/texture.cpp gpu/texture.h \
     \
     gpu/defaultmaterial.lolfx \

trunk/src/core.h

@@ -116 +116 @@
 #include "gpu/lolfx.h"
 #include "gpu/shader.h"
+#include "gpu/texture.h"
 #include "gpu/indexbuffer.h"
 #include "gpu/vertexbuffer.h"

trunk/src/lolcore.vcxproj

@@ -255 +255 @@
     <ClCompile Include="gpu\lolfx.cpp" />
     <ClCompile Include="gpu\shader.cpp" />
+    <ClCompile Include="gpu\texture.cpp" />
     <ClCompile Include="gpu\vertexbuffer.cpp" />
     <ClCompile Include="gradient.cpp" />
@@ -568 +569 @@
     <ClInclude Include="gpu\lolfx.h" />
     <ClInclude Include="gpu\shader.h" />
+    <ClInclude Include="gpu\texture.h" />
     <ClInclude Include="gpu\vertexbuffer.h" />
     <ClInclude Include="gradient.h" />

trunk/src/lolcore.vcxproj.filters

@@ -98 +98 @@
       <Filter>src\gpu</Filter>
     </ClCompile>
+    <ClCompile Include="gpu\texture.cpp">
+      <Filter>src\gpu</Filter>
+    </ClCompile>
     <ClCompile Include="gpu\vertexbuffer.cpp">
       <Filter>src\gpu</Filter>
@@ -668 +671 @@
     </ClInclude>
     <ClInclude Include="gpu\shader.h">
+      <Filter>src\gpu</Filter>
+    </ClInclude>
+    <ClInclude Include="gpu\texture.h">
       <Filter>src\gpu</Filter>
     </ClInclude>

trunk/tutorial/11_fractal.cpp

@@ -16 +16 @@
 
 #include "core.h"
-#include "lolgl.h"
 #include "loldebug.h"
 
 using namespace lol;
 
-#if defined _WIN32
-#   include <direct.h>
-#   if defined USE_D3D9
-#       define FAR
-#       define NEAR
-#       include <d3d9.h>
-#   endif
-#endif
-
 extern char const *lolfx_11_fractal;
-
-#if defined USE_D3D9
-extern IDirect3DDevice9 *g_d3ddevice;
-#elif defined _XBOX
-extern D3DDevice *g_d3ddevice;
-#elif __CELLOS_LV2__
-static GLint const INTERNAL_FORMAT = GL_ARGB_SCE;
-static GLenum const TEXTURE_FORMAT = GL_BGRA;
-static GLenum const TEXTURE_TYPE = GL_UNSIGNED_INT_8_8_8_8_REV;
-#elif defined __native_client__ || defined HAVE_GLES_2X
-static GLint const INTERNAL_FORMAT = GL_RGBA;
-static GLenum const TEXTURE_FORMAT = GL_RGBA;
-static GLenum const TEXTURE_TYPE = GL_UNSIGNED_BYTE;
-#else
-/* Seems efficient for little endian textures */
-static GLint const INTERNAL_FORMAT = GL_RGBA;
-static GLenum const TEXTURE_FORMAT = GL_BGRA;
-static GLenum const TEXTURE_TYPE = GL_UNSIGNED_INT_8_8_8_8_REV;
-#endif
 
 class Fractal : public WorldEntity
@@ -468 +439 @@
         if (!m_ready)
         {
-#if !defined _XBOX && !defined USE_D3D9
             /* Create a texture of half the width and twice the height
              * so that we can upload four different subimages each frame. */
-            glGenTextures(1, &m_texid);
-            glBindTexture(GL_TEXTURE_2D, m_texid);
-            glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT,
-                         m_size.x / 2, m_size.y * 2, 0,
-                         TEXTURE_FORMAT, TEXTURE_TYPE, &m_pixels[0]);
-#   if defined __CELLOS_LV2__
-            /* We need this hint because by default the storage type is
-             * GL_TEXTURE_SWIZZLED_GPU_SCE. */
-            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_ALLOCATION_HINT_SCE,
-                            GL_TEXTURE_TILED_GPU_SCE);
-#   endif
-            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
-            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-#elif defined _XBOX
-            /* By default the X360 will swizzle the texture. Ask for linear. */
-            g_d3ddevice->CreateTexture(m_size.x / 2, m_size.y * 2, 1,
-                                       D3DUSAGE_WRITEONLY, D3DFMT_LIN_A8R8G8B8,
-                                       D3DPOOL_DEFAULT, &m_tex, NULL);
-#else
-            g_d3ddevice->CreateTexture(m_size.x / 2, m_size.y * 2, 1,
-                                       D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8,
-                                       D3DPOOL_SYSTEMMEM, &m_tex, NULL);
-#endif
+            m_texture = new Texture(ivec2(m_size.x / 2, m_size.y * 2));
+
+            /* Ensure the texture data is complete at least once, otherwise
+             * uploading subimages will not work. */
+            m_texture->SetData(&m_pixels[0]);
 
             m_shader = Shader::Create(lolfx_11_fractal);
@@ -521 +473 @@
         }
 
-#if defined _XBOX || defined USE_D3D9
-
-#else
-#   if !defined HAVE_GLES_2X
-        glEnable(GL_TEXTURE_2D);
-#   endif
-        glBindTexture(GL_TEXTURE_2D, m_texid);
-#endif
+        m_texture->Bind();
 
         if (m_dirty[m_frame])
@@ -537 +482 @@
             m_dirty[m_frame]--;
 
-#if defined _XBOX || defined USE_D3D9
-            D3DLOCKED_RECT rect;
-#   if defined _XBOX
-            m_tex->LockRect(0, &rect, NULL, D3DLOCK_NOOVERWRITE);
-#   else
-            m_tex->LockRect(0, &rect, NULL,
-                            D3DLOCK_DISCARD | D3DLOCK_NOOVERWRITE);
-#   endif
-            for (int j = 0; j < m_size.y * 2; j++)
-            {
-                u8vec4 *line = (u8vec4 *)rect.pBits + j * rect.Pitch / 4;
-                for (int i = 0; i < m_size.x / 2; i++)
-                    line[i] = m_pixels[m_size.x / 2 * j + i];
-            }
-            m_tex->UnlockRect(0);
-#elif defined __CELLOS_LV2__
+#if defined __CELLOS_LV2__
             /* glTexSubImage2D is extremely slow on the PS3, to the point
              * that uploading the whole texture is 40 times faster. */
-            glTexImage2D(GL_TEXTURE_2D, 0, INTERNAL_FORMAT,
-                         m_size.x / 2, m_size.y * 2, 0,
-                         TEXTURE_FORMAT, TEXTURE_TYPE, &m_pixels[0]);
+            m_texture->SetData(&m_pixels[0]);
 #else
-            glTexSubImage2D(GL_TEXTURE_2D, 0, 0, m_frame * m_size.y / 2,
-                            m_size.x / 2, m_size.y / 2,
-                            TEXTURE_FORMAT, TEXTURE_TYPE,
-                            &m_pixels[m_size.x * m_size.y / 4 * m_frame]);
+            m_texture->SetSubData(ivec2(0, m_frame * m_size.y / 2),
+                                  m_size / 2,
+                                  &m_pixels[m_size.x * m_size.y / 4 * m_frame]);
 #endif
         }
@@ -573 +500 @@
         m_vdecl->SetStream(m_vbo, m_vertexattrib);
         m_vdecl->SetStream(m_tbo, m_texattrib);
-#if defined _XBOX || defined USE_D3D9
-        g_d3ddevice->SetTexture(0, m_tex);
-        g_d3ddevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CW);
-#elif !defined __CELLOS_LV2__ && !defined __ANDROID__
-#else
-#endif
+        m_texture->Bind();
         m_vdecl->DrawElements(MeshPrimitive::Triangles, 0, 6);
         m_vdecl->Unbind();
@@ -600 +522 @@
     VertexDeclaration *m_vdecl;
     VertexBuffer *m_vbo, *m_tbo;
-#if defined USE_D3D9
-    IDirect3DTexture9 *m_tex;
-#elif defined _XBOX
-    D3DTexture *m_tex;
-#else
-    GLuint m_texid;
-#endif
+    Texture *m_texture;
+
     int m_frame, m_slices, m_dirty[4];
     bool m_ready, m_drag;