diff options
author | truelight <truelight@openttd.org> | 2007-06-17 20:30:28 +0000 |
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committer | truelight <truelight@openttd.org> | 2007-06-17 20:30:28 +0000 |
commit | 79cd3f5db0deeb4017c75198f3b530c3a2bf0ee3 (patch) | |
tree | e0105857aa1562ca3ca15a5e7df7e49bfc939456 /src/renderer | |
parent | 8c3e9d111f55531f67e8dc132c678d70632f56d9 (diff) | |
download | openttd-79cd3f5db0deeb4017c75198f3b530c3a2bf0ee3.tar.xz |
(svn r10190) -Codechange: merged renderer and blitter to one single class API: blitter
-Codechange: introduced a hierachy of blitters to avoid a lot of code duplication
Note: this allows much easier adding other types of video-drivers, like OpenGL
Diffstat (limited to 'src/renderer')
-rw-r--r-- | src/renderer/32bpp.cpp | 77 | ||||
-rw-r--r-- | src/renderer/32bpp.hpp | 35 | ||||
-rw-r--r-- | src/renderer/8bpp.cpp | 71 | ||||
-rw-r--r-- | src/renderer/8bpp.hpp | 29 | ||||
-rw-r--r-- | src/renderer/null.cpp | 39 | ||||
-rw-r--r-- | src/renderer/null.hpp | 29 | ||||
-rw-r--r-- | src/renderer/renderer.hpp | 165 |
7 files changed, 0 insertions, 445 deletions
diff --git a/src/renderer/32bpp.cpp b/src/renderer/32bpp.cpp deleted file mode 100644 index 1d1d78e6a..000000000 --- a/src/renderer/32bpp.cpp +++ /dev/null @@ -1,77 +0,0 @@ -#include "../stdafx.h" -#include "../gfx.h" -#include "32bpp.hpp" - -static FRenderer_32bpp iFRenderer_32bpp; - -void *Renderer_32bpp::MoveTo(const void *video, int x, int y) -{ - return (uint32 *)video + x + y * _screen.pitch; -} - -void Renderer_32bpp::SetPixel(void *video, int x, int y, uint8 color) -{ - *((uint32 *)video + x + y * _screen.pitch) = LookupColourInPalette(color); -} - -void Renderer_32bpp::SetPixelIfEmpty(void *video, int x, int y, uint8 color) -{ - uint32 *dst = (uint32 *)video + x + y * _screen.pitch; - if (*dst == 0) *dst = LookupColourInPalette(color); -} - -void Renderer_32bpp::SetHorizontalLine(void *video, int width, uint8 color) -{ - uint32 *dst = (uint32 *)video; - uint32 color32 = LookupColourInPalette(color); - - for (; width > 0; width--) { - *dst = color32; - dst++; - } -} - -void Renderer_32bpp::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) -{ - int direction = (height < 0) ? -1 : 1; - uint32 *dst = (uint32 *)video; - uint32 *usrc = (uint32 *)src; - - height = abs(height); - for (; height > 0; height--) { - memcpy(dst, usrc, width * sizeof(uint32)); - usrc += src_pitch * direction; - dst += _screen.pitch * direction; - } -} - -void Renderer_32bpp::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) -{ - int direction = (height < 0) ? -1 : 1; - uint32 *udst = (uint32 *)dst; - uint32 *src = (uint32 *)video; - - height = abs(height); - for (; height > 0; height--) { - memcpy(udst, src, width * sizeof(uint32)); - src += _screen.pitch * direction; - udst += dst_pitch * direction; - } -} - -void Renderer_32bpp::MoveBuffer(void *video_dst, const void *video_src, int width, int height) -{ - uint32 *dst = (uint32 *)video_dst; - uint32 *src = (uint32 *)video_src; - - for (; height > 0; height--) { - memmove(dst, src, width * sizeof(uint32)); - src += _screen.pitch; - dst += _screen.pitch; - } -} - -int Renderer_32bpp::BufferSize(int width, int height) -{ - return width * height * sizeof(uint32); -} diff --git a/src/renderer/32bpp.hpp b/src/renderer/32bpp.hpp deleted file mode 100644 index 7f0283754..000000000 --- a/src/renderer/32bpp.hpp +++ /dev/null @@ -1,35 +0,0 @@ -/* $Id$ */ - -/** @file 32bpp.hpp */ - -#ifndef RENDERER_32BPP_HPP -#define RENDERER_32BPP_HPP - -#include "renderer.hpp" - -class Renderer_32bpp : public Renderer { -public: - /* virtual */ void *MoveTo(const void *video, int x, int y); - /* virtual */ void SetPixel(void *video, int x, int y, uint8 color); - /* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color); - /* virtual */ void SetHorizontalLine(void *video, int width, uint8 color); - /* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch); - /* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch); - /* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height); - /* virtual */ int BufferSize(int width, int height); - - static inline uint32 LookupColourInPalette(uint8 index) { - #define ARGB(a, r, g, b) ((((a) << 24) & 0xFF000000) | (((r) << 16) & 0x00FF0000) | (((g) << 8) & 0x0000FF00) | ((b) & 0x000000FF)) - if (index == 0) return 0x00000000; - return ARGB(0xFF, _cur_palette[index].r, _cur_palette[index].g, _cur_palette[index].b); - } -}; - -class FRenderer_32bpp: public RendererFactory<FRenderer_32bpp> { -public: - /* virtual */ const char *GetName() { return "32bpp"; } - - /* virtual */ Renderer *CreateInstance() { return new Renderer_32bpp(); } -}; - -#endif /* RENDERER_32BPP_HPP */ diff --git a/src/renderer/8bpp.cpp b/src/renderer/8bpp.cpp deleted file mode 100644 index 2f595c6c9..000000000 --- a/src/renderer/8bpp.cpp +++ /dev/null @@ -1,71 +0,0 @@ -#include "../stdafx.h" -#include "../gfx.h" -#include "8bpp.hpp" - -static FRenderer_8bpp iFRenderer_8bpp; - -void *Renderer_8bpp::MoveTo(const void *video, int x, int y) -{ - return (uint8 *)video + x + y * _screen.pitch; -} - -void Renderer_8bpp::SetPixel(void *video, int x, int y, uint8 color) -{ - *((uint8 *)video + x + y * _screen.pitch) = color; -} - -void Renderer_8bpp::SetPixelIfEmpty(void *video, int x, int y, uint8 color) -{ - uint8 *dst = (uint8 *)video + x + y * _screen.pitch; - if (*dst == 0) *dst = color; -} - -void Renderer_8bpp::SetHorizontalLine(void *video, int width, uint8 color) -{ - memset(video, color, width); -} - -void Renderer_8bpp::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) -{ - int direction = (height < 0) ? -1 : 1; - uint8 *dst = (uint8 *)video; - uint8 *usrc = (uint8 *)src; - - height = abs(height); - for (; height > 0; height--) { - memcpy(dst, usrc, width); - usrc += src_pitch * direction; - dst += _screen.pitch * direction; - } -} - -void Renderer_8bpp::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) -{ - int direction = (height < 0) ? -1 : 1; - uint8 *udst = (uint8 *)dst; - uint8 *src = (uint8 *)video; - - height = abs(height); - for (; height > 0; height--) { - memcpy(udst, src, width); - src += _screen.pitch * direction; - udst += dst_pitch * direction; - } -} - -void Renderer_8bpp::MoveBuffer(void *video_dst, const void *video_src, int width, int height) -{ - uint8 *dst = (uint8 *)video_dst; - uint8 *src = (uint8 *)video_src; - - for (; height > 0; height--) { - memmove(dst, src, width); - src += _screen.pitch; - dst += _screen.pitch; - } -} - -int Renderer_8bpp::BufferSize(int width, int height) -{ - return width * height; -} diff --git a/src/renderer/8bpp.hpp b/src/renderer/8bpp.hpp deleted file mode 100644 index a8bb27a48..000000000 --- a/src/renderer/8bpp.hpp +++ /dev/null @@ -1,29 +0,0 @@ -/* $Id$ */ - -/** @file 8bpp.hpp */ - -#ifndef RENDERER_8BPP_HPP -#define RENDERER_8BPP_HPP - -#include "renderer.hpp" - -class Renderer_8bpp : public Renderer { -public: - /* virtual */ void *MoveTo(const void *video, int x, int y); - /* virtual */ void SetPixel(void *video, int x, int y, uint8 color); - /* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color); - /* virtual */ void SetHorizontalLine(void *video, int width, uint8 color); - /* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch); - /* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch); - /* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height); - /* virtual */ int BufferSize(int width, int height); -}; - -class FRenderer_8bpp: public RendererFactory<FRenderer_8bpp> { -public: - /* virtual */ const char *GetName() { return "8bpp"; } - - /* virtual */ Renderer *CreateInstance() { return new Renderer_8bpp(); } -}; - -#endif /* RENDERER_8BPP_HPP */ diff --git a/src/renderer/null.cpp b/src/renderer/null.cpp deleted file mode 100644 index fc68feaf2..000000000 --- a/src/renderer/null.cpp +++ /dev/null @@ -1,39 +0,0 @@ -#include "../stdafx.h" -#include "../gfx.h" -#include "null.hpp" - -static FRenderer_Null iFRenderer_Null; - -void *Renderer_Null::MoveTo(const void *video, int x, int y) -{ - return NULL; -} - -void Renderer_Null::SetPixel(void *video, int x, int y, uint8 color) -{ -} - -void Renderer_Null::SetPixelIfEmpty(void *video, int x, int y, uint8 color) -{ -} - -void Renderer_Null::SetHorizontalLine(void *video, int width, uint8 color) -{ -} - -void Renderer_Null::CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) -{ -} - -void Renderer_Null::CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) -{ -} - -void Renderer_Null::MoveBuffer(void *video_dst, const void *video_src, int width, int height) -{ -} - -int Renderer_Null::BufferSize(int width, int height) -{ - return 0; -} diff --git a/src/renderer/null.hpp b/src/renderer/null.hpp deleted file mode 100644 index 1eb95bbdd..000000000 --- a/src/renderer/null.hpp +++ /dev/null @@ -1,29 +0,0 @@ -/* $Id$ */ - -/** @file null.hpp */ - -#ifndef RENDERER_NULL_HPP -#define RENDERER_NULL_HPP - -#include "renderer.hpp" - -class Renderer_Null : public Renderer { -public: - /* virtual */ void *MoveTo(const void *video, int x, int y); - /* virtual */ void SetPixel(void *video, int x, int y, uint8 color); - /* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color); - /* virtual */ void SetHorizontalLine(void *video, int width, uint8 color); - /* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch); - /* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch); - /* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height); - /* virtual */ int BufferSize(int width, int height); -}; - -class FRenderer_Null: public RendererFactory<FRenderer_Null> { -public: - /* virtual */ const char *GetName() { return "null"; } - - /* virtual */ Renderer *CreateInstance() { return new Renderer_Null(); } -}; - -#endif /* RENDERER_NULL_HPP */ diff --git a/src/renderer/renderer.hpp b/src/renderer/renderer.hpp deleted file mode 100644 index 7b7ad0f4f..000000000 --- a/src/renderer/renderer.hpp +++ /dev/null @@ -1,165 +0,0 @@ -/* $Id$ */ - -/** @file renderer.hpp */ - -#ifndef RENDERER_HPP -#define RENDERER_HPP - -#include <string> -#include <map> - -class Renderer { -public: - virtual ~Renderer() { } - - /** - * Move the destination pointer the requested amount x and y, keeping in mind - * any pitch and bpp of the renderer. - * @param video The destination pointer (video-buffer) to scroll. - * @param x How much you want to scroll to the right. - * @param y How much you want to scroll to the bottom. - * @return A new destination pointer moved the the requested place. - */ - virtual void *MoveTo(const void *video, int x, int y) = 0; - - /** - * Draw a pixel with a given color on the video-buffer. - * @param video The destination pointer (video-buffer). - * @param x The x position within video-buffer. - * @param y The y position within video-buffer. - * @param color A 8bpp mapping color. - */ - virtual void SetPixel(void *video, int x, int y, uint8 color) = 0; - - /** - * Draw a pixel with a given color on the video-buffer if there is currently a black pixel. - * @param video The destination pointer (video-buffer). - * @param x The x position within video-buffer. - * @param y The y position within video-buffer. - * @param color A 8bpp mapping color. - */ - virtual void SetPixelIfEmpty(void *video, int x, int y, uint8 color) = 0; - - /** - * Make a single horizontal line in a single color on the video-buffer. - * @param video The destination pointer (video-buffer). - * @param width The lenght of the line. - * @param color A 8bpp mapping color. - */ - virtual void SetHorizontalLine(void *video, int width, uint8 color) = 0; - - /** - * Copy from a buffer to the screen. - * @param video The destionation pointer (video-buffer). - * @param src The buffer from which the data will be read. - * @param width The width of the buffer. - * @param height The height of the buffer. - * @param src_pitch The pitch (byte per line) of the source buffer. - */ - virtual void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) = 0; - - /** - * Copy from the screen to a buffer. - * @param video The destination pointer (video-buffer). - * @param dst The buffer in which the data will be stored. - * @param width The width of the buffer. - * @param height The height of the buffer. - * @param dst_pitch The pitch (byte per line) of the destination buffer. - */ - virtual void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) = 0; - - /** - * Move the videobuffer some places (via memmove). - * @param video_dst The destination pointer (video-buffer). - * @param video_src The source pointer (video-buffer). - * @param width The width of the buffer to move. - * @param height The height of the buffer to move. - */ - virtual void MoveBuffer(void *video_dst, const void *video_src, int width, int height) = 0; - - /** - * Calculate how much memory there is needed for an image of this size in the video-buffer. - * @param width The width of the buffer-to-be. - * @param height The height of the buffer-to-be. - * @return The size needed for the buffer. - */ - virtual int BufferSize(int width, int height) = 0; -}; - -/** - * The factory, keeping track of all renderers. - */ -class RendererFactoryBase { -private: - char *name; - typedef std::map<std::string, RendererFactoryBase *> Renderers; - - static Renderers &GetRenderers() - { - static Renderers &s_renderers = *new Renderers(); - return s_renderers; - } - -protected: - /** - * Register a renderer internally, based on his bpp. - * @param name the name of the renderer. - * @note an assert() will be trigger if 2 renderers with the same bpp try to register. - */ - void RegisterRenderer(const char *name) - { - /* Don't register nameless Renderers */ - if (name == NULL) return; - - this->name = strdup(name); - std::pair<Renderers::iterator, bool> P = GetRenderers().insert(Renderers::value_type(name, this)); - assert(P.second); - } - -public: - RendererFactoryBase() : - name(NULL) - { } - - virtual ~RendererFactoryBase() { if (this->name != NULL) GetRenderers().erase(this->name); free(this->name); } - - /** - * Find the requested renderer and return his class-instance. - * @param name the renderer to select. - */ - static Renderer *SelectRenderer(const char *name) - { - if (GetRenderers().size() == 0) return NULL; - - Renderers::iterator it = GetRenderers().begin(); - for (; it != GetRenderers().end(); it++) { - RendererFactoryBase *r = (*it).second; - if (strcasecmp(name, r->name) == 0) { - return r->CreateInstance(); - } - } - return NULL; - } - - /** - * Create an instance of this Renderer-class. - */ - virtual Renderer *CreateInstance() = 0; -}; - -/** - * A template factory, so ->GetBpp() works correctly. This because else some compiler will complain. - */ -template <class T> -class RendererFactory: public RendererFactoryBase { -public: - RendererFactory() { this->RegisterRenderer(((T *)this)->GetName()); } - - /** - * Get the name for this renderer. - */ - const char *GetName(); -}; - - -#endif /* RENDERER_HPP */ |