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authortruelight <truelight@openttd.org>2007-06-13 10:31:40 +0000
committertruelight <truelight@openttd.org>2007-06-13 10:31:40 +0000
commitf782a311f8bf371faa026f423719a21c399ed31b (patch)
tree98a70aa7bd079e3d0a506b21ae4262f53fdd811c /src
parent5eda486f9336b520e0374a200651b05599030b89 (diff)
downloadopenttd-f782a311f8bf371faa026f423719a21c399ed31b.tar.xz
(svn r10132) -Codechange: split out the last direct video-buffer read access to the blitter-layer
-Add: added a new renderer and blitter to make room for some optimized bpp -Fix: fill the alpha channel in the grf-spriteloader
Diffstat (limited to 'src')
-rw-r--r--src/blitter/32bpp_simple.cpp155
-rw-r--r--src/blitter/32bpp_simple.hpp32
-rw-r--r--src/blitter/8bpp_debug.cpp10
-rw-r--r--src/blitter/8bpp_debug.hpp2
-rw-r--r--src/blitter/8bpp_optimized.cpp10
-rw-r--r--src/blitter/8bpp_optimized.hpp2
-rw-r--r--src/blitter/8bpp_simple.cpp10
-rw-r--r--src/blitter/8bpp_simple.hpp2
-rw-r--r--src/blitter/blitter.hpp11
-rw-r--r--src/blitter/null.cpp4
-rw-r--r--src/blitter/null.hpp2
-rw-r--r--src/gfx.cpp8
-rw-r--r--src/renderer/32bpp.cpp77
-rw-r--r--src/renderer/32bpp.hpp35
-rw-r--r--src/spriteloader/grf.cpp4
15 files changed, 357 insertions, 7 deletions
diff --git a/src/blitter/32bpp_simple.cpp b/src/blitter/32bpp_simple.cpp
new file mode 100644
index 000000000..15a5e926c
--- /dev/null
+++ b/src/blitter/32bpp_simple.cpp
@@ -0,0 +1,155 @@
+#include "../stdafx.h"
+#include "../zoom.hpp"
+#include "../gfx.h"
+#include "../debug.h"
+#include "../table/sprites.h"
+#include "../renderer/32bpp.hpp"
+#include "32bpp_simple.hpp"
+
+static FBlitter_32bppSimple iFBlitter_32bppSimple;
+
+/**
+ * Compose a color based on RGB values.
+ */
+static inline uint ComposeColor(uint r, uint g, uint b)
+{
+ return (r & 0xFF) << 16 | (g & 0xFF) << 8 | (b & 0xFF) << 0;
+}
+
+/**
+ * Make a pixel looks like it is transparent.
+ * @param color the color already on the screen.
+ * @param amount the amount of transparency, times 100.
+ * @return the new color for the screen.
+ */
+static inline uint MakeTransparent(uint color, uint amount)
+{
+ uint r, g, b;
+ r = GB(color, 16, 8);
+ g = GB(color, 8, 8);
+ b = GB(color, 0, 8);
+
+ return ComposeColor(r * amount / 100, g * amount / 100, b * amount / 100);
+}
+
+/**
+ * Make a color grey-based.
+ * @param color the color to make grey.
+ * @return the new color, now grey.
+ */
+static inline uint MakeGrey(uint color)
+{
+ uint r, g, b;
+ r = GB(color, 16, 8);
+ g = GB(color, 8, 8);
+ b = GB(color, 0, 8);
+
+ /* To avoid doubles and stuff, multiple it with a total of 65536 (16bits), then
+ * divide by it to normalize the value to a byte again. See heightmap.cpp for
+ * information about the formula. */
+ color = ((r * 19595) + (g * 38470) + (b * 7471)) / 65536;
+
+ return ComposeColor(color, color, color);
+}
+
+void Blitter_32bppSimple::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom)
+{
+ const SpriteLoader::CommonPixel *src, *src_line;
+ uint32 *dst, *dst_line;
+
+ /* Find where to start reading in the source sprite */
+ src_line = (const SpriteLoader::CommonPixel *)bp->sprite + (bp->skip_top * bp->sprite_width + bp->skip_left) * ScaleByZoom(1, zoom);
+ dst_line = (uint32 *)bp->dst + bp->top * bp->pitch + bp->left;
+
+ for (int y = 0; y < bp->height; y++) {
+ dst = dst_line;
+ dst_line += bp->pitch;
+
+ src = src_line;
+ src_line += bp->sprite_width * ScaleByZoom(1, zoom);
+
+ for (int x = 0; x < bp->width; x++) {
+
+ switch (mode) {
+ case BM_COLOUR_REMAP:
+ /* In case the m-channel is zero, do not remap this pixel in any way */
+ if (src->m == 0) {
+ if (src->a != 0) *dst = ComposeColor(src->r, src->g, src->b);
+ } else {
+ if (bp->remap[src->m] != 0) *dst = Renderer_32bpp::LookupColourInPalette(bp->remap[src->m]);
+ }
+ break;
+
+ case BM_TRANSPARENT:
+ /* TODO -- We make an assumption here that the remap in fact is transparency, not some color.
+ * This is never a problem with the code we produce, but newgrfs can make it fail... or at least:
+ * we produce a result the newgrf maker didn't expect ;) */
+
+ /* Make the current color a bit more black, so it looks like this image is transparent */
+ if (src->a != 0) *dst = MakeTransparent(*dst, 75);
+ break;
+
+ default:
+ if (src->a != 0) *dst = ComposeColor(src->r, src->g, src->b);
+ break;
+ }
+ dst++;
+ src += ScaleByZoom(1, zoom);
+ }
+ }
+}
+
+void Blitter_32bppSimple::DrawColorMappingRect(void *dst, int width, int height, int pal)
+{
+ uint32 *udst = (uint32 *)dst;
+
+ if (pal == PALETTE_TO_TRANSPARENT) {
+ do {
+ for (int i = 0; i != width; i++) {
+ *udst = MakeTransparent(*udst, 60);
+ udst++;
+ }
+ udst = udst - width + _screen.pitch;
+ } while (height--);
+ return;
+ }
+ if (pal == PALETTE_TO_STRUCT_GREY) {
+ do {
+ for (int i = 0; i != width; i++) {
+ *udst = MakeGrey(*udst);
+ udst++;
+ }
+ udst = udst - width + _screen.pitch;
+ } while (height--);
+ return;
+ }
+
+ DEBUG(misc, 0, "32bpp blitter doesn't know how to draw this color table ('%d')", pal);
+}
+
+Sprite *Blitter_32bppSimple::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
+{
+ Sprite *dest_sprite;
+ SpriteLoader::CommonPixel *dst;
+ dest_sprite = (Sprite *)allocator(sizeof(*dest_sprite) + sprite->height * sprite->width * sizeof(SpriteLoader::CommonPixel));
+
+ dest_sprite->height = sprite->height;
+ dest_sprite->width = sprite->width;
+ dest_sprite->x_offs = sprite->x_offs;
+ dest_sprite->y_offs = sprite->y_offs;
+
+ dst = (SpriteLoader::CommonPixel *)dest_sprite->data;
+
+ memcpy(dst, sprite->data, sprite->height * sprite->width * sizeof(SpriteLoader::CommonPixel));
+ for (int i = 0; i < sprite->height * sprite->width; i++) {
+ if (dst[i].m != 0) {
+ /* Pre-convert the mapping channel to a RGB value */
+ uint color = Renderer_32bpp::LookupColourInPalette(dst[i].m);
+ dst[i].r = GB(color, 16, 8);
+ dst[i].g = GB(color, 8, 8);
+ dst[i].b = GB(color, 0, 8);
+ }
+ }
+
+ return dest_sprite;
+}
diff --git a/src/blitter/32bpp_simple.hpp b/src/blitter/32bpp_simple.hpp
new file mode 100644
index 000000000..cafaaab00
--- /dev/null
+++ b/src/blitter/32bpp_simple.hpp
@@ -0,0 +1,32 @@
+/* $Id$ */
+
+/** @file 32bpp_simple.hpp */
+
+#ifndef BLITTER_32BPP_SIMPLE_HPP
+#define BLITTER_32BPP_SIMPLE_HPP
+
+#include "blitter.hpp"
+
+class Blitter_32bppSimple : public Blitter {
+public:
+ /* virtual */ uint8 GetScreenDepth() { return 32; }
+
+ /* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+
+ /* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+
+ /* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
+
+ /* virtual */ const char *GetRenderer() { return "32bpp"; }
+};
+
+class FBlitter_32bppSimple: public BlitterFactory<FBlitter_32bppSimple> {
+public:
+ /* virtual */ const char *GetName() { return "32bpp-simple"; }
+
+ /* virtual */ const char *GetDescription() { return "32bpp Simple Blitter (no palette animation)"; }
+
+ /* virtual */ Blitter *CreateInstance() { return new Blitter_32bppSimple(); }
+};
+
+#endif /* BLITTER_32BPP_SIMPLE_HPP */
diff --git a/src/blitter/8bpp_debug.cpp b/src/blitter/8bpp_debug.cpp
index 3a9b52d2a..e1ad988d3 100644
--- a/src/blitter/8bpp_debug.cpp
+++ b/src/blitter/8bpp_debug.cpp
@@ -35,6 +35,16 @@ void Blitter_8bppDebug::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomL
}
}
+void Blitter_8bppDebug::DrawColorMappingRect(void *dst, int width, int height, int pal)
+{
+ const uint8 *ctab = GetNonSprite(pal) + 1;
+
+ do {
+ for (int i = 0; i != width; i++) _screen.renderer->SetPixel(dst, i, 0, ctab[((uint8 *)dst)[i]]);
+ dst = _screen.renderer->MoveTo(dst, 0, 1);
+ } while (height--);
+}
+
Sprite *Blitter_8bppDebug::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
{
Sprite *dest_sprite;
diff --git a/src/blitter/8bpp_debug.hpp b/src/blitter/8bpp_debug.hpp
index 7b8484f70..d3b52988b 100644
--- a/src/blitter/8bpp_debug.hpp
+++ b/src/blitter/8bpp_debug.hpp
@@ -13,6 +13,8 @@ public:
/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+ /* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+
/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
/* virtual */ const char *GetRenderer() { return "8bpp"; }
diff --git a/src/blitter/8bpp_optimized.cpp b/src/blitter/8bpp_optimized.cpp
index 9af922e30..09c5886f0 100644
--- a/src/blitter/8bpp_optimized.cpp
+++ b/src/blitter/8bpp_optimized.cpp
@@ -102,6 +102,16 @@ void Blitter_8bppOptimized::Draw(Blitter::BlitterParams *bp, BlitterMode mode, Z
}
}
+void Blitter_8bppOptimized::DrawColorMappingRect(void *dst, int width, int height, int pal)
+{
+ const uint8 *ctab = GetNonSprite(pal) + 1;
+
+ do {
+ for (int i = 0; i != width; i++) _screen.renderer->SetPixel(dst, i, 0, ctab[((uint8 *)dst)[i]]);
+ dst = _screen.renderer->MoveTo(dst, 0, 1);
+ } while (height--);
+}
+
Sprite *Blitter_8bppOptimized::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
{
Sprite *dest_sprite;
diff --git a/src/blitter/8bpp_optimized.hpp b/src/blitter/8bpp_optimized.hpp
index 540e9d1c6..0c9cb2dee 100644
--- a/src/blitter/8bpp_optimized.hpp
+++ b/src/blitter/8bpp_optimized.hpp
@@ -13,6 +13,8 @@ public:
/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+ /* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+
/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
/* virtual */ const char *GetRenderer() { return "8bpp"; }
diff --git a/src/blitter/8bpp_simple.cpp b/src/blitter/8bpp_simple.cpp
index 010066f8a..47ebe8fc4 100644
--- a/src/blitter/8bpp_simple.cpp
+++ b/src/blitter/8bpp_simple.cpp
@@ -48,6 +48,16 @@ void Blitter_8bppSimple::Draw(Blitter::BlitterParams *bp, BlitterMode mode, Zoom
}
}
+void Blitter_8bppSimple::DrawColorMappingRect(void *dst, int width, int height, int pal)
+{
+ const uint8 *ctab = GetNonSprite(pal) + 1;
+
+ do {
+ for (int i = 0; i != width; i++) _screen.renderer->SetPixel(dst, i, 0, ctab[((uint8 *)dst)[i]]);
+ dst = _screen.renderer->MoveTo(dst, 0, 1);
+ } while (height--);
+}
+
Sprite *Blitter_8bppSimple::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
{
Sprite *dest_sprite;
diff --git a/src/blitter/8bpp_simple.hpp b/src/blitter/8bpp_simple.hpp
index 1188e509d..2c848d7c1 100644
--- a/src/blitter/8bpp_simple.hpp
+++ b/src/blitter/8bpp_simple.hpp
@@ -13,6 +13,8 @@ public:
/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+ /* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+
/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
/* virtual */ const char *GetRenderer() { return "8bpp"; }
diff --git a/src/blitter/blitter.hpp b/src/blitter/blitter.hpp
index b2e0edfe3..175533df6 100644
--- a/src/blitter/blitter.hpp
+++ b/src/blitter/blitter.hpp
@@ -49,6 +49,17 @@ public:
virtual void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) = 0;
/**
+ * Draw a colortable to the screen. This is: the color of the screen is read
+ * and is looked-up in the palette to match a new color, which then is put
+ * on the screen again.
+ * @param dst the destination pointer (video-buffer).
+ * @param width the width of the buffer.
+ * @param height the height of the buffer.
+ * @param pal the palette to use.
+ */
+ virtual void DrawColorMappingRect(void *dst, int width, int height, int pal) = 0;
+
+ /**
* Convert a sprite from the loader to our own format.
*/
virtual Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator) = 0;
diff --git a/src/blitter/null.cpp b/src/blitter/null.cpp
index 1aad792a1..ae1133b20 100644
--- a/src/blitter/null.cpp
+++ b/src/blitter/null.cpp
@@ -10,6 +10,10 @@ void Blitter_Null::Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel
{
}
+void Blitter_Null::DrawColorMappingRect(void *dst, int width, int height, int pal)
+{
+}
+
Sprite *Blitter_Null::Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator)
{
Sprite *dest_sprite;
diff --git a/src/blitter/null.hpp b/src/blitter/null.hpp
index 5278bd474..5db182cb6 100644
--- a/src/blitter/null.hpp
+++ b/src/blitter/null.hpp
@@ -13,6 +13,8 @@ public:
/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+ /* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal);
+
/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);
/* virtual */ const char *GetRenderer() { return "null"; }
diff --git a/src/gfx.cpp b/src/gfx.cpp
index 332015ef3..f04524fd0 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -151,13 +151,7 @@ void GfxFillRect(int left, int top, int right, int bottom, int color)
dst = _screen.renderer->MoveTo(dst, 0, 1);
} while (--bottom);
} else {
- /* use colortable mode */
- const byte* ctab = GetNonSprite(GB(color, 0, PALETTE_WIDTH)) + 1;
-
- do {
- for (int i = 0; i != right; i++) _screen.renderer->SetPixel(dst, i, 0, ctab[((uint8 *)dst)[i]]);
- dst = _screen.renderer->MoveTo(dst, 0, 1);
- } while (--bottom);
+ BlitterFactoryBase::GetCurrentBlitter()->DrawColorMappingRect(dst, right, bottom, GB(color, 0, PALETTE_WIDTH));
}
} else {
byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
diff --git a/src/renderer/32bpp.cpp b/src/renderer/32bpp.cpp
new file mode 100644
index 000000000..1d1d78e6a
--- /dev/null
+++ b/src/renderer/32bpp.cpp
@@ -0,0 +1,77 @@
+#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
new file mode 100644
index 000000000..7f0283754
--- /dev/null
+++ b/src/renderer/32bpp.hpp
@@ -0,0 +1,35 @@
+/* $Id$ */
+
+/** @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/spriteloader/grf.cpp b/src/spriteloader/grf.cpp
index 5fd837b6d..7b72f1ac1 100644
--- a/src/spriteloader/grf.cpp
+++ b/src/spriteloader/grf.cpp
@@ -95,6 +95,10 @@ bool SpriteLoaderGrf::LoadSprite(SpriteLoader::Sprite *sprite, uint32 file_pos)
sprite->data[i].m = dest[i];
}
+ /* Make sure to mark all transparent pixels transparent on the alpha channel too */
+ for (int i = 0; i < sprite->width * sprite->height; i++)
+ if (sprite->data[i].m != 0) sprite->data[i].a = 0xFF;
+
free(dest_orig);
return true;
}