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Implemented scaling in the D3D renderer
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slouken committed Jul 19, 2006
1 parent 4366cd6 commit 06a33bfd512ecc838cbb1d5a88431133e6609d55
Showing with 49 additions and 9 deletions.
  1. +22 −0 src/video/win32/SDL_d3drender.c
  2. +27 −9 test/testsprite2.c
@@ -653,6 +653,28 @@ D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
break;
}

switch (scaleMode) {
case SDL_TextureScaleMode_None:
case SDL_TextureScaleMode_Fast:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_POINT);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_POINT);
break;
case SDL_TextureScaleMode_Slow:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
break;
case SDL_TextureScaleMode_Best:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_GAUSSIANQUAD);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_GAUSSIANQUAD);
break;
}

result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) texturedata->
@@ -17,6 +17,7 @@ static SDL_Rect *positions;
static SDL_Rect *velocities;
static int sprite_w, sprite_h;
static SDL_TextureBlendMode blendMode = SDL_TextureBlendMode_Mask;
static SDL_TextureScaleMode scaleMode = SDL_TextureScaleMode_None;

/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void
@@ -87,12 +88,6 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
/* Move the sprite, bounce at the wall, and draw */
n = 0;
SDL_RenderFill(NULL, BACKGROUND);
/*
for (i = 0; i < num_sprites; ++i) {
position = &positions[i];
SDL_RenderFill(position, BACKGROUND);
}
*/
for (i = 0; i < num_sprites; ++i) {
position = &positions[i];
velocity = &velocities[i];
@@ -108,8 +103,7 @@ MoveSprites(SDL_WindowID window, SDL_TextureID sprite)
}

/* Blit the sprite onto the screen */
SDL_RenderCopy(sprite, NULL, position, blendMode,
SDL_TextureScaleMode_None);
SDL_RenderCopy(sprite, NULL, position, blendMode, scaleMode);
}

/* Update the screen! */
@@ -142,6 +136,9 @@ main(int argc, char *argv[])
if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
blendMode = SDL_TextureBlendMode_None;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
blendMode = SDL_TextureBlendMode_Mask;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
blendMode = SDL_TextureBlendMode_Blend;
consumed = 2;
@@ -153,13 +150,30 @@ main(int argc, char *argv[])
consumed = 2;
}
}
} else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
if (argv[i + 1]) {
if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
scaleMode = SDL_TextureScaleMode_None;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
scaleMode = SDL_TextureScaleMode_Fast;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
scaleMode = SDL_TextureScaleMode_Slow;
consumed = 2;
} else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
scaleMode = SDL_TextureScaleMode_Best;
consumed = 2;
}
}
} else if (SDL_isdigit(*argv[i])) {
num_sprites = SDL_atoi(argv[i]);
consumed = 1;
}
}
if (consumed < 0) {
fprintf(stderr, "Usage: %s %s [--blend none|blend|add|mod]",
fprintf(stderr,
"Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best]",
argv[0], CommonUsage(state));
quit(1);
}
@@ -192,6 +206,10 @@ main(int argc, char *argv[])
quit(2);
}
srand(time(NULL));
if (scaleMode != SDL_TextureScaleMode_None) {
sprite_w += sprite_w / 2;
sprite_h += sprite_h / 2;
}
for (i = 0; i < num_sprites; ++i) {
positions[i].x = rand() % (state->window_w - sprite_w);
positions[i].y = rand() % (state->window_h - sprite_h);

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