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https://git.planet-casio.com/Lephenixnoir/gint.git
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bopti: more performance improvement for SCSP cases
* Turn on GCC's -O3 for bopti files * Remove the bopti_render_noclip() step * Use rbox as early as possible to avoid moving memory around * A lot of local grinding
This commit is contained in:
Lephe
parent
11dd04243f
commit
d887423bbb
5 changed files with 147 additions and 98 deletions
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@ -2,21 +2,38 @@
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#include "../render-fx/render-fx.h"
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#include "../render-fx/bopti-asm.h"
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#pragma GCC optimize("O3")
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/* gsubimage(): Render a section of an image */
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void gsubimage(int x, int y, bopti_image_t const *img, int left, int top,
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int width, int height, int flags)
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void gsubimage(bopti_image_t const *img, struct rbox *r, GUNUSED int flags)
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{
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uint32_t *light, *dark;
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dgray_getvram(&light, &dark);
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if(flags & DIMAGE_NOCLIP)
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/* Intersect the bounding box with both the source image and the VRAM,
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except if DIMAGE_NOCLIP is provided */
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if(!(flags & DIMAGE_NOCLIP))
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{
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bopti_render_noclip(x, y, img, left, top, width, height,
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light, dark);
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/* Early finish for empty intersections */
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if(bopti_clip(img, r)) return;
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}
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int left = r->left;
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int width = r->width;
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int visual_x = r->visual_x;
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r->left = left >> 5;
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r->columns = ((left + width - 1) >> 5) - r->left + 1;
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if(r->columns == 1 && (visual_x & 31) + width <= 32)
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{
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r->x = (left & 31) - (visual_x & 31);
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bopti_render_scsp(img, r, light, dark);
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}
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else
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{
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bopti_render_clip(x, y, img, left, top, width, height,
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light, dark);
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/* x-coordinate of the first pixel of the first column */
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r->x = visual_x - (left & 31);
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bopti_render(img, r, light, dark);
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}
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}
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@ -36,6 +36,7 @@ typedef void asm_gray_scsp_t(uint32_t *v1, uint32_t const *layer,
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/* Type of any rendering function */
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typedef union {
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void *gen;
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asm_mono_t *asm_mono;
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asm_gray_t *asm_gray;
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asm_mono_scsp_t *asm_mono_scsp;
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@ -84,4 +85,34 @@ extern asm_gray_scsp_t bopti_gasm_gray_scsp;
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/* bpoti_asm_gray_alpha_scsp(): SCSP "gray_alpha" profile */
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extern asm_gray_scsp_t bopti_gasm_gray_alpha_scsp;
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//---
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// Renderer's data structures
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//---
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/* struct rbox: A rendering box (target coordinates and source rectangle)
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Meaning of fields vary during the rendering process! */
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struct rbox
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{
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/* General renderer:
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On-screen location of the leftmost pixel of the leftmost rendered
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column (this particular pixel might not be drawn but is of
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importance in the positioning process)
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SCSP renderer:
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Shift value used to align columns with positions */
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int x;
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/* On-screen location of top-left corner; the (x,y) of dsubimage() */
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int visual_x, y;
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/* Width of rendered sub-image */
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int width;
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/* Before bopti_render{_scsp}():
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Left-coordinate of the source box (included, in pixels)
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In bopti_render{_scsp}():
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Left-coordinate of the source box (included, in columns) */
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int left;
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/* Number of columns used in the source box */
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int columns;
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/* Vertical bounds of the box in the image (inc-excluded, in pixels) */
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int top, height;
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};
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#endif /* GINT_RENDERFX_BOPTIASM */
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@ -3,22 +3,7 @@
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#include "render-fx.h"
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#include "bopti-asm.h"
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/* struct rbox: A rendering box (target coordinates and source rectangle)
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Some of the data here is redundant, but makes things easier. */
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struct rbox
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{
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/* Left pixel of the first column to be drawn, even if this column is
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not drawn entirely */
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int x;
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/* On-screen location of top-left corner */
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int visual_x, y;
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/* Width of rendered sub-image */
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int width;
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/* Horizontal bounds of the box in the image (included, in columns) */
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int left, right;
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/* Vertical bounds of the box in the image (inc-excluded, in pixels) */
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int top, height;
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};
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#pragma GCC optimize("O3")
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/* struct command: A rendering command
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Includes many computed parameters and handy information. Read-only. */
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@ -176,7 +161,7 @@ void bopti_render(bopti_image_t const *img, struct rbox *rbox, uint32_t *v1,
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masks(rbox->visual_x, rbox->visual_x + rbox->width - 1, vm);
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/* Number of layers per profile */
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int layer_count[] = { 1, 2, 2, 3 };
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static const int layer_count[] = { 1, 2, 2, 3 };
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int layers = layer_count[img->profile];
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/* For each pair of consecutive VRAM elements involved, create a mask
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@ -207,20 +192,17 @@ void bopti_render(bopti_image_t const *img, struct rbox *rbox, uint32_t *v1,
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const uint32_t *layer = (void *)img->data;
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layer += (rbox->top * img_columns + rbox->left) * layers;
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/* Number of grid columns */
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int columns = rbox->right - rbox->left + 1;
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/* Compute and execute the command for this parameters */
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struct command c = {
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.x = rbox->x & 31,
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.v1 = v1,
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.v2 = v2 ? v2 : v1,
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.offset = (rbox->y << 2) + (rbox->x >> 5),
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.columns = columns,
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.columns = rbox->columns,
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.masks = masks + 2 * left_origin,
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.real_start = (left_origin > 0),
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.vram_stride = 4 - columns,
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.data_stride = ((img_columns - columns) << 2) * layers,
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.vram_stride = 4 - rbox->columns,
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.data_stride = ((img_columns - rbox->columns) << 2) * layers,
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.gray = (v2 != NULL),
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.f = f,
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};
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@ -231,61 +213,62 @@ void bopti_render(bopti_image_t const *img, struct rbox *rbox, uint32_t *v1,
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void bopti_render_scsp(bopti_image_t const *img, struct rbox *rbox,
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uint32_t *v1, uint32_t *v2)
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{
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/* Rendering function */
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bopti_asm_t f;
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if(v2) f.asm_gray_scsp = asm_gray_scsp[img->profile];
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else f.asm_mono_scsp = asm_mono_scsp[img->profile];
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/* Compute the only rendering mask. Avoid UB if width = 32 */
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uint32_t mask = 0xffffffff;
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if(rbox->width < 32)
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{
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int right = 32 - ((rbox->visual_x & 31) + rbox->width);
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mask = ((1 << rbox->width) - 1) << right;
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}
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/* Compute the only rendering mask */
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uint32_t mask =
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(0xffffffff << (32 - rbox->width)) >> (rbox->visual_x & 31);
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/* Number of layers */
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int layer_count[] = { 1, 2, 2, 3 };
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int layers = layer_count[img->profile];
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int layers = img->profile - (img->profile >> 1) + 1;
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/* Number of columns in [img] */
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int img_columns = (img->width + 31) >> 5;
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/* Number of longwords to skip between rows of [img] */
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int img_stride = ((img->width + 31) >> 5) * layers;
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/* Interwoven layer data. Skip left columns that are not rendered */
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const uint32_t *layer = (void *)img->data;
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layer += (rbox->top * img_columns + rbox->left) * layers;
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layer += (rbox->top * img_stride) + (rbox->left * layers);
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/* Starting value of VRAM pointers */
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int offset = (rbox->y << 2) + (rbox->visual_x >> 5);
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v1 += offset;
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if(v2) v2 += offset;
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/* Number of rows */
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int rows = rbox->height;
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/* Mask shift */
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int shift = -(rbox->x & 31);
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if(rbox->x < 0) shift += 32;
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/* Render the grid immediately; mono version */
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if(!v2) while(rows--)
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if(!v2)
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{
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f.asm_mono_scsp(v1, layer, mask, shift);
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layer += img_columns * layers;
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v1 += 4;
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asm_mono_scsp_t *f = asm_mono_scsp[img->profile];
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while(rows--)
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{
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f(v1, layer, mask, rbox->x);
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layer += img_stride;
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v1 += 4;
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}
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}
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/* Gray version */
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else while(rows--)
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else
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{
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f.asm_gray_scsp(v1, layer, mask, v2, shift);
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layer += img_columns * layers;
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v1 += 4;
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v2 += 4;
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asm_gray_scsp_t *f = asm_gray_scsp[img->profile];
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v2 += offset;
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while(rows--)
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{
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f(v1, layer, mask, v2, rbox->x);
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layer += img_stride;
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v1 += 4;
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v2 += 4;
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}
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}
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}
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void bopti_render_clip(int x, int y, bopti_image_t const *img, int left,
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int top, int width, int height, uint32_t *v1, uint32_t *v2)
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int bopti_clip(bopti_image_t const *img, struct rbox *r)
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{
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/* This load/save is not elegant but it makes GCC use register-only
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operations, which is what we need for efficiency */
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int x = r->visual_x, y = r->y;
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int left = r->left, top = r->top;
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int width = r->width, height = r->height;
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/* Adjust the bounding box of the input image */
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if(left < 0) width += left, x -= left, left = 0;
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if(top < 0) height += top, y -= top, top = 0;
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@ -298,32 +281,34 @@ void bopti_render_clip(int x, int y, bopti_image_t const *img, int left,
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if(x + width > DWIDTH) width = DWIDTH - x;
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if(y + height > DHEIGHT) height = DHEIGHT - y;
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/* Early finish for empty intersections */
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if(width <= 0 || height <= 0) return;
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r->visual_x = x;
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r->y = y;
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r->left = left;
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r->top = top;
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r->width = width;
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r->height = height;
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/* Finish with the noclip variant */
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bopti_render_noclip(x, y, img, left, top, width, height, v1, v2);
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/* Return non-zero if the result is empty */
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return (width <= 0 || height <= 0);
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}
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void bopti_render_noclip(int visual_x, int y, bopti_image_t const *img,
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int left, int top, int width, int height, uint32_t *v1, uint32_t *v2)
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void bopti_render_noclip(bopti_image_t const *img, struct rbox *r,
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uint32_t *v1, uint32_t *v2)
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{
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int left = r->left;
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/* Start column and end column (both included) */
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int cl = (left) >> 5;
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int cr = (left + width - 1) >> 5;
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r->left >>= 5;
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/* Finish with the standard bopti renderer */
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struct rbox rbox = { 0, visual_x, y, width, cl, cr, top, height };
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if(cl == cr && (visual_x & 31) + width <= 32)
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if(r->columns == 1 && (r->visual_x & 31) + r->width <= 32)
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{
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rbox.x = (visual_x & 31) - (left & 31);
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bopti_render_scsp(img, &rbox, v1, v2);
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r->x = (left & 31) - (r->visual_x & 31);
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bopti_render_scsp(img, r, v1, v2);
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}
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else
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{
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/* x-coordinate of the first pixel of the first column */
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rbox.x = visual_x - (left & 31);
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bopti_render(img, &rbox, v1, v2);
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r->x = r->visual_x - (left & 31);
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bopti_render(img, r, v1, v2);
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}
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}
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@ -2,22 +2,43 @@
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#include "render-fx.h"
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#include "bopti-asm.h"
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#pragma GCC optimize("O3")
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/* dsubimage(): Render a section of an image */
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void dsubimage(int x, int y, bopti_image_t const *img, int left, int top,
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int width, int height, int flags)
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{
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DMODE_OVERRIDE(dsubimage, x, y, img, left, top, width, height, flags);
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struct rbox r = {
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0, x, y, width, left, 0, top, height
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};
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DMODE_OVERRIDE(dsubimage, img, &r, flags);
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if(img->gray) return;
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if(flags & DIMAGE_NOCLIP)
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/* Intersect the bounding box with both the source image and the VRAM,
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except if DIMAGE_NOCLIP is provided */
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if(!(flags & DIMAGE_NOCLIP))
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{
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bopti_render_noclip(x, y, img, left, top, width, height,
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gint_vram, NULL);
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/* Early finish for empty intersections */
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if(bopti_clip(img, &r)) return;
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}
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left = r.left;
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width = r.width;
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int visual_x = r.visual_x;
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r.left = left >> 5;
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r.columns = ((left + width - 1) >> 5) - r.left + 1;
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if(r.columns == 1 && (visual_x & 31) + width <= 32)
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{
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r.x = (left & 31) - (visual_x & 31);
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bopti_render_scsp(img, &r, gint_vram, NULL);
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}
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else
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{
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bopti_render_clip(x, y, img, left, top, width, height,
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gint_vram, NULL);
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/* x-coordinate of the first pixel of the first column */
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r.x = visual_x - (left & 31);
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bopti_render(img, &r, gint_vram, NULL);
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}
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}
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@ -7,6 +7,7 @@
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#include <gint/defs/types.h>
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#include <gint/display.h>
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#include "bopti-asm.h"
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/* masks(): Compute the vram masks for a given rectangle
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@ -24,13 +25,10 @@
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@masks Stores the result of the function (four uint32_t values) */
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void masks(int x1, int x2, uint32_t *masks);
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/* bopti_render_clip(): Render a bopti image with clipping
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@x @y Location of the top-left corner
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@img Image encoded by [fxconv]
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@left @top @w @h Bounding box to render
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@v1 @v2 VRAMs (gray rendering is used if v2 != NULL) */
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void bopti_render_clip(int x, int y, bopti_image_t const *img, int left,
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int top, int w, int h, uint32_t *v1, uint32_t *v2);
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/* bopti_clip(): Clip a bounding box to image and VRAM
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@img Image encoded by [fxconv]
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@rbox Rendering box */
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int bopti_clip(bopti_image_t const *img, struct rbox *rbox);
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/* bopti_render_noclip(): Render a bopti image without clipping
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This function is only ever slightly faster than bopti_render_clip(),
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@ -42,8 +40,8 @@ void bopti_render_clip(int x, int y, bopti_image_t const *img, int left,
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@img Image encoded by [fxconv]
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@left @top @w @h Bounding box to render
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@v1 @v2 VRAMs (gray rendering is used if v2 != NULL) */
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void bopti_render_noclip(int x, int y, bopti_image_t const *img, int left,
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int top, int w, int h, uint32_t *v1, uint32_t *v2);
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void bopti_render_noclip(bopti_image_t const *img, struct rbox *rbox,
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uint32_t *v1, uint32_t *v2);
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//---
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// Alternate rendering modes
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@ -72,8 +70,7 @@ struct rendering_mode
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(int x, int y, int fg, int bg, int halign, int valign,
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char const *str);
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void (*dsubimage)
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(int x, int y, bopti_image_t const *image, int left, int top,
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int width, int height, int flags);
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(bopti_image_t const *image, struct rbox *r, int flags);
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};
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/* The alternate rendering mode pointer (initially NULL)*/
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@ -89,9 +86,7 @@ void gint_gvline(int y1, int y2, int x, int color);
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void gtext_opt
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(int x, int y, int fg, int bg, int halign, int valign,
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char const *str);
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void gsubimage
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(int x, int y, bopti_image_t const *image, int left, int top,
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int width, int height, int flags);
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void gsubimage(bopti_image_t const *image, struct rbox *r, int flags);
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/* Short macro to call the alternate rendering function when available */
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#define DMODE_OVERRIDE(func, ...) \
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