67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
#ifndef __VHEX_DISPLAY_STACK__
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# define __VHEX_DISPLAY_STACK__
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#include <vhex/display/shader.h>
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#include <vhex/display/types.h>
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/* dstack_call - dstack indirect call (same as dshader) */
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struct dstack_call {
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void (*routine)(dsurface_t *surface, uint32_t *draw_args);
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uint32_t args[12];
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};
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typedef struct dstack_call dstack_call_t;
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/* dstack_action - dstack drawing action information */
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struct dstack_action {
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struct dstack_call call;
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struct {
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dshader_call_t *table;
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int number;
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int idx;
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} shader;
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void (*quit)(uint32_t *arg);
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};
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/* DSTACK_CALL - display indirect call */
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#define DSTACK_CALL(fct, ...) (dstack_call_t){ \
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.routine = fct, \
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.args = { __VA_ARGS__ } \
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}
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//---
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// Display stack API
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//---
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/* dstack_init() : Initialise the draw stack (should not be involved) */
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extern int dstack_init(void);
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/* dstack_add_action() : add a new action in the draw stack */
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extern did_t dstack_add_action(
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dstack_call_t *call,
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dshader_call_t *shaders,
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void (*quit)(uint32_t *args)
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);
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/* dstack_get_action() : get display stack action using its ID */
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extern struct dstack_action *dstack_get_action(did_t did);
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/* dstack_render(): render a frame */
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extern void dstack_render(void);
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/* dstack_invalidate() : Invalidate the draw stack (reset) */
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extern int dstack_invalidate(void);
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/* dstack_display_width() : return the display width */
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extern size_t dstack_display_width(void);
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/* dstack_display_height() : return the display height */
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extern size_t dstack_display_height(void);
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/* dstack_quit() : Uninit the draw stack */
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extern int dstack_quit(void);
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#endif /* __VHEX_DISPLAY_STACK__ */
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