58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "../../chaos-drop.h"
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#include <azur/gint/render.h>
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uint8_t CD_VFX_SHADER_ID = -1;
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struct cd_vfx_cmd
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{
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/* Shader ID for Azur */
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uint8_t shader_id;
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uint8_t _;
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uint16_t effect;
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};
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void cd_vfx_shader(void *uniforms, void *cmd0, void *fragment0)
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{
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int N = (int)uniforms;
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struct cd_vfx_cmd *cmd = (struct cd_vfx_cmd *)cmd0;
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uint32_t *fragment = (uint32_t *)fragment0;
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if(cmd->effect == CD_VFX_DARKEN) {
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for(int i = 0; i < N; i++)
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fragment[i] = (fragment[i] & 0xf7def7de) >> 1;
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}
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else if(cmd->effect == CD_VFX_WHITEN) {
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for(int i = 0; i < N; i++)
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fragment[i] = ~((~fragment[i] & 0xf7def7de) >> 1);
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}
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else if(cmd->effect == CD_VFX_INVERT) {
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for(int i = 0; i < N; i++)
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fragment[i] = ~fragment[i];
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}
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}
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GCONSTRUCTOR
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static void register_shader(void)
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{
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CD_VFX_SHADER_ID = azrp_register_shader(cd_vfx_shader);
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}
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void cd_vfx(int effect)
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{
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prof_enter(azrp_perf_cmdgen);
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struct cd_vfx_cmd cmd;
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cmd.shader_id = CD_VFX_SHADER_ID;
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cmd.effect = effect;
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azrp_queue_command(&cmd, sizeof cmd, 0, azrp_frag_count);
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prof_leave(azrp_perf_cmdgen);
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}
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void cd_vfx_configure(void)
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{
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uint32_t value = (azrp_frag_height * azrp_width) / 2;
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azrp_set_uniforms(CD_VFX_SHADER_ID, (void *)value);
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}
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