57 lines
1.3 KiB
C++
57 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_RAYTRACE_SHADER_ID = -1;
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struct cd_raytrace_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 _[3];
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/* Camera used for rendering */
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struct camera const *camera;
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/* Current y value */
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int y;
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};
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#include <string.h>
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/* TODO: Write raytrace shader in assembler (MUCH NEEDED) */
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void cd_raytrace_shader(void *uniforms0, void *cmd0, void *fragment)
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{
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memset(fragment, 0x55, azrp_width * azrp_frag_height * 2);
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uint32_t uniforms = (uint32_t)uniforms0;
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struct cd_raytrace_cmd *cmd = (struct cd_raytrace_cmd *)cmd0;
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int frag_height = uniforms;
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int h = (frag_height > 112 - cmd->y) ? 112 - cmd->y : frag_height;
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render_fragment(cmd->camera, (uint16_t *)fragment, cmd->y, h);
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cmd->y += h;
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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_RAYTRACE_SHADER_ID = azrp_register_shader(cd_raytrace_shader);
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}
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void cd_raytrace(struct camera const *camera)
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{
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prof_enter(azrp_perf_cmdgen);
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struct cd_raytrace_cmd cmd;
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cmd.shader_id = CD_RAYTRACE_SHADER_ID;
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cmd.camera = camera;
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cmd.y = 0;
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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_raytrace_configure(void)
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{
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uint32_t value = azrp_frag_height;
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azrp_set_uniforms(CD_RAYTRACE_SHADER_ID, (void *)value);
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}
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