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annotate ppm.c @ 1971:80920c21bb52

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Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents 5f65a16c23ff
children da2e06c42d16
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1263
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
Michael Pavone <pavone@retrodev.com>
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1 #include <stdint.h>
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2 #include <stdio.h>
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3
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4 void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch)
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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5 {
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6 fprintf(f, "P6\n%d %d\n255\n", width, height);
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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7 for(uint32_t y = 0; y < height; y++)
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8 {
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9 uint32_t *line = buffer;
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10 for (uint32_t x = 0; x < width; x++, line++)
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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11 {
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12 uint8_t buf[3] = {
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13 *line >> 16, //red
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14 *line >> 8, //green
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15 *line //blue
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16 };
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17 fwrite(buf, 1, sizeof(buf), f);
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18 }
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19 buffer = buffer + pitch / sizeof(uint32_t);
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20 }
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21 }