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annotate ppm.c @ 2138:b6338e18787e

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Fix some dynarec code invalidation issues
author Michael Pavone <pavone@retrodev.com>
date Sat, 19 Mar 2022 15:50:45 -0700
parents 5f65a16c23ff
children
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>
parents:
diff changeset
1 #include <stdint.h>
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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2 #include <stdio.h>
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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3
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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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
Michael Pavone <pavone@retrodev.com>
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5 {
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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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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parents:
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7 for(uint32_t y = 0; y < height; y++)
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
Michael Pavone <pavone@retrodev.com>
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8 {
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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9 uint32_t *line = buffer;
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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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 {
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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12 uint8_t buf[3] = {
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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13 *line >> 16, //red
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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14 *line >> 8, //green
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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15 *line //blue
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16 };
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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17 fwrite(buf, 1, sizeof(buf), f);
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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18 }
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19 buffer = buffer + pitch / sizeof(uint32_t);
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20 }
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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21 }