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annotate ppm.c @ 1374:8f404b1fa572

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Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
author Michael Pavone <pavone@retrodev.com>
date Tue, 23 May 2017 23:47:40 -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>
parents:
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1 #include <stdint.h>
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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2 #include <stdio.h>
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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
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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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7 for(uint32_t y = 0; y < height; y++)
5f65a16c23ff Implement raw screenshot functionality requested in ticket:10
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8 {
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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 {
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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 }