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Don't submit dead vertices

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This commit is contained in:
Luke Benstead 2020-10-18 22:01:45 +01:00
parent 36fe13095c
commit 26abe44336
3 changed files with 19 additions and 13 deletions
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3
GL/clip.c
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@ -165,7 +165,7 @@ void _glClipTriangle(const Triangle* triangle, const uint8_t visible, Submission
} }
static inline void markDead(Vertex* vert) { static inline void markDead(Vertex* vert) {
vert->flags = VERTEX_CMD_EOL; vert->flags = DEAD; //VERTEX_CMD_EOL;
// If we're debugging, wipe out the xyz // If we're debugging, wipe out the xyz
#ifndef NDEBUG #ifndef NDEBUG
@ -331,7 +331,6 @@ void _glClipTriangleStrip(SubmissionTarget* target, uint8_t fladeShade) {
triangle = -1; triangle = -1;
} else { } else {
Vertex* v4 = v3 + 1; Vertex* v4 = v3 + 1;
uint32_t vi4 = v4 - start;
TO_CLIP[CLIP_COUNT].vertex[0] = *v3; TO_CLIP[CLIP_COUNT].vertex[0] = *v3;
TO_CLIP[CLIP_COUNT].vertex[1] = *v2; TO_CLIP[CLIP_COUNT].vertex[1] = *v2;

5
GL/flush.c
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@ -24,6 +24,7 @@ static void pvr_list_submit(void *src, int n) {
/* fill/write queues as many times necessary */ /* fill/write queues as many times necessary */
while(n--) { while(n--) {
__asm__("pref @%0" : : "r"(s + STRIDE)); /* prefetch 64 bytes for next loop */ __asm__("pref @%0" : : "r"(s + STRIDE)); /* prefetch 64 bytes for next loop */
if(*s != DEAD) {
d[0] = *(s++); d[0] = *(s++);
d[1] = *(s++); d[1] = *(s++);
d[2] = *(s++); d[2] = *(s++);
@ -32,9 +33,13 @@ static void pvr_list_submit(void *src, int n) {
d[5] = *(s++); d[5] = *(s++);
d[6] = *(s++); d[6] = *(s++);
d[7] = *(s++); d[7] = *(s++);
__asm__("pref @%0" : : "r"(d)); __asm__("pref @%0" : : "r"(d));
d += 8; d += 8;
s += (STRIDE - 8); s += (STRIDE - 8);
} else {
s += 16;
}
} }
/* Wait for both store queues to complete */ /* Wait for both store queues to complete */

2
GL/private.h
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@ -192,6 +192,8 @@ typedef struct {
GLfloat specularMaterial[4]; GLfloat specularMaterial[4];
} LightSource; } LightSource;
#define DEAD 0xDEADBEEF
typedef struct { typedef struct {
/* Same 32 byte layout as pvr_vertex_t */ /* Same 32 byte layout as pvr_vertex_t */
uint32_t flags; uint32_t flags;