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- Log -----------------------------------------------------------------
commit 8a4be75e53e7520ff558df1e2b2736db0f4abbb4
Author: Falco Girgis <gyr...@gm...>
Date: Fri Apr 19 23:23:17 2024 -0500
Fixed KGL SQ Usage (#2)
* Fix for broken SQ usage by KGL
* Fixes for -m4-single
1) double-precision floating point constants -> single-precision
2) used KOS's macros for FP argument order to inline ASM
-----------------------------------------------------------------------
Summary of changes:
gl-pvr.c | 49 ++-----------------------------------------------
gl-pvr.h | 3 ---
gl-sh4.h | 20 ++++++++++++--------
3 files changed, 14 insertions(+), 58 deletions(-)
diff --git a/gl-pvr.c b/gl-pvr.c
index 1d13460..af6fe65 100644
--- a/gl-pvr.c
+++ b/gl-pvr.c
@@ -53,53 +53,8 @@ static GLuint GL_VERTS[2] = {0, 0},
static GL_MULTITEX_OBJECT GL_MTOBJS[GL_KOS_MAX_MULTITEXTURE_OBJECTS];
static GLuint GL_MTOBJECTS = 0;
-#if 0
-/* Custom version of sq_cpy from KOS for copying vertex data to the PVR */
-static inline void pvr_list_submit(void *src, int n) {
- GLuint *d = TA_SQ_ADDR;
- GLuint *s = src;
-
- /* fill/write queues as many times necessary */
- while(n--) {
- asm("pref @%0" : : "r"(s + 8)); /* prefetch 32 bytes for next loop */
- d[0] = *(s++);
- d[1] = *(s++);
- d[2] = *(s++);
- d[3] = *(s++);
- d[4] = *(s++);
- d[5] = *(s++);
- d[6] = *(s++);
- d[7] = *(s++);
- asm("pref @%0" : : "r"(d));
- d += 8;
- }
-
- /* Wait for both store queues to complete */
- d = (GLuint *)0xe0000000;
- d[0] = d[8] = 0;
-}
-
-/* Custom version of sq_cpy from KOS for copying 32bytes of vertex data to the PVR */
-static inline void pvr_hdr_submit(const GLuint *src) {
- GLuint *d = TA_SQ_ADDR;
-
- d[0] = *(src++);
- d[1] = *(src++);
- d[2] = *(src++);
- d[3] = *(src++);
- d[4] = *(src++);
- d[5] = *(src++);
- d[6] = *(src++);
- d[7] = *(src++);
-
- asm("pref @%0" : : "r"(d));
-}
-#else
-
-#define pvr_list_submit(src, n) sq_cpy(TA_SQ_ADDR, (src), ((n) << 5))
-#define pvr_hdr_submit(src) sq_cpy(TA_SQ_ADDR, (src), 32)
-
-#endif
+#define pvr_list_submit(src, n) pvr_sq_load(NULL, (src), ((n) << 5), PVR_DMA_TA)
+#define pvr_hdr_submit(src) pvr_sq_load(NULL, (src), 32, PVR_DMA_TA)
inline void _glKosPushMultiTexObject(GL_TEXTURE_OBJECT *tex,
pvr_vertex_t *src,
diff --git a/gl-pvr.h b/gl-pvr.h
index 5348d04..12f952a 100644
--- a/gl-pvr.h
+++ b/gl-pvr.h
@@ -34,9 +34,6 @@ typedef struct {
//#define GL_USE_FLOAT 0 /* Use PVR's floating-point color Vertex Type (64bit) *NoOp* */
/* Misc SH4->PVR Commands */
-#define TA_SQ_ADDR (unsigned int *)(void *) \
- (0xe0000000 | (((unsigned long)0x10000000) & 0x03ffffe0))
-
#define QACRTA ((((unsigned int)0x10000000)>>26)<<2)&0x1c
#define PVR_TA_TXR_FILTER_SHIFT 14
diff --git a/gl-sh4.h b/gl-sh4.h
index 488effd..a669995 100644
--- a/gl-sh4.h
+++ b/gl-sh4.h
@@ -9,14 +9,18 @@
#ifndef GL_SH4_H
#define GL_SH4_H
+#include <arch/args.h>
+
+#define GL_KOS_USE_DMA 1
+
typedef float vector3f[3]; /* 3 float vector */
typedef float matrix4f[4][4]; /* 4x4 float matrix */
/* DEG2RAD - convert Degrees to Radians = PI / 180.0f */
-#define DEG2RAD (0.01745329251994329576923690768489)
+#define DEG2RAD (0.01745329251994329576923690768489f)
/* Calculate Spot Light Angle Cosine = (PI / 180.0f) * (n / 2) */
-#define LCOS(n) fcos(n*0.00872664625997164788461845384244)
+#define LCOS(n) fcos(n*0.00872664625997164788461845384244f)
/* Internal GL API macro */
#define mat_trans_fv12() { \
@@ -50,10 +54,10 @@ typedef float matrix4f[4][4]; /* 4x4 float matrix */
}
#define mat_trans_texture4(s, t, r, q) { \
- register float __s __asm__("fr4") = (s); \
- register float __t __asm__("fr5") = (t); \
- register float __r __asm__("fr6") = (r); \
- register float __q __asm__("fr7") = (q); \
+ register float __s __asm__(KOS_FPARG(0)) = (s); \
+ register float __t __asm__(KOS_FPARG(1)) = (t); \
+ register float __r __asm__(KOS_FPARG(2)) = (r); \
+ register float __q __asm__(KOS_FPARG(3)) = (q); \
__asm__ __volatile__( \
"ftrv xmtrx,fv4\n" \
"fldi1 fr6\n" \
@@ -67,8 +71,8 @@ typedef float matrix4f[4][4]; /* 4x4 float matrix */
}
#define mat_trans_texture2_nomod(s, t, so, to) { \
- register float __s __asm__("fr4") = (s); \
- register float __t __asm__("fr5") = (t); \
+ register float __s __asm__(KOS_FPARG(0)) = (s); \
+ register float __t __asm__(KOS_FPARG(1)) = (t); \
__asm__ __volatile__( \
"fldi0 fr6\n" \
"fldi1 fr7\n" \
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