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nv2a: Handle alignment padding between cubemap faces

This commit is contained in:
Matt Borgerson 2020-09-05 15:34:43 -07:00 committed by mborgerson
parent 6152b3688b
commit bb0fdef251
2 changed files with 19 additions and 2 deletions
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19
hw/xbox/nv2a/nv2a_pgraph.c
View File

@ -3822,6 +3822,7 @@ static void pgraph_bind_textures(NV2AState *d)
}
if (cubemap) {
assert(dimensionality == 2);
length = (length + NV2A_CUBEMAP_FACE_ALIGNMENT - 1) & ~(NV2A_CUBEMAP_FACE_ALIGNMENT - 1);
length *= 6;
}
if (dimensionality >= 3) {
@ -4414,16 +4415,30 @@ static TextureBinding* generate_texture(const TextureShape s,
if (gl_target == GL_TEXTURE_CUBE_MAP) {
ColorFormatInfo f = kelvin_color_format_map[s.color_format];
unsigned int block_size;
if (f.gl_internal_format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
block_size = 8;
} else {
block_size = 16;
}
size_t length = 0;
unsigned int w = s.width, h = s.height;
int level;
for (level = 0; level < s.levels; level++) {
/* FIXME: This is wrong for compressed textures and textures with 1x? non-square mipmaps */
length += w * h * f.bytes_per_pixel;
if (f.gl_format == 0) {
length += w/4 * h/4 * block_size;
} else {
length += w * h * f.bytes_per_pixel;
}
w /= 2;
h /= 2;
}
length = (length + NV2A_CUBEMAP_FACE_ALIGNMENT - 1) & ~(NV2A_CUBEMAP_FACE_ALIGNMENT - 1);
upload_gl_texture(GL_TEXTURE_CUBE_MAP_POSITIVE_X,
s, texture_data + 0 * length, palette_data);
upload_gl_texture(GL_TEXTURE_CUBE_MAP_NEGATIVE_X,

2
hw/xbox/nv2a/nv2a_regs.h
View File

@ -1337,4 +1337,6 @@
#define NV2A_LTCTXB_COUNT 52
#define NV2A_LTC1_COUNT 20
#define NV2A_CUBEMAP_FACE_ALIGNMENT 128
#endif