diff options
Diffstat (limited to 'plugins/gpu_neon/psx_gpu/psx_gpu.c')
| -rw-r--r-- | plugins/gpu_neon/psx_gpu/psx_gpu.c | 53 |
1 files changed, 39 insertions, 14 deletions
diff --git a/plugins/gpu_neon/psx_gpu/psx_gpu.c b/plugins/gpu_neon/psx_gpu/psx_gpu.c index 98aacc3..0c1c78d 100644 --- a/plugins/gpu_neon/psx_gpu/psx_gpu.c +++ b/plugins/gpu_neon/psx_gpu/psx_gpu.c @@ -47,7 +47,8 @@ u32 zero_block_spans = 0; u32 texture_cache_loads = 0; u32 false_modulated_blocks = 0; -u32 reciprocal_table[512]; +/* double size for enhancement */ +u32 reciprocal_table[512 * 2]; typedef s32 fixed_type; @@ -1872,7 +1873,7 @@ void setup_blocks_##shading##_##texturing##_##dithering##_##sw##_##target( \ if(span_num_blocks) \ { \ y = span_edge_data->y; \ - fb_ptr = psx_gpu->vram_ptr + span_edge_data->left_x + (y * 1024); \ + fb_ptr = psx_gpu->vram_out_ptr + span_edge_data->left_x + (y * 1024); \ \ setup_blocks_span_initialize_##shading##_##texturing(); \ setup_blocks_span_initialize_##dithering(texturing); \ @@ -2905,8 +2906,8 @@ char *render_block_flag_strings[] = (triangle_y_direction_##direction_c << 4) | \ (triangle_winding_##winding << 6)) \ -void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, - u32 flags) +static int prepare_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, + vertex_struct *vertexes_out[3]) { s32 y_top, y_bottom; s32 triangle_area; @@ -2927,7 +2928,7 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, #ifdef PROFILE trivial_rejects++; #endif - return; + return 0; } if(b->y < a->y) @@ -2949,7 +2950,7 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, #ifdef PROFILE trivial_rejects++; #endif - return; + return 0; } if(triangle_area < 0) @@ -2975,7 +2976,7 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, #ifdef PROFILE trivial_rejects++; #endif - return; + return 0; } if(invalidate_texture_cache_region_viewport(psx_gpu, a->x, y_top, c->x, @@ -2984,13 +2985,28 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, #ifdef PROFILE trivial_rejects++; #endif - return; + return 0; } - psx_gpu->num_spans = 0; psx_gpu->triangle_area = triangle_area; psx_gpu->triangle_winding = triangle_winding; + vertexes_out[0] = a; + vertexes_out[1] = b; + vertexes_out[2] = c; + + return 1; +} + +static void render_triangle_p(psx_gpu_struct *psx_gpu, + vertex_struct *vertex_ptrs[3], u32 flags) +{ + psx_gpu->num_spans = 0; + + vertex_struct *a = vertex_ptrs[0]; + vertex_struct *b = vertex_ptrs[1]; + vertex_struct *c = vertex_ptrs[2]; + s32 y_delta_a = b->y - a->y; s32 y_delta_b = c->y - b->y; s32 y_delta_c = c->y - a->y; @@ -3002,7 +3018,7 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, compute_all_gradients(psx_gpu, a, b, c); switch(y_direction_a | (y_direction_b << 2) | (y_direction_c << 4) | - (triangle_winding << 6)) + (psx_gpu->triangle_winding << 6)) { triangle_case(up, up, up, negative): triangle_case(up, up, flat, negative): @@ -3126,6 +3142,14 @@ void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, (psx_gpu); } +void render_triangle(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, + u32 flags) +{ + vertex_struct *vertex_ptrs[3]; + if (prepare_triangle(psx_gpu, vertexes, vertex_ptrs)) + render_triangle_p(psx_gpu, vertex_ptrs, flags); +} + void texture_sprite_blocks_8bpp(psx_gpu_struct *psx_gpu); @@ -4245,7 +4269,7 @@ void render_line(psx_gpu_struct *psx_gpu, vertex_struct *vertexes, u32 flags, flags &= ~RENDER_FLAGS_TEXTURE_MAP; - vram_ptr = psx_gpu->vram_ptr + (y_a * 1024) + x_a; + vram_ptr = psx_gpu->vram_out_ptr + (y_a * 1024) + x_a; control_mask = 0x0; @@ -4435,7 +4459,6 @@ void render_block_fill(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y, if((width == 0) || (height == 0)) return; - flush_render_block_buffer(psx_gpu); invalidate_texture_cache_region(psx_gpu, x, y, x + width - 1, y + height - 1); u32 r = color & 0xFF; @@ -4445,7 +4468,7 @@ void render_block_fill(psx_gpu_struct *psx_gpu, u32 color, u32 x, u32 y, psx_gpu->mask_msb; u32 color_32bpp = color_16bpp | (color_16bpp << 16); - u32 *vram_ptr = (u32 *)(psx_gpu->vram_ptr + x + (y * 1024)); + u32 *vram_ptr = (u32 *)(psx_gpu->vram_out_ptr + x + (y * 1024)); u32 pitch = 512 - (width / 2); u32 num_width; @@ -4522,7 +4545,8 @@ void initialize_reciprocal_table(void) u32 height_reciprocal; s32 shift; - for(height = 1; height < 512; height++) + for(height = 1; height < sizeof(reciprocal_table) + / sizeof(reciprocal_table[0]); height++) { shift = __builtin_clz(height); height_normalized = height << shift; @@ -4561,6 +4585,7 @@ void initialize_psx_gpu(psx_gpu_struct *psx_gpu, u16 *vram) psx_gpu->num_blocks = 0; psx_gpu->vram_ptr = vram; + psx_gpu->vram_out_ptr = vram; psx_gpu->texture_page_base = psx_gpu->vram_ptr; psx_gpu->texture_page_ptr = psx_gpu->vram_ptr; |