From 9eb310afc4a96304b47d4897c58ca3bb733362a9 Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sun, 27 May 2018 14:46:02 +0200
Subject: Add missing draw columns features

---
 harddoomdev.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 6 deletions(-)

(limited to 'harddoomdev.c')

diff --git a/harddoomdev.c b/harddoomdev.c
index c4489aa..067293e 100644
--- a/harddoomdev.c
+++ b/harddoomdev.c
@@ -149,6 +149,22 @@ void set_flat(struct doom_data *doom_data, dma_addr_t flat_dev)
 	}
 }
 
+void set_colormap(struct doom_data *doom_data, dma_addr_t colors_dev)
+{
+	if (doom_data->colors_addr != colors_dev) {
+		doom_data->colors_addr = colors_dev;
+		send_command(doom_data, HARDDOOM_CMD_COLORMAP_ADDR(colors_dev));
+	}
+}
+
+void set_trans(struct doom_data *doom_data, dma_addr_t colors_dev)
+{
+	if (doom_data->trans_addr != colors_dev) {
+		doom_data->trans_addr = colors_dev;
+		send_command(doom_data, HARDDOOM_CMD_TRANSLATION_ADDR(colors_dev));
+	}
+}
+
 void set_ustart(struct doom_data *doom_data, uint32_t ustart)
 {
 	send_command(doom_data, HARDDOOM_CMD_USTART(ustart));
@@ -211,17 +227,35 @@ void copy_rect(struct surface_data *dst_data, struct surface_data *src_data,
 }
 
 void draw_column(struct surface_data *surface_data,
-		struct texture_data *texture_data, struct doomdev_column column)
+		struct texture_data *texture_data, struct doomdev_column column,
+		struct colors_data *colors_data, struct colors_data *trans_data,
+		uint8_t flags, uint8_t trans_idx)
 {
 	set_surf_dst_pt(surface_data->doom_data, surface_data->page_table_dev);
 	set_surf_dims(surface_data->doom_data, surface_data->width, surface_data->height);
-	set_texture_pt(surface_data->doom_data, texture_data->page_table_dev);
-	set_texture_dims(surface_data->doom_data, texture_data->size, texture_data->height);
+	set_draw_params(surface_data->doom_data, flags);
 	set_xy_a(surface_data->doom_data, column.x, column.y1);
 	set_xy_b(surface_data->doom_data, column.x, column.y2);
-	set_ustart(surface_data->doom_data, column.ustart);
-	set_ustep(surface_data->doom_data, column.ustep);
-	set_draw_params(surface_data->doom_data, 0);
+
+	if (!(flags & HARDDOOM_DRAW_PARAMS_FUZZ)) {
+		set_texture_pt(surface_data->doom_data,
+				texture_data->page_table_dev);
+		set_texture_dims(surface_data->doom_data,
+				texture_data->size, texture_data->height);
+		set_ustart(surface_data->doom_data, column.ustart);
+		set_ustep(surface_data->doom_data, column.ustep);
+	}
+
+	if (flags & HARDDOOM_DRAW_PARAMS_FUZZ ||
+			flags & HARDDOOM_DRAW_PARAMS_COLORMAP) {
+		set_colormap(surface_data->doom_data, colors_data->colors_dev +
+				HARDDOOM_COLORMAP_SIZE * column.colormap_idx);
+	}
+
+	if (flags & HARDDOOM_DRAW_PARAMS_TRANSLATE) {
+		set_trans(surface_data->doom_data, trans_data->colors_dev +
+				HARDDOOM_COLORMAP_SIZE * trans_idx);
+	}
 
 	send_command(surface_data->doom_data,
 			HARDDOOM_CMD_DRAW_COLUMN(column.texture_offset));
@@ -284,6 +318,15 @@ void start_dev(struct pci_dev *dev)
 	doomdev_write(iomem, HARDDOOM_INTR_ENABLE, HARDDOOM_INTR_MASK);
 	doomdev_write(iomem, HARDDOOM_ENABLE,
 			HARDDOOM_ENABLE_ALL ^ HARDDOOM_ENABLE_FETCH_CMD);
+
+	set_surf_dst_pt(data, 0);
+	set_surf_src_pt(data, 0);
+	set_texture_pt(data, 0);
+	set_flat(data, 0);
+	set_colormap(data, 0);
+	set_surf_dims(data, 0, 0);
+	set_texture_dims(data, 0, 0);
+	set_draw_params(data, 0);
 }
 
 void shutdown_dev(struct pci_dev *dev)
-- 
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